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State of the Nation - Reservoir Engineering - Reservoir

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State of the Nation - Reservoir Engineering - Reservoir Powered By Docstoc
					  Nov-09
NOTES:

           The papers listed here have been obtained by search SPE and IPTC papers post 2005 on the SPE's OnePetro
           The papers relating to reservoir engineering have been catergorised for inclusion on the   reservoirengineering.org.uk website
           The affiiations searched were;

                                                                    Total No Papers     Reservoir Engineering Related
                      BP                                                   551                      175
                      Shell                                                575                      279
                      Chevron                                              482                      238
                      ConocoPhillips                                       191                       68
                      Marathon                                             55                        37
                      Total                                                255                      129
                      Schlumberger                                        1130                      563
                      Imperial College, London                             95                        53
                      Heriot Watt University, Edinburgh                    235                      175
                      (Anywhere in Article)
                                                      Total               3569                          1717



                      Total number of papers published post 2005 =             10,000

                                                                   35% of papers published categorised
                                Paper
Organisation             Source No.             Chapter                       Section
BP                         SPE   113542      State of the Nation              4D Seismic
BP                        IPTC    11757      State of the Nation         BP's 4D Seismic Story
BP                         SPE   113652      State of the Nation       BP's Subsea Developments


CHEVRON                   SPE    116758      State of the Nation            Decision Making

CHEVRON                   SPE    113011      State of the Nation            Development
SHELL                     SPE    111478      State of the Nation            Digital Fields
SCHLUMBERGER              SPE    115712      State of the Nation           EOR Techniques

CHEVRON                   SPE    109670      State of the Nation            Flow Assurance
Heriot Watt University    SPE    112474      State of the Nation        Frac Pack Scale Inhibitor
TOTAL                     SPE    107699      State of the Nation             Frac-Packing




CHEVRON                   SPE    98746       State of the Nation          Fracture Diagnostics


CHEVRON                   SPE     83995      State of the Nation             Gravel Packing
SHELL                     SPE     83995      State of the Nation             Gravel Packing
Heriot Watt University    SPE    112126      State of the Nation         Horizontal Well Testing


CHEVRON                    SPE   116580      State of the Nation           Inflow Performance
CHEVRON                    SPE               State of the Nation      Produced Water Management
CONOCO                     SPE   100607      State of the Nation          Province Comparison
SCHLUMBERGER               SPE   100607      State of the Nation          Province Comparison
BP                         SPE   104370      State of the Nation          Russian FDP process
SHELL                     IPTC    11398      State of the Nation                Sour Gas
SHELL                      SPE   103275      State of the Nation                Stimulation
BP                         SPE   108477      State of the Nation           UK RE Resourcing
CONOCO                     SPE   103775      State of the Nation       Unconventional Reservoirs
SHELL                      SPE   118735      State of the Nation        Waterflood Management
Heriot Watt University     SPE   101310      State of the Nation             Well Intervention
SHELL                      SPE   112854             CO2                     State of the Nation
CHEVRON                   IPTC    12426          Heavy Oil                  State of the Nation
SCHLUMBERGER               SPE   103514   Unconventional Reservoirs         State of the Nation
SCHLUMBERGER               SPE    90383      Well Deliverability            State of the Nation
SCHLUMBERGER               SPE   103040         Well Testing                State of the Nation
Imperial College           SPE   100136         Well Testing                State of the Nation

Imperial College          SPE    102079         Well Testing               State of the Nation
Distinguished Author      SPE     89175          EOR/IOR                   State of the Nation
Distinguished Author      SPE    103775   Unconventional Reservoirs        State of the Nation
Distinguished Author      SPE    103514   Unconventional Reservoirs        State of the Nation
SCHLUMBERGER              SPE     98746      Well Deliverability          Fracture Diagnostics
SHELL                  SPE   98746      Well Deliverability    Fracture Diagnostics
Distinguished Author   SPE   91787         EOR/IOR              Polymer Flooding
Distinguished Author   SPE   89177    Reservoir Description     NMR Interpretation
Distinguished Author   SPE   79390   Reservoir Management     Production Automation
Distinguished Author   SPE   89033   Reservoir Management       Virtual Intelligence
Distinguished Author   SPE   57907     Reservoir Modelling          Simulation
Distinguished Author   SPE   97719     Reservoir Modelling        Steamflooding
Distinguished Author   SPE   65604     Reservoir Modelling          Streamline
Distinguished Author   SPE   74689        Surveillance         Multiphase Metering
               Subject




                 Review

            Deepwater - GOM

                 Russia

               Deepwater




                Clean-up


             Horizontal Wells
             Horizontal wells
              North Africa


                Analytical

       UKCS vs Alaska North Slope
       UKCS vs Alaska North Slope


               Asia Pacific

                   China
             Deepwater - GOM
               Zonal Isolation
                  Storage
         Carbonates - Middle East
     Petroleum Engineering Advances
               Acid treatment
Advances in Interpretation and Measurement
           Analysis Approaches

        Evolution of Deconvolution
                  China
                  China

            State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
State of the Nation
                                              Title
Lessons Learnt from over 20 Years of 4-D Deployment
The BP 4-D Story: Experience Over The Last 10 Years And Current Trends
BP's Subsea Developments: Past Successes and Future Challenges


Bridging the Gap Between Real-Time Optimization and Information-Based Technologies

Deepwater Gulf of Mexico Development Challenges Overview
Back to the Future—A Retrospective on 40 Years of Digital Oil Field Experience
Current Status of Enhanced Recovery Techniques in the Fields of Russia

Flow Assurance Challenges in Deepwater Gas Developments
A History of Frac-Pack Scale-Inhibitor Deployment
Pushing the Limits of Frac-Pack Operating Envelope




New Findings in Fracture Cleanup Change Common Industry Perceptions


Advances in Horizontal Openhole Gravel Packing
Advances in Horizontal Openhole Gravel Packing
The Future Challenge of Horizontal Well Testing in a North African Field: An Overview of a Decade of Field Practice and Opera


A Comprehensive Comparative Study on Analytical PI/IPR Correlations
The Latest in Ways To Improve Asset Value Through Better Water Management
U.K. North Sea and Alaska North Slope: A Comparative Analysis of Petroleum Provinces
U.K. North Sea and Alaska North Slope: A Comparative Analysis of Petroleum Provinces
Recent Approach to Full Field Comprehensive Reservoir Development Design
Contaminated Gas—Past, Present and Future
Stimulation in Asia Pacific Region - Challenges and Opportunities
Well, It's Good To Be an Engineer!
Will the Blossom of Unconventional Natural Gas Development in North America Be Repeated in China?
Challenges for Waterflooding in a Deepwater Environment
Zonal Isolation Modeling and Measurements—Past Myths and Today's Realities
CO2 Geological Storage Field Development: Initial Experiences in an Emerging Industry
An Overview of Heavy and Extra Heavy Oil Carbonate Reservoirs in the Middle East
Coalbed- and Shale-Gas Reservoirs
Lessons Learned From Using Viscoelastic Surfactants in Well Stimulation
A Digital Pressure Derivative Technique for Pressure Transient Well Testing and Reservoir Characterization
New Approaches in Well Testing

From Straight Lines to Deconvolution: The Evolution of the State of the Art in Well Test Analysis
Advances in Polymer Flooding and Alkaline/Surfactant/Polymer Processes as Developed and Applied in the People’s Rep
Will the Blossom of Unconventional Natural Gas Development in North America Be Repeated in China?
Coalbed- and Shale-Gas Reservoirs
New Findings in Fracture Cleanup Change Common Industry Perceptions
New Findings in Fracture Cleanup Change Common Industry Perceptions
Field-scale Polymer Flooding: Lessons Learned and Experiences Gained During Past 40 Years
Advances in NMR Logging
Production Automation in the 21st Century: Opportunities for Production Optimization and Remote Unattended Operations
Recent Developments in Application of Artificial Intelligence in Petroleum Engineering
Megacell Reservoir Simulation
New Developments in Steamflood Modeling
Streamline Simulation: A Technology Update (includes associated papers 71204 and 71764 )
Multiphase Flow Metering: Current Trends and Future Developments
                                Author                                      Abstract
Dave G. Foster, BP                                                           Abstract This paper reflects back on the major tren
Dave G. Foster, BP                                                           Abstract For more than a decade BP has been de
Fikry Botros, Cornelia Noel, David Brookes, Robert Perry BP, E&P             Abstract BP’s successful track record in subse
Michael Brul�, Technomation; Yanni Charalambous, Oxy; Mark L.
Crawford, ExxonMobil Global Services Company; and Charles Crawley,
Chevron                                                                      Abstract For the past several years the problem o
Frank Close, Bob McCavitt, and Brian Smith, Chevron North America E&P
Company                                                                      Abstract Chevron's role as a major player in the gl
Ron Cramer, Shell Global Solutions International B.V.                        Abstract Digital Oil Field Computer Assisted Oper
                                                                             Abstract “SCR Rosnedra
A.N. Shandrygin, SPE, Schlumberger, and A. Lutfullin, State Commission Resources Russia is one of the main oil producing co
Richard Kopps, Rama Venkatesan, Jeff Creek, and Alberto Montesi,
Chevron Energy Technology Company                                            Abstract The Flow Assurance strategy is crucial in
Aine M. Fitzgerald and Laurence G. Cowie, BP                                 Abstract In recent years BP has moved into reserv
J.N. Furgier, F. Lavoix, and F. Lemesnager, Total                            Abstract Requirements for Frac-Packing long inter
J.A. Ayoub, SPE, and R.D. Hutchins, SPE, Schlumberger; F. van der Bas,
SPE, Shell; S. Cobianco, SPE, and C.N. Emiliani, SPE, Eni; M. Glover,
SPE, BP America Inc.; M. K�hler, SPE, Gaz de France; S. Marino,
SPE, Schlumberger; G. Nitters, SPE, Shell; D. Norman, SPE, Chevron
Corp.; and G. Turk, SPE, BP America Inc.                                     Abstract This paper summarizes part of the resul
Syed Ali, SPE, Chevron Energy Technology Co., Tommy Grigsby, SPE,
and Sanjay Vitthal,* SPE, Halliburton Energy Services Inc. *Currently with
Shell Corp.                                                                  Summary Technological advancement in horizont
                                                                              Sanjay Vitthal,* SPE, Halliburton Energy Services
Syed Ali, SPE, Chevron Energy Technology Co., Tommy Grigsby, SPE, and Summary Technological advancement in horizont
                                                                             Abstract Projected increases in Algerian hydrocarb
Salim Bachiri, Sonatach, Ahmed Dahroug, SPE, Schlumberger, and S.Y. Zheng, SPE, Heriott Watt University
Suk Kyoon Choi, SPE, The University of Texas at Austin, and Liang-Biao
Ouyang, SPE, and Wann-Sheng (Bill) Huang, SPE, Chevron Energy
Technology Company                                                           Abstract Inflow performance is one of the significan
Steven K. Cheung, Chevron Energy Technology Co.                              Abstract Many wells and reservoirs are premature
                                                                             Abstract Consulting Services; and T. the SPE,
J.A. Walker, SPE, ConocoPhillips Alaska Inc.; D.O. Ogbe, SPE, Schlumberger Data &Alaska’s North Slope andZhu, United
                                                                             Abstract Consulting Services; and T. the SPE,
J.A. Walker, SPE, ConocoPhillips Alaska Inc.; D.O. Ogbe, SPE, Schlumberger Data &Alaska’s North Slope andZhu, United
Timur F. Manapov, SPE, TNK-BP                                                Abstract The article covers the main problems rela
                                                                             Abstract In an age where there is increasing conce
E.J. Puik and C. Braithwaite, Shell International Exploration and Production BV
L. Jin, SPE, and M. Seah, Shell Intl. E&P                                    Abstract Oil and gas assets in Shell Asia Pacific re
S.J. Sawaryn, SPE, K. Farley, S. Gay, SPE, and M. Banks, SPE, BP Exploration Abstract Over the last couple of years both the glo
Hongjie Xiong, Burlington Resources, and Stephen A. Holditch, Texas A&M U.   Abstract There are substantial volumes of unconve
                                                                             Summary Kuijvenhoven, Lee Morgenthaler, Mex
Azhar Al-Kindi, SPE, Shell; Robert Prince-Wright, RISKbytes Inc.; and John Walsh, CorBig reservoirs in deepwater Gulf ofand W
Simon James, SPE, and Linda Boukhelifa, SPE, Schlumberger                    Summary Over the past 10 years several papers
                                                                             Abstract Global climate change induced by the rele
N.J. Jenvey, SPE, R.S. Moen, N. Muller, Shell International Exploration and Production; J. Buehler, Shell Global Solutions U.S.
John W. Buza, SPE, Chevron Corporation                                       Abstract Global heavy oil resources in carbonate
                                                                             Distinguished Author Series articles are general d
Creties D. Jenkins, SPE, DeGolyer and MacNaughton, and Charles M. Boyer II, SPE, Schlumberger
                                                                             Summary Well Services
Hisham A. Nasr-El-Din, SPE, Saudi Aramco, and Mathew Samuel, SPE, Schlumberger Viscoelastic surfactant systems are use
A.F. Veneruso, SPE, and J. Spath, SPE, Schlumberger                          Abstract The pressure derivative has become the
                                                                               and O.V. Bradulina, Inst. of the Russian Academy
S.N. Zakirov, I.M. Indrupskiy, E.S. Zakirov, SPE, D.P. Anikeev, A.I. Tarasov,Abstract Modern methodology of well testing is th

A.C. Gringarten, Imperial C.                                             Abstract Well test analysis has been used for man
                                                                         Paper includes discussion and reply published in M
H.L. Chang, SPE, Intratech Inc.; Z.Q. Zhang, PetroChina; Q.M. Wang, Z.S. Xu, and Z.D. Guo, SPE, Daqing Oilfield Co. Ltd., P
                                                                         Abstract There are substantial volumes of unconve
Hongjie Xiong, Burlington Resources, and Stephen A. Holditch, Texas A&M U.
                                                                         Distinguished Author Series articles are general d
Creties D. Jenkins, SPE, DeGolyer and MacNaughton, and Charles M. Boyer II, SPE, Schlumberger
                                                                         Abstract S. Cobianco, SPE, and C.N. Emiliani, S
J.A. Ayoub, SPE, and R.D. Hutchins, SPE, Schlumberger; F. van der Bas, SPE, Shell;This paper summarizes part of the resul
                                                                              Abstract S. Cobianco, SPE, and C.N. Emiliani, S
J.A. Ayoub, SPE, and R.D. Hutchins, SPE, Schlumberger; F. van der Bas, SPE, Shell;This paper summarizes part of the resul
                                                                               University
Y. Du, New Mexico Institute of Mining and Technology; L. Guan, Texas A&MAbstract Early in 1964 Pye and Sandiford establi
Robert Freedman, Schlumberger Oilfield Services                               Distinguished Author Series articles are general d
Cleon L. Dunham, Oilfield Automation Consulting                               Distinguished Author Series articles are general d
Shahab D. Mohaghegh, West Virginia U. and Intelligent Solutions Inc.          Distinguished Author Series articles are general d
Ali H. Dogru, Saudi Arabian Oil Co.                                           Distinguished Author Series articles are general d
                                                                              Abstract
M. Kumar, SPE, C. Satik, SPE, and V. Hoang, SPE, Chevron Energy Technology Co. Using recent results from fine-scale mu
Akhil Datta-Gupta, Texas A&M U.                                               Distinguished Author Series articles are general d
                                                                              Abstract Over the B. decade Enterprise Oil
G. Falcone, Enterprise Oil; G.F. Hewitt, Imperial College; C. Alimonti, U. of Rome La Sapienza; lastHarrison, the development
 eflects back on the major trends successes and lessons learnt of BP's 4-D deployment over the last 20 years and offers insights into the m
 an a decade BP has been deploying a growing range of 4-D seismic technologies and applying these to a variety of reservoir situations. Thi
 ccessful track record in subsea developments dates back to the 1970’s. Since that time BP has developed about 180 subsea wells whic


  several years the problem of reducing time-to-decision in field operations and capital projects has been repeatedly described and analyzed

 ole as a major player in the global energy arena is due in large part to the Company’s extensive oil and gas exploration and production o
 ield Computer Assisted Operations Smart Fields and iFields are some of the names coined by different E&P Companies for processes that
 e of the main oil producing country in the world with very long history of the oil industry. In one's time in former Soviet Union a lot of attention

 ssurance strategy is crucial in the early stages of development of subsea gas fields.� The key questions in early development are an optim
 ars BP has moved into reservoirs in deep water subsea projects where sea water flooding is required for reserves recovery. The introduction
 ts for Frac-Packing long intervals in highly deviated wells are more and more frequent in many new projects. Although frac packing is a matu




  summarizes part of the results of an investigation of fracture clean-up mechanisms undertaken under a Joint Industry Project active since th


  ical advancement in horizontal drilling and openhole completing techniques for soft-rock formations finally has bridged the gap between the
  ical advancement in horizontal drilling and openhole completing techniques for soft-rock formations finally has bridged the gap between the
 creases in Algerian hydrocarbon production will come in part from more complex reservoirs. In Algeria conventional quality reservoirs (>1 m


  mance is one of the significant components to quantify the reservoir’s capability to produce hydrocarbon. There are two commonly-used
 and reservoirs are prematurely abandoned due to excess water production resulting in lost production and recovery.� We need ways to d
™s North Slope and the United Kingdom North Sea were petroleum frontiers in the truest sense around 1960 when industry gained access to
™s North Slope and the United Kingdom North Sea were petroleum frontiers in the truest sense around 1960 when industry gained access to
 covers the main problems related to oil field designing process in Russia. Contemporary field development is characterized with new effective
here there is increasing concern for safety and the environment why is there such interest in developing gas resources contaminated with hig
  assets in Shell Asia Pacific region formulate challenges and opportunities for improving well productivity through stimulation. Major factors li
st couple of years both the global and UK oil and gas industries have grown to meet demand. Prices have increased and less accessible oil
ubstantial volumes of unconventional gas resources in China including tight gas sands and coal bed methane (CBM). Rapid economic growt
 oirs in deepwater Gulf of Mexico (GOM) typically produce at world-class rates. The scale of investment is likewise world class. The energy in
  ast 10 years several papers have been published discussing the long-term mechanical durability of the cement sheath. The customary proc
  te change induced by the release of greenhouse gases (notably carbon dioxide) into the atmosphere is a topic of considerable discussion ar
avy oil resources in carbonate rocks have been estimated to be on the order of 1.6 trillion barrels1 of which about one-third may occur in the
  Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent deve
 ic surfactant systems are used in the industry for several applications. Initially the application was focused on low-friction and solids-suspens
 re derivative has become the primary interpretation tool for diagnosing well and reservoir behavior. In many situations however the derivative
ethodology of well testing is the result of efforts of many scientists for more than 50 years. It is mainly based on the theory of single-phase flo

  alysis has been used for many years to assess well condition and obtain reservoir parameters. Early interpretation methods (using straight-li
 ssion and reply published in May 2006 JPT. Distinguished Author Series articles are general descriptive representations that summarize t
 ubstantial volumes of unconventional gas resources in China including tight gas sands and coal bed methane (CBM). Rapid economic growt
  Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent deve
  summarizes part of the results of an investigation of fracture clean-up mechanisms undertaken under a Joint Industry Project active since th
 summarizes part of the results of an investigation of fracture clean-up mechanisms undertaken under a Joint Industry Project active since th
64 Pye and Sandiford established the fact that polymer flooding can result in greater oil recovery than the conventional water flooding. Many
 Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent de
 Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent de
 Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent de
 Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent de
nt results from fine-scale multi-pattern geostatistical models of the Kern River field California this paper reviews key issues related to stea
 Series articles are general descriptive representations that summarize the state of the art in an area of technology by describing recent deve
st decade the development evaluation and use of multiphase-flow-metering (MFM) systems have been a major focus for the oil and gas i
 years and offers insights into the main considerations for developing 4-D strategy in emerging areas. Since the early 1990’s BP has b
o a variety of reservoir situations. This paper reviews the macro" view of BP's 4-D experience and offers insights into possible emerging futur
veloped about 180 subsea wells which are producing some 800 000 bpd of oil and gas. These developments have endowed BP with unique


n repeatedly described and analyzed in qualitative and anecdotal terms. In this paper we take an engineering approach to measure and unde

and gas exploration and production operations. A large proportion of the Company’s extensive reserves are located in deepwater locatio
 t E&P Companies for processes that promise to use real time Information Technology to radically change the way the Oil and Gas business
 ormer Soviet Union a lot of attention was paid to oil recovery problems. Unfortunattelly the unfavorable economic climate of the late 1980-s a

ons in early development are an optimal tradeoff between managing risk effectively while ensuring deliverability and keeping CAPEX within a
 r reserves recovery. The introduction of sulfate rich seawater into a reservoir producing a formation brine rich in barium ions significantly incr
 ects. Although frac packing is a mature technology its limits of applicability are not well known and are progressively extended by operationa




a Joint Industry Project active since the year 2002. It is well documented in the literature that hydraulic fractures although successful often


lly has bridged the gap between the drilling and completion disciplines.�The success achieved with openhole gravel packing has created a
lly has bridged the gap between the drilling and completion disciplines.�The success achieved with openhole gravel packing has created a
 conventional quality reservoirs (>1 md) are interbedded with volumetrically significant low permeability sandstones (<1 md)–the ‘tight s


 rbon. There are two commonly-used quantities to represent reservoir inflow performance: productivity index (PI) and inflow performance rela
and recovery.� We need ways to delay water production in new fields and to maximize efficiency in mature producing fields.� This talk
1960 when industry gained access to both areas. Exploration of these two petroleum provinces progressed almost simultaneously with both
1960 when industry gained access to both areas. Exploration of these two petroleum provinces progressed almost simultaneously with both
ent is characterized with new effective technologies and at the same time deterioration of current recoverable reserves structure “ageing
  gas resources contaminated with high concentrations of H2S and CO2? This paper traces the history of contaminated gas production and e
y through stimulation. Major factors limiting the activity in the past include: Various types of reservoirs Mixed success rate Operational diffic
ve increased and less accessible oil and gas accumulations have become economic. Engineering skills critically underpin this work. There
 thane (CBM). Rapid economic growth in China has increased the demand for more sources of clean energy such as natural gas from uncon
 s likewise world class. The energy industry's drive to invest in enhanced oil recovery from deepwater basins is sustainable in a world of vola
  cement sheath. The customary procedure is to use a model to predict potential failure scenarios and to subsequently design a sealant mate
 a topic of considerable discussion around the world. Shell believes that this debate is over and instead has entered into a debate about wha
 ich about one-third may occur in the Middle East.� Published resources for specific fields and proprietary databases however suggest a
 technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognized
 ed on low-friction and solids-suspension (fracturing and CT-cleanout) characteristics of the fluid. In the last 4 years the application of viscoe
any situations however the derivative of the measured pressure data is uninterpretable or worse misinterpreted because of various artifacts
ased on the theory of single-phase flow. Few publications consider two-phase flow. However they were also generally reduced to single-pha

erpretation methods (using straight-lines or log-log pressure plots) were limited to the estimation of well performance. With the introduction o
ve representations that summarize the state of the art in an area of technology by describing recent developments for readers who are not s
 thane (CBM). Rapid economic growth in China has increased the demand for more sources of clean energy such as natural gas from uncon
 technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognized
a Joint Industry Project active since the year 2002. It is well documented in the literature that hydraulic fractures although successful often
                                                                                       OnePetro
a Joint Industry Project active since the year 2002. It is well documented in the literature that hydraulic fractures although successful often
he conventional water flooding. Many additional papers sustaining and extending this information have since appeared in the literature. In th
  technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognize
  technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognize
 f technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognize
  technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognize
 er reviews key issues related to steamflood modeling and shows that fine-grid models depict the near-vertical steam override and corrobo
 technology by describing recent developments for readers who are not specialists in the topics discussed. Written by individuals recognized
en a major focus for the oil and gas industry worldwide. Many alternative metering systems have been developed but none can be referred
Since the early 1990’s BP has been developing and deploying 4-D technologies across a range of different environments and reservoir s
 insights into possible emerging future trends giving a wider context to complement other IPTC papers on specific 4-D technologies. BP has
ments have endowed BP with unique knowledge and experience in the development and operation of an eclectic mix of subsea installations w


 ering approach to measure and understand the problem in quantitative and fact-based terms. We first review the mission of the SPE IT Tech

 ves are located in deepwater locations throughout the world. The Company is one of the largest producers of crude oil and natural gas on th
ge the way the Oil and Gas business is run and is so doing enable significant business benefit. The Digital Oil Field(DOF) has been the subje
economic climate of the late 1980-s and economic shocks during the period of well-known events in the country in 1990-s caused the rapidly

 rability and keeping CAPEX within acceptable project economic limits.� The Flow Assurance plan addresses the interaction between prod
 e rich in barium ions significantly increases the potential for barium sulfate scale deposition. This type of scale is not acid soluble unlike the
progressively extended by operational experience. Today it is a common practice to perform Frac-Pack in 65� deviated well over length o




 actures although successful often underperform: Frac and Pack completions exhibit positive skin values and traditional hydraulic fracture


 penhole gravel packing has created a mainstay completion technique that has been used in deepwater developments in Brazil and West Afr
 penhole gravel packing has created a mainstay completion technique that has been used in deepwater developments in Brazil and West Afr
 sandstones (<1 md)–the ‘tight sand’. The challenge has been to develop a programme of work to establish reserves in this sub-mill


ndex (PI) and inflow performance relationship (IPR). Both relate fluid flow rate to pressure difference between bottomhole and reservoir. Muc
mature producing fields.� This talk highlights some of the latest technology in prevention diagnosis mechanical/chemical methods and wi
 sed almost simultaneously with both emerging as significant sources of oil and gas. Both provinces entered the 1960’s with no oil produ
 sed almost simultaneously with both emerging as significant sources of oil and gas. Both provinces entered the 1960’s with no oil produ
 rable reserves structure “ageing of fields. The quality of design documents preparation under these circumstances is a very critical issue
 f contaminated gas production and explores the reasons why it has now become a focus for many countries. The paper also addresses the
Mixed success rate Operational difficulties Cost structure: coil tubing cost overruns the overall stimulation cost Weather conditions. Stimu
   critically underpin this work. There is a general shortage of trained engineers and skills match in the UKCS a problem that is compounded
 ergy such as natural gas from unconventional reservoirs. In the 1980’s in North America the combination of federal tax credits and var
asins is sustainable in a world of volatile oil prices and increasing demand for energy. However project economics will continue to depend on
  subsequently design a sealant material that will not fail under the expected conditions. The predictive models are either analytical or finite-el
 has entered into a debate about what we can do about it. Therefore as part of Shell’s integrated carbon management plan (which include
  tary databases however suggest a more modest STOOIP resource base of approximately 120 BBO.� Owing to its vast light oil reserves
ed. Written by individuals recognized as experts in the area these articles provide key references to more definitive work and present specific
 ast 4 years the application of viscoelastic surfactants was extended to acid-based systems for carbonate stimulation. These surfactants hav
 terpreted because of various artifacts collectively termed noise. While various noise-smoothing techniques have been used there are valid c
  also generally reduced to single-phase inverse problems. During the last several years authors have been developing an alternative trend

 performance. With the introduction of pressure derivative analysis in 1983 and the development of complex interpretation models that are ab
 velopments for readers who are not specialists in the topics discussed. Written by individuals recognized as experts in the area these articl
 ergy such as natural gas from unconventional reservoirs. In the 1980’s in North America the combination of federal tax credits and var
ed. Written by individuals recognized as experts in the area these articles provide key references to more definitive work and present specific
 actures although successful often underperform: Frac and Pack completions exhibit positive skin values and traditional hydraulic fracture
since appeared in the literature. In the past forty years many field-scale polymer flooding projects have been put into production and lots of
 sed. Written by individuals recognized to be experts in the area these articles provide key references to more definitive work and present s
 sed. Written by individuals recognized to be experts in the area these articles provide key references to more definitive work and present s
ssed. Written by individuals recognized to be experts in the area these articles provide key references to more definitive work and present s
 sed. Written by individuals recognized to be experts in the area these articles provide key references to more definitive work and present s
vertical steam override and corroborates that heavy oil steamflooding is not a displacement process; rather the oil drains by gravity. Further
ed. Written by individuals recognized to be experts in the area these articles provide key references to more definitive work and present spec
 eveloped but none can be referred to as generally applicable or universally accurate. Both established and novel technologies suitable to m
 ifferent environments and reservoir situations. Up to the end of 2007 over 115 surveys have been acquired* about 85 operated and 30 non
on specific 4-D technologies. BP has experience in about 80 operated and 30 non-operated surveys* around the world concentrated in the N
 eclectic mix of subsea installations worldwide. The envelope of our existing developments cover water depths exceeding 2500m shut-in pre


eview the mission of the SPE IT Technical Section–Oilfield Integration (SPE ITTS OI) subcommittee. Several contexts of oilfield integration

ers of crude oil and natural gas on the Gulf of Mexico (GoM) shelf and among the top acreage holders in the Gulf's deepwater1 and ultra dee
tal Oil Field(DOF) has been the subject of much publicity and further development over recent years. However there was also much DOF-re
 country in 1990-s caused the rapidly decline of the number of new EOR projects. EOR technologies started to develop in direction of sweep

dresses the interaction between production chemistry and multiphase flow and the resulting effects on operability deliverability and system p
 scale is not acid soluble unlike the carbonate based scales traditionally encountered in many regions. Alkaline based chelants such as ED
 in 65� deviated well over length of less than 100 ft and to achieve good completion efficiency (mechanical skin less than 5). This is possi




ues and traditional hydraulic fracture completions show discrepancies between the placed propped length and the effective production frac


developments in Brazil and West Africa to deliver reliable high-rate well completions. The technology also has been an enabler for heavy-oil
developments in Brazil and West Africa to deliver reliable high-rate well completions. The technology also has been an enabler for heavy-oil
 to establish reserves in this sub-millidarcy resource; on the whole the results of this evaluation programme are positive. The main tight sec


ween bottomhole and reservoir. Much effort has been made on developing the PI or IPR solutions suitable for specific circumstances since D
 echanical/chemical methods and with supporting field case history.� Specific applications for injector producer reservoir-wide and facilit
tered the 1960’s with no oil production but by the end of the 20th century the provinces combined had delivered almost 50 billion barre
tered the 1960’s with no oil production but by the end of the 20th century the provinces combined had delivered almost 50 billion barre
 circumstances is a very critical issue. According to the Russian legislation FDP is the law mandatory for implementation by operating comp
tries. The paper also addresses the significant technical commercial and safety challenges that face developments of contaminated gas fie
on cost Weather conditions. Stimulation activities have been picked up since 2004 with encouraging successes. Among them are success
KCS a problem that is compounded by demographic change and intense competition for existing resources from within our industry and from
bination of federal tax credits and various technical development programs sponsored by private organizations public companies and govern
economics will continue to depend on accurate risk assessment risk-mitigation strategies and more fundamentally progressive deploymen
 odels are either analytical or finite-element models. The analytical models can only be applied to relatively simple situations that require a sim
bon management plan (which includes renewable energy sources and fossil fuel efficiency improvements) we are currently investigating sev
 ½ Owing to its vast light oil reserves documentation in the public domain on Middle Eastern heavy oil accumulations is not complete but eno
 e definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent advances i
 e stimulation. These surfactants have the ability to significantly increase the apparent viscosity and elastic properties of the treating fluids. Th
 es have been used there are valid concerns that smoothing procedures may adversely affect the well-test interpretation. In contrast measu
 been developing an alternative trend in well testing. Its distinctive features are: creation of bi-directional two-phase flow in the near-wellbo

plex interpretation models that are able to account for detailed geological features well test analysis has become a very powerful tool for rese
 d as experts in the area these articles provide key references to more definitive work and present specific details only to illustrate the techn
bination of federal tax credits and various technical development programs sponsored by private organizations public companies and govern
e definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent advances i
ues and traditional hydraulic fracture completions show discrepancies between the placed propped length and the effective production frac
  been put into production and lots of information has been available from which to draw conclusions regarding of lessons learnt and experie
o more definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent adva
o more definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent adva
 o more definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent adva
o more definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent adva
ather the oil drains by gravity. Further models with unconfined boundaries result in steam zone pressures similar to those observed in field.
more definitive work and present specific details only to illustrate the technology. Purpose: to inform the general readership of recent advance
  and novel technologies suitable to measure the flow rates of gas oil and water in three-phase flow are reviewed and assessed within this
 ired* about 85 operated and 30 non-operated. This experience base represents a significant proportion of industry 4-D history and when an
 ound the world concentrated in the North Sea and Gulf-of-Mexico (GOM). Reservoir types surveyed include clastic carbonate and fractured
depths exceeding 2500m shut-in pressures of 1000 bars combined with 135�C temperatures and tied back to all major types of floating h


Several contexts of oilfield integration and their role in Digital Oilfield of the Future (DOFF) initiatives are identified. We discuss the results of

n the Gulf's deepwater1 and ultra deepwater2. Following on from the successes of an aggressive deepwater exploration campaign in the Gul
owever there was also much DOF-related activity over prior decades in which oil companies made their operations’ progressively smart
 rted to develop in direction of sweep efficiency improvement by cheap agents. Nevetheless by now the very intereresting EOR experience ha

perability deliverability and system performance. This paper focuses on two key aspects of the flow assurance plan for subsea gas develop
Alkaline based chelants such as EDTA and DTPA are only effective at removing small accumulations. Mechanical removal is generally con
anical skin less than 5). This is possible with thorough engineering and QA/QC and when accurate well data are available. Over the last five




gth and the effective production fracture length. Ineffective fracture clean-up is often cited as a likely culprit.   The main results presented in


so has been an enabler for heavy-oil developments [American Petroleum Inst. (API) gravity < 20� y > 0.934] in Brazil and the North Sea t
so has been an enabler for heavy-oil developments [American Petroleum Inst. (API) gravity < 20� y > 0.934] in Brazil and the North Sea t
mme are positive. The main tight sections in Hassi Messaoud are of Cambrian age. Grain-rimming chlorite cement within thin intervals locall


ble for specific circumstances since Darcy proposed the simple and useful Darcy’s law in 1856. As a consequence various correlations f
   producer reservoir-wide and facility-related will be communicated. New near-wellbore and reservoir in-depth treatments will be particularly
  had delivered almost 50 billion barrels of oil equivalent to markets in Europe and the United States. Alaska’s North Slope started prod
  had delivered almost 50 billion barrels of oil equivalent to markets in Europe and the United States. Alaska’s North Slope started prod
 r implementation by operating company. However the current state of the quality of design documents and efficiency of the design solutions
evelopments of contaminated gas fields. In many cases fields with high CO2 contamination cannot be developed economically without the in
 uccesses. Among them are successful hydraulic fracture stimulation in STOS and sandstone matrix acid stimulation campaigns in Brunei an
rces from within our industry and from other sectors that recognise the value of the analytical skills offered by engineers. The shortage is bei
 ations public companies and government agencies fostered the development of technology for unconventional natural gas exploration and e
ndamentally progressive deployment of evolving technologies in brownfield deepwater secondary-recovery projects. Details of well geometr
ely simple situations that require a simplified set of input data. In these cases the results are consistent with those of finite-element models. M
ts) we are currently investigating several sites and geologic formations across the globe for their suitability in the long-term storage of CO2 u
ccumulations is not complete but enough information is available to assemble a reasonable picture of the geological setting reservoir and oi
 eral readership of recent advances in various areas of petroleum engineering. Introduction Annual natural-gas production from coalbed- an
 tic properties of the treating fluids. This is because of the ability of surfactant monomers to associate and form rod-shaped micellar structure
est interpretation. In contrast measurements from new pressure gauge systems can now provide the stability and resolution required to char
nal two-phase flow in the near-wellbore region or forced creation of two- or three-phase fluid flow; interpretation of well test results based

 become a very powerful tool for reservoir characterization. A new milestone has been reached recently with the introduction of deconvolutio
cific details only to illustrate the technology. Purpose: to inform the general readership of recent advances in various areas of petroleum eng
ations public companies and government agencies fostered the development of technology for unconventional natural gas exploration and e
eral readership of recent advances in various areas of petroleum engineering. Introduction Annual natural-gas production from coalbed- an
gth and the effective production fracture length. Ineffective fracture clean-up is often cited as a likely culprit. The main results presented in
garding of lessons learnt and experiences gained on field-scale polymer-flooding. The purpose of this paper is to examine the ranges of som
 e general readership of recent advances in various areas of petroleum engineering. Introduction This summary of the state of the art in n
 e general readership of recent advances in various areas of petroleum engineering. Introduction Production automation systems have b
he general readership of recent advances in various areas of petroleum engineering. Abstract With the recent interest and enthusiasm in
 e general readership of recent advances in various areas of petroleum engineering. Summary Reservoir simulation has moved into a n
es similar to those observed in field.�Including the common operating practice of cyclic steaming of producers at early time reduces pres
 eneral readership of recent advances in various areas of petroleum engineering. Introduction Streamline and streamtube methods have be
e reviewed and assessed within this framework. Technologies already implemented in various commercial meters then are evaluated in ter
  of industry 4-D history and when analysed can offer valuable insights into developing future 4-D strategy and tactics for new fields and bas
clude clastic carbonate and fractured under different recovery schemes including depletion secondary water-floods and tertiary EOR schem
 d back to all major types of floating hubs at offset distances of up to 90km. The next wave of deepwater and subsea projects will require the


 identified. We discuss the results of our study and compare the results with those from other studies conducted by the SPE and also by two

 ater exploration campaign in the Gulf of Mexico a series of major discoveries were rapidly appraised and moved to development (Fig. 1). T
 operations’ progressively smarter using a combination of IT instrument engineering telecommunications and change management. Th
very intereresting EOR experience has been accumulated in the country. It is likely that EOR- produced oil in Russia has not already reached

 surance plan for subsea gas developments the strategies for managing hydrates and the wax deposition.� Hydrate management strateg
 Mechanical removal is generally considered to be the only effective removal option for significant sulfate scale deposits in the tubing but is n
 data are available. Over the last five years Frac-Pack operating envelop has been pushed to 70 - 75� deviated wells and to lengths rang




 lprit.   The main results presented in this paper were obtained using a modified conductivity cell to allow polymer concentration via leakoff a


> 0.934] in Brazil and the North Sea that otherwise would have been uneconomical. This article discusses where the industry started how te
> 0.934] in Brazil and the North Sea that otherwise would have been uneconomical. This article discusses where the industry started how te
 ite cement within thin intervals locally inhibited later pervasive quartz cementation; the quartz is the cause of reservoir degradation in the bul


  consequence various correlations for PI or IPR calculation have been proposed from simple analytical solutions to rigorous numerical form
n-depth treatments will be particularly detailed.� There will be discussions on Best Practices/ Lessons Learnt to improve the success rates
Alaska’s North Slope started producing oil at about the same time as the United Kingdom North Sea in the mid to late 1970’s. Alask
Alaska’s North Slope started producing oil at about the same time as the United Kingdom North Sea in the mid to late 1970’s. Alask
 nd efficiency of the design solutions implementation is far from being perfect. The main reasons are the following: – lack of efficiency in in
 eveloped economically without the introduction of new technology to both reduce costs and the amount of energy required to separate CO2
 d stimulation campaigns in Brunei and Malaysia. Recently stimulation in carbonate gas reservoirs brought new successes. This paper discu
ed by engineers. The shortage is being addressed at governmental level providing guidance through strategic reviews such as the Roberts r
entional natural gas exploration and exploitation. As those technologies in geology geophysics drilling completion and production have ma
 ery projects. Details of well geometry and design optimizations may prove to be minor sensitivities in high-cost deepwater developments; ho
 with those of finite-element models. More complex situations can be simulated with finite-element models but the input data requirements a
 ty in the long-term storage of CO2 using technology and experience from over 30 years of safely transporting and injecting CO2 in oil and ga
 e geological setting reservoir and oil quality issues and the status of cold and EOR production in the region.� Productive heavy oil carbon
 ural-gas production from coalbed- and shale-gas reservoirs in the US is approximately 2.7 Tscf which represents 15% of total natural-gas p
 d form rod-shaped micellar structures under certain conditions. Viscoelastic surfactant-based acid systems have been used in Saudi Arabia
 ability and resolution required to characterize/quantify complexities of the well/reservoir system which may otherwise have gone unnoticed.
erpretation of well test results based on 1D 2D or 3D multiphase optimization problems. Obviously in this case well testing techniques are

 with the introduction of deconvolution. Deconvolution is a process which converts pressure data at variable rate into a single drawdown at co
es in various areas of petroleum engineering. Abstract Polymer flooding (PF) and alkaline/surfactant/polymer (ASP) flooding have been a
entional natural gas exploration and exploitation. As those technologies in geology geophysics drilling completion and production have ma
ural-gas production from coalbed- and shale-gas reservoirs in the US is approximately 2.7 Tscf which represents 15% of total natural-gas p
lprit. The main results presented in this paper were obtained using a modified conductivity cell to allow polymer concentration via leakoff a
aper is to examine the ranges of some important parameters within which successful polymer flooding has been achieved and to present le
 s summary of the state of the art in nuclear-magnetic-resonance (NMR) well-logging technology is aimed at nonspecialists who would like to
oduction automation systems have been around for decades. In the 1960s systems were used primarily to monitor production variables (e.
he recent interest and enthusiasm in the industry toward smart wells intelligent fields and real-time analysis and interpretation of large amo
 ervoir simulation has moved into a new era with the rapid advancements in parallel-computer hardware and software technologies. In the p
producers at early time reduces pressures and accelerates steam breakthrough time and recovery. Furthermore pattern element and sing
ne and streamtube methods have been used by the oil industry for several decades. In recent years there has been an increased interest in
cial meters then are evaluated in terms of operational and economical advantages or shortcomings from an operator's point of view. The les
gy and tactics for new fields and basins. 4-D has most commonly been used in oil-fields under water-flood due to the ease of monitoring larg
water-floods and tertiary EOR schemes. The main historical “mode of 4-D data acquisition for BP has been with marine surface-tow stre
r and subsea projects will require the development of reservoirs with compound issues: HPHT (1400 bars 177�C) heavy crude low perm


onducted by the SPE and also by two integrated oil companies (IOCs). We address the goal of “reducing time to decision and show how

nd moved to development (Fig. 1). This paper will give a high level review of some of the recent development challenges for the deepwater a
cations and change management. The intent of this document is to chronicle some of the learning’s from DOF’s history initially from
oil in Russia has not already reached its peak level and that it will increase above the current production rates because of improvement of ec

on.� Hydrate management strategy must focus on preventing blockages versus preventing hydrate formation.� To this end the enginee
e scale deposits in the tubing but is not appropriate for removing scale from within the near well bore area or within a frac-pack or screen. Thu
 ½ deviated wells and to lengths ranging from 100 to 322 ft. The success of such operations depends obviously on some specific precautions




w polymer concentration via leakoff and measurements of flow initiation gradients. The paper will discuss the experimental set-up and som


es where the industry started how technology has evolved and the lessons learned that are being applied to increase the application envelo
es where the industry started how technology has evolved and the lessons learned that are being applied to increase the application envelo
se of reservoir degradation in the bulk of the sandstone with resulting permeabilities of <1 md and often in the microdarcy range. Generally


  solutions to rigorous numerical formulations in the literature. As horizontal or multilateral wells have been occupying an ever-increasing sha
  Learnt to improve the success rates and mention of challenges ahead.
a in the mid to late 1970’s. Alaska North Slope (ANS) and UK North Sea oil production rates were approximately equal in 1980 but UK
a in the mid to late 1970’s. Alaska North Slope (ANS) and UK North Sea oil production rates were approximately equal in 1980 but UK
  following: – lack of efficiency in interaction of the state oil companies and scientific centers during design documentation preparation proc
 of energy required to separate CO2 from methane and then sequester it safely below ground. For H2S contaminated gas fields the challen
ght new successes. This paper discusses what have been done to identify and capture opportunities through collaborated efforts.� Best p
 ategic reviews such as the Roberts report and at the corporate level with activities that span secondary and higher education as well as train
completion and production have matured and the price for natural has increased the development of unconventional natural gas has been
gh-cost deepwater developments; however rig rate has a major impact on economics. The assessment required to minimize the number of
 ls but the input data requirements are far greater. Typically in the modeling papers little information is included on how the input data is obta
 orting and injecting CO2 in oil and gas operations. This talk will illustrate some of the technical challenges that can be expected during the im
gion.� Productive heavy oil carbonate fields can be grouped into two categories: 1) low matrix permeability fracture dependent and 2) mat
 epresents 15% of total natural-gas production. Approximately 1.7 Tscf of this gas comes from more than 40 000 coalbed gas wells complete
ems have been used in Saudi Arabian fields in matrix acid stimulation and in leakoff control acids during acid-fracturing treatments. These s
  ay otherwise have gone unnoticed. In this paper we endeavor to reconcile the advances in well-test interpretation and in measurement tech
  this case well testing techniques are rather more complicated. They become science-intensive. On the other hand they firstly extend the lis

able rate into a single drawdown at constant rate thus making more data available for interpretation than in the original data set where only p
 polymer (ASP) flooding have been applied throughout the world for more than 20 years. However few large-scale successes with these pr
completion and production have matured and the price for natural has increased the development of unconventional natural gas has been
 epresents 15% of total natural-gas production. Approximately 1.7 Tscf of this gas comes from more than 40 000 coalbed gas wells complete
w polymer concentration via leakoff and measurements of flow initiation gradients. The paper will discuss the experimental set-up and som
 has been achieved and to present lessons learnt and best practices on polymer flooding thus direct to design and further achieve a high-p
ed at nonspecialists who would like to gain some knowledge of the formation-evaluation capabilities of NMR logging tools. The objective is t
 y to monitor production variables (e.g. pressure temperature and flow rate) with limited remote control functions (e.g. automatic well testi
alysis and interpretation of large amounts of data for process optimization our industry’s need for powerful robust and intelligent tools
e and software technologies. In the past decade the total number of gridblocks used in a typical reservoir study increased from thousands t
urthermore pattern element and single sand models used in many previous studies are not sufficient to explain observed field performance
 re has been an increased interest in the technology. This is primarily driven by two factors. First with the developments in reservoir characte
m an operator's point of view. The lessons learned about the practical reliability accuracy and use of available technology are discussed. A
 od due to the ease of monitoring large saturation and pressure changes and the increased complexity of reservoir management which gives
as been with marine surface-tow streamer operations acquired every 2-5 years. However by the time of this presentation BP will have insta
 rs 177�C) heavy crude low permeability low pressure among others. Some of these reservoirs are located in remote regions with few o


cing time to decision and show how even the most basic data-integration gaps can slow decisions with great economic impact. In informatio

pment challenges for the deepwater and ultra deepwater fields in the GoM and will explain how these challenges were addressed and how th
 from DOF’s history initially from a Shell E&P perspective as this is the author’s bias. However it is hoped that this will spark simila
 rates because of improvement of economic situation in the country on the one hand and increasing of mature fields on the other hand. The

rmation.� To this end the engineer must evaluate flow conditions system geometry and production profiles in addition to temperature an
a or within a frac-pack or screen. Thus the recommended management strategy is one of prevention rather than remediation. A combination
viously on some specific precautions: Enough information about reservoir conditions geology and rock properties must be available to allow




ss the experimental set-up and some of the artifacts that had to be removed prior to ensuring more reliable data.�The results highlight th


ed to increase the application envelope and reliability of this completion method.�The review covers advances in openhole-drilling techniq
ed to increase the application envelope and reliability of this completion method.�The review covers advances in openhole-drilling techniq
n in the microdarcy range. Generally the overlying Lower Devonian has a low density of faulting and fractures; open and closed fractures are


en occupying an ever-increasing share of hydrocarbon production since the 1980s more accurate PI or IPR estimation has been emerging a

approximately equal in 1980 but UK North Sea oil production has exceeded that of the Alaska ANS by more than 40% in recent years. The
approximately equal in 1980 but UK North Sea oil production has exceeded that of the Alaska ANS by more than 40% in recent years. The
 sign documentation preparation process; – non-optimum use of geological and field information available poor data quality; – issues wit
 contaminated gas fields the challenges appear even greater. The extreme corrosiveness and toxicity of H2S requires the application of stat
 ough collaborated efforts.� Best practices and learnings leading to the success will be shared. Some of the high lights of the practices inc
  and higher education as well as training and development during employment. Figures (2005) for the UKCS suggest there is a further 21.1
 nconventional natural gas has been blossoming for last decade globally. Without question it is certain that the development of unconventio
  required to minimize the number of injectors and ensure their proper placement logically takes more time than exotic choices of injection pa
ncluded on how the input data is obtained. Because of this several papers have been published that have proposed ways to obtain the input
 es that can be expected during the implementation lifecycle (from site exploration to closure) of such projects and is based upon our learnin
ability fracture dependent and 2) matrix permeability dependent production. Fracture enhanced low matrix permeability production is domina
n 40 000 coalbed gas wells completed in at least 20 different basins. The remaining 1.0 Tscf comes from more than 40 000 shale gas wells
g acid-fracturing treatments. These surfactants were used to provide diversion during acidizing of vertical long horizontal and multilateral we
erpretation and in measurement technology. Specifically we describe a new technique for differentiating well-test-pressure data the digital p
  other hand they firstly extend the list of parameters and relations determined - those required for up-to-date 3D flow simulations. Added fe

n in the original data set where only periods at constant rate can be analyzed. Consequently it is possible to see boundaries in deconvolved
large-scale successes with these processes have been reported except in China. To date the PF process has been applied successfully in
 nconventional natural gas has been blossoming for last decade globally. Without question it is certain that the development of unconventio
n 40 000 coalbed gas wells completed in at least 20 different basins. The remaining 1.0 Tscf comes from more than 40 000 shale gas wells
 ss the experimental set-up and some of the artifacts that had to be removed prior to ensuring more reliable data.�The results highlight th
 design and further achieve a high-performance polymer-flooding project. Introduction Mechanisms of Polymer Flooding In the reservoir
NMR logging tools. The objective is to explain the basic measurement principles and interpretations needed to understand NMR formation-e
 l functions (e.g. automatic well testing pump start/stop and remote facility shutdown) and the term supervisory control and data acquisitio
 owerful robust and intelligent tools has significantly increased. Operations such as asset evaluation; 3D- and 4D-seismic-data interpretatio
oir study increased from thousands to millions. Mega (million) -cell simulation capability allows accurate representation of reservoirs becaus
  explain observed field performance and that larger heterogeneous model give more realistic recovery predictions.� Discontinuous shal
 e developments in reservoir characterization we can now routinely generate high-resolution reservoir models consisting of multi-million cells
 vailable technology are discussed. As operators now realize use of MFM systems (MFMSs) is essential in exploiting marginal fields. A new
 f reservoir management which gives the opportunity for large commercial impact. Monitoring of gas field depletion has added clear value in
   this presentation BP will have installed and be operating its third permanent ocean bottom cable (OBC) seismic monitoring system. The bu
  located in remote regions with few offshore host facilities and/or ecologically sensitive environments with extreme climatic swings. This pap


 great economic impact. In information management and decision-making the mondegreen “data commute is the biggest problem area.

allenges were addressed and how the Company plans to address even more demanding challenges in the future.
  it is hoped that this will spark similar historic learning’s from other Shell individuals and other E&P companies and that these thoughts a
mature fields on the other hand. The paper presents an overview of EOR field experiences in former Soviet Union and Russia for the last 25

 rofiles in addition to temperature and pressure conditions.� In particular a realistic water production profile during field life is needed to fr
 her than remediation. A combination of the low geomechanical strength of these reservoirs and other rock characteristics has led to the ado
 properties must be available to allow detailed fracture planning. In particular time must be spent to obtain a representative mini frac and a c




 able data.�The results highlight the crucial role played by the filter cake and present new data that would significantly change the commo


 dvances in openhole-drilling techniques that eliminate hole tortuosity gravel-pack fluids that can reduce rig time and enhance well productiv
 dvances in openhole-drilling techniques that eliminate hole tortuosity gravel-pack fluids that can reduce rig time and enhance well productiv
 tures; open and closed fractures are observed in core whilst mud losses suggest some fractures are conductive in the subsurface. The perm


 IPR estimation has been emerging as an important issue in the petroleum industry.11 The correlations become more and more complicated

more than 40% in recent years. The UK North Sea and ANS share similar areal sizes and other similarities but differ in several key areas in
more than 40% in recent years. The UK North Sea and ANS share similar areal sizes and other similarities but differ in several key areas in
able poor data quality; – issues with pay zones modeling and monitoring; – conflict of interests between business representatives (comp
 f H2S requires the application of state-of-the art technology and operating procedures. There is simply no room for mistakes. sulfur managem
   of the high lights of the practices include: Opportunity identification and detailed design ��������•���ï¿
UKCS suggest there is a further 21.1 billion boe total reserves. Global reserves stand at over 50 years production at current rates offering op
 that the development of unconventional natural gas in China will be blossoming in the coming decades. However there are significant challe
me than exotic choices of injection patterns. With such major constraints in mind an optimal design for wells and materials has to take preced
 ve proposed ways to obtain the input data in particular the mechanical parameters of the set cement. Because typically these papers have a
ojects and is based upon our learning both in recent CO2 sequestration projects and the industrial analogue of CO2 Enhanced Oil Recovery
  rix permeability production is dominant and occurs in Oman Iran Iraq Syria Turkey and Egypt and includes producing fields such as Qarn
m more than 40 000 shale gas wells completed in five primary basins. While the pace of coalbed-gas drilling is starting to slow shale gas con
  l long horizontal and multilateral wells. They were used in sour environments where hydrogen sulfide levels reached nearly 10 mol%. They
   well-test-pressure data the digital pressure derivative technique. This approach produces the most accurate and representative dp/dt curve
o-date 3D flow simulations. Added features include relative permeabilities for oil gas and water capillary pressures and full tensor permeab

le to see boundaries in deconvolved data a considerable advantage compared to conventional analysis where boundaries are often not see
cess has been applied successfully in several major Chinese oil fields such as Daqing and Shengli. PF alone contributed approximately 250
that the development of unconventional natural gas in China will be blossoming in the coming decades. However there are significant challe
m more than 40 000 shale gas wells completed in five primary basins. While the pace of coalbed-gas drilling is starting to slow shale gas con
 able data.�The results highlight the crucial role played by the filter cake and present new data that would significantly change the commo
 f Polymer Flooding In the reservoir oil and water are immiscible fluids. As a result neither one can completely displace the other in the sub
eded to understand NMR formation-evaluation techniques and to discuss a few examples of these methods. Introduction of pulsed-NMR lo
upervisory control and data acquisition (SCADA) was developed to describe the system. Progress was slow because of many problems with
3D- and 4D-seismic-data interpretation; complex multilateral-drilling design and implementation; log interpretation; building of geologic mode
  representation of reservoirs because of its ability to include detailed information provided by logs 3D seismic horizontal wells and stratigr
  predictions.� Discontinuous shales allow significant drainage to occur from the upper to the lower sands. Consequently the upper zone
 odels consisting of multi-million cells. This has resulted in a gap between geologic modeling and flow simulation. Second with increased mo
 l in exploiting marginal fields. A new approach to flow assurance deepwater developments downhole/seabed separation systems and we
d depletion has added clear value in appropriate situations but is much less co
) seismic monitoring system. The bulk of successful track-record to date has been in oi
h extreme climatic swings. This paper presents an overview of BP’s many milestones in subsea proje


ommute is the biggest problem area. The data commute absorbs over half the time


 companies and that these thoughts and lessons be used to “grow towards a more co
 viet Union and Russia for the last 25 years an analysis of recent effo

 profile during field life is needed to frame a workable hydrate management strategy.
ock characteristics has led to the adoption of frac-pack completio
ain a representative mini frac and a correct interpretation; Requirements




 ould significantly change the common industry pra


 rig time and enhance well productivity and improvements in downhole tools tha
 rig time and enhance well productivity and improvements in downhole tools tha
onductive in the subsurface. The permeability range in the tight san


become more and more complicated and rigorous in order to accurately describe

  ties but differ in several key areas including government policy. This paper examines
  ties but differ in several key areas including government policy. This paper examines
 een business representatives (companies) and the state; – organ
no room for mistakes. sulfur management is also an issue that requires new approaches as p
  ¿½ï¿½ï¿½ï¿½ï¿½â€¢ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ Detailed well-by-w
  oduction at current rates offering opportunities in the UK’s growing se
  However there are significant challenges and hurdles to overcome before that happens.
wells and materials has to take precedence. Accepting this as a given additi
 ecause typically these papers have addressed only one or two
ogue of CO2 Enhanced Oil Recovery. These include: establishing init
  udes producing fields such as Qarn Alam in Oman and Issaran and Bakr-Amer i
  lling is starting to slow shale gas continues to be one of the hott
evels reached nearly 10 mol%. They were also utili
  urate and representative dp/dt curve by incorporating knowledge of both
 ry pressures and full tensor permeability. S

   where boundaries are often not seen and must be inferred.�Th
 alone contributed approximately 250 000 BOPD of production in 200
 However there are significant challenges and hurdles to overcome before that happens.
 lling is starting to slow shale gas continues to be one of the hott
 ould significantly change the common industry pra
mpletely displace the other in the subsurface condition. This
hods. Introduction of pulsed-NMR logging tools in the 1990s pro
slow because of many problems with instrumentation communi
rpretation; building of geologic models; well-
eismic horizontal wells and stratigraphic studies.
ands. Consequently the upper zones may contain less reserve tha
mulation. Second with increased model resolution there i
seabed separation systems and wet-gas fields is foreseen. The authors suggest wh

				
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