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Digital Energy Workshop -June 8, 2010
The Value of Real-Time Data
Subject: Reservoir - Increased Production / Reserves
SPE Paper Title Summary of Paper Identified Benefits
Number
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83973 Advanced Web Technologies Give This paper illustrates how a real-time data acquisition and control system securely communicates with a 4,000 BOPD increase in Harding offshore
Real-Time Capabilities to Enhance remote data management system brownfield
Production Operations and Reservoir
Management
Harding reservoir is optimised to within a 1 psi level of resolution. This is important because well productivities
are very high and highly sensitive tosmall pressure changes. The Central and North reservoirs have been
deliberately operated at 1 psi above bubble point for 18 months. It has been shown that improvements in
reservoir performance management based on this new information desplay have delivered up to 3000 B/D of
incremental oil. The ISIS interface allowed the Schiehallion team to increase production and avoid losses
through more efficient start up, more effective start ups, more effective control of unstable wells and better
communications with the offshore team.
Because the effect of even very small increases in reservoir pressure can be monitored and understood, the
true value of pressure support and voidage maintenance can be better quantified. This allowed the sanction of
an alternative water injection project. One of Harding's aquifer wells on lift by ESP was connected directly to
the field's three water injectors. Exactly as predicted, the extra 814,000 bbls injected over 2 weeks raised
reservoir pressure by 5 psi. this increased reservoir pressure will reduce gas cones in several key wells,
increasing dry ol production by 4000 B/D.
It has been shown that improvements in reservoir performance management based on this new information
desplay have delivered up to 3000 B/D of incremental oil. The ISIS interface allowed the Schiehallion team to
increase production and avoid losses through more efficient start up, more effective start ups, more effective
control of unstable wells and better communications with the offshore team.
99777, Case Field of the Future: Making BP's BP aspires to operate its assets at the technical limit of efficiency, recovery and cost. To make this asperation a 3,000 BOPD increase in Schiehallion,
A Vision a Reality reality, BP has implemented a program called Field of the Future (FoF). This paper describes the portfolio of Shetlands offshore brownfield
technologies needed to deliver BP's vision of the FoF. This paper also describes how BP is deploying these
technologies and capabilities, with particular imphasis on the revised busienss processes and enhanced people
capabilities needed to underpin successful deployment at scale across its assets. Finally, this paper summarises
current status of technology development and deployment in BP, the successes achieved to date and the
challenges that remain.
a6dad243-f086-4ee8-b5a1-a877d848be3a.xls 12/9/2010 9:18 PM
BP is developign two products - Integrated Subsurface Information Systems (ISIS) and Data to Desktop (D2D). In
the longer term BP believes that the program has the potential to increase recovery from BP's fields worldwide
by around one billion barrels, an improvement of approximately 5% on current reserves, which is within the
range indicated by external studies for the benefits of this kind of program (citing CERA). Within a decade, FoF
is expected to be impacting more than 95%of BP's production.
It has been shown that improvements in reservoir performance management based on this new information
desplay have delivered up to 3000 B/D of incremental oil. The ISIS interface allowed the Schiehallion team to
increase production and avoid losses through more efficient start up, more effective start ups, more effective
control of unstable wells and better communications with the offshore team.
99850 ISIS--A Real-Time Information Integrated Subsurface Information System (ISIS) BP's namePart of BP Field of the Future program; initial pilot 5% increase of 3000 b/d from better
Pipeline project in Aberdeen; Schiehallion field; installed on 7 fields by 2005 and planned to be extended to another 20 information on the Schiehallion field.
by 2006
ISIS recognized the need for many disciplines to be involved; vendors who supplied propietary data need to Also "engineers" offshore for data
provide the interface to ISIS handling were moved onshore and re-
assigned
110525, Optimizing the Production System This paper discusses the workflows utilized in identifying production optimization and enhancement Production increased from 811 to 2290
Case D Using Real-Time Measurements: A opportunities from large amounts of streaming data flowing from a number of wells. Observations on a large B/D
Piece of the Digital Oilfield Puzzle number of wells during a 2 year period show that over 50% can benefit from some form of optimization,
resulting in a substantial increase in production.
Good quality pressure build-up or draw-down events can provide critical information about the reservoir andits
deliverability. Based on a draw-down event and subsequent IPR analysis, it was decided to stimulate the well
with a hydraulic fracture. After stabilization, the producion had increased from 811 B/D to 2290 B/D. Also, the
oil cut changed from 2% to 5% and the intake pressure increased from 300 psi to 2000 psi, indicating additional
potnetial if the pump could move more liquid.
119098 Closed-Loop Reservoir Management Closed-loop reservoir management is a combination of model-based optimization and adata assumilation 6.7-8.7% improvement in net present
(computer-assisted history matching), also referred to as "real-time rerservoir management, "smeart reservoir value
management" or "closed-loop optimization." We present results of a numierical example to illustrate the scope
for closed-loop waterflooding using real-time production data under uncertain reservoir conditions.
Applying an optimizaation frequency of respetctively once per 4 years, once per 2 years, once per year and
once per 30 days resulted in an increse of net present value with 6.68, 8.29. 8.3 and 8.71% compared to a
conventional reactive control strategy.
127691 Realizing Value from Implementing i- This paper describes the successful methodology adopted for implemnenting i-field in Agbami - namely 50.000 BOPD increase in Agbami offshore
field in a Deepwater Greenfield in identification, prioritization and implementation of relevant work flows. Nigeria greenfield
Offshore Nigeria Development
a6dad243-f086-4ee8-b5a1-a877d848be3a.xls 12/9/2010 9:18 PM
The expected benefits from implementing i-field include reduction in lost production opportunity through
proactive asset management, better long-term reservir management through timeline management of injection
and production rate balancing, increased efficiency and reliability through guided workslows, improved
ultimate recovery, and bettter overall performance from standardization of base business work processes.
One of the major challenges faced by the project team was business justification and value quantification of i-
field. Though there is a broader support for ht eporject both from the asset team and corporate initiatives, the
difficulty lie at building a convincing business case for investment and clearly describing the nature of
investments, risks, and expected benefits
The asset team has achieved early success int eh startup of 12 producers, 2 gas injectors, and 2 water injectors
ahead of the planned schedule to reach plateau production. As intelligent well completions and i-field
complement one another, it is difficult to strictly separate the value between the twotechnologies. However,
areas where the i-connect system has assisted in adding value to the early field life fall into the following
categories:
Production optimization and reliability - Optimization of well rates resulting in 50,000BOPD gain to date.
Prudent reservoir management - early detection of presure response from injection supports reserve booking
Production optimization - buildup results from pre-startup rig flowbacks are used to optiize startup procedures
Drilling and completion - selective displacement of damaging brine into higher perm zone
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a6dad243-f086-4ee8-b5a1-a877d848be3a.xls 12/9/2010 9:18 PM
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