"Partner Update, Fall 2004, Page 8 (PDF)"
PARTNER UPDATE FALL 2004 In the News Natural Gas STAR Program to Play Key Role in White House Methane to Markets Initiative U .S. EPA Administrator Mike Leavitt, Secretary of Energy Spencer Abraham, Undersecretary of State for Global Affairs Paula Dobriansky, and White gas-to-energy projects, methane recov ery projects at coal mines, and improvements in natural gas systems. Canada and Russia are seriously con sidering joining the Partnership. House Council on Environmental Quality The Natural Gas STAR Program will Chairman James Connaughton take the leading role in working with announced that the United States will U.S. and overseas natural gas compa join efforts with Australia, China, India, nies and stakeholders, such as service Italy, Japan, Mexico, Ukraine, and the companies and academic institutions, United Kingdom to develop and pro to identify and implement cost-effective mote cooperation on the recovery and methane emissions reduction activities. use of methane that would otherwise The two main Gas STAR goals of this leak into the atmosphere. The undertaking are to implement cost- Partnership will focus on deploying effective natural gas system methane cost-effective technologies in landfill Continued on page 4 ★ ★ ★ In This Issue: Partner Profile In the News .............................................1 Superior Implementation of Partner Profile .........................................1 Natural Gas STAR—Devon Energy Corporation Program Expansion .................................2 D Calendar ..................................................4 evon Energy Corporation is domestic operations from the Gulf of Technology Spotlight...............................8 the largest U.S.-based inde Mexico to Montana, Devon produces Q&A ........................................................9 pendent oil and gas produc more than 580 billion cubic feet (Bcf) of Program Achievements .........................10 er and one of the largest independent natural gas annually. New Partners.........................................11 processors of natural gas and natural gas liquids in North America. With Continued on page 5 ★ ★ ★ September 1, 2004 Natural Gas STAR Partner Update ★ Fall 2004 1 Program Expansion Optimizing Operating Pressures to Reduce Flash Losses more costly than several other methods F lash gas is natural gas liberat ed when crude oil and con densate undergo a pressure drop. Facility operators looking for a cost-effective method for reducing discussed below. Measurement devices range from ultrasonic transit-time meters—preferred for low-pressure and/or low flow rate—to turbine meters, thermal mass flow meters, and vortex EPA is currently developing a new Natural Gas STAR Lessons Learned study on pressure optimization and is soliciting interested parties for peer review of the draft document. If you are interested in participating in the peer methane emissions with minimal costs review process, please contact Kevin flow meters. The accuracy and preci Tingley at email@example.com or should examine the operating condi sion of each measurement device will (202) 343-9086. tions of pressure vessels. By minimizing vary depending on the system pressure the pressure drop between vessels, the and flow rate. amount of "flash" losses is reduced. mate total potential vapor emissions Vasquez-Beggs Correlation from a barrel of oil based on pressure Many areas in the production, process Equations differentials. The curves were construct ing, storage, and transmission sectors The Vasquez-Beggs correlation equa ed using empirical flash data from labo generate and vent flash gas to the tions are based on a paper titled, ratory studies and field measurements. atmosphere, including: 1) fixed roof Correlations for Fluid Physical Property The methodology is based on using storage tanks where high/low-pressure Prediction (1980), and are widely used graphical curves of API gravity of stored crude oil and condensate are flashed by industry and government agencies to crude oil/condensate and separator into tanks at atmospheric pressure; 2) estimate flash losses. The equations pressure to determine GOR. For exam high/intermediate pressure separators yield the gas-to-oil ratio (GOR) of natural ple, given a certain oil API gravity and that send crude oil and condensate to gas (methane plus higher molecular vessel dumping pressure, the total vol a low-pressure separator; and 3) gas weight hydrocarbons) liberated in stan ume of vapors can extrapolated. This plant inlet separators that dump into dard cubic feet (60ºF, 14.7 psia) per bar method is quick and easy to use; how storage tanks operating at atmospheric rel of oil produced. Methane emissions ever, it may overestimate results pressure. are then estimated based on the frac depending on conditions and cannot tional amount of methane in the flash be used to estimate intermediate pres Determining when and where operating sure drop flash. To use the Griswold gas. Minimal process data are needed pressures can be reduced can yield and Ambler GOR chart method, consult to use this method; however, the results significant economic and environmental the Natural Gas STAR Lessons Learned are underestimated. The Vasquez- benefits. Flash gas liberated due to document titled, Installing Vapor Beggs flashing calculations are available crude oil and/or condensate undergo Recovery Units on Crude Oil Storage online at nmenv.state.nm.us/ ing a pressure drop between two ves Tanks (this document is available online aqb/Vasquez-Beggs-Flashing- sels can be estimated using several dif at epa.gov/gasstar/lessons.htm). Calculations.xls. ferent methods: Griswold and Ambler GOR Pressurized Oil Sample and Direct Measurement Measurement of GOR Chart Method (SPE Paper Direct measurement provides the most Operators can use this methodology to 7175) accurate results for evaluating flash gas estimate flash gas from processes A graph developed by Griswold and flow rates; however, this method can be where there are intermediate stages of Ambler (1978) can be used to approxi- Continued on page 3 ★ ★ ★ 2 Natural Gas STAR Partner Update ★ Fall 2004 Optimizing Operating Pressures Continued from page 2 ★ ★ ★ TANK methods calculate the GOR for Ambler GOR Chart Method, the flashing. For example, if a separator each scenario run. A moderate cost will Vasquez-Beggs correlation equations, sends its oil to a heater-treater (which be incurred to purchase the software, and E&P TANK should not be used. vents to the atmosphere), and the and the accuracy of the results These methods should only be used for heater-treater dumps to an atmospheric depends on the quality of input data a single flash between a pressure ves storage tank, then the pressurized oil used. Some process data, such as sel and storage vessel operating at sample method can be used to esti separator pressure and temperature nearly atmospheric pressure. mate the flash emissions from each and separator oil composition, are needed. To obtain a copy of E&P TANK EPA is currently developing a new study stage. The operator should obtain a Version 2, contact API directly or visit in the Natural Gas STAR Lessons pressurized oil sample from the separa global.ihs.com (reference API publica Learned series titled, Optimizing tor and instruct the laboratory to per tion number: 4697; product number: Operating Pressures to Reduce Flash form a flash analysis for two stages: I46970). Losses. This Lessons Learned study Stage 1—separator to heater-treater will provide additional information and conditions and Stage 2—heater-treater Process Simulators examples on how to calculate the to storage tank conditions. The labora Process simulators such as HYSYS methane and economic savings associ tory then determines the GOR and (available from Hyprotech at ated with optimizing system operating molar concentrations of flash gas com hyprotech.com) and PROSIM® (avail pressures. The document will also pro ponents at each stage. This method able from Bryan Research & vide a detailed example using the can be costly, but provides accurate Engineering at bre.com) are frequently Vasquez-Beggs correlation equations to GOR results. For more information, used to estimate flash losses, especially determine the volume of flash gas loss refer to the Gas Processors Association when designing new facilities. When for a hypothetical process. (GPA) Standard 2174-93, which pro using these models, users should vides details on sampling procedures In addition, EPA is interested in high select the Peng-Robinson equation-of- for collecting a pressurized oil sample. lighting actual pressure optimization state to estimate tank-flashing emis sions. This software can be costly, and projects implemented by Natural Gas API E&P TANK Version 2 specialized knowledge of the software STAR partners in the new Lessons Software is helpful. Also, the accuracy of the Learned document. If your company The American Petroleum Institute (API) results depends on the quality of input has implemented a project to optimize developed the E&P TANK Version 2 data used. Results can be estimated system pressure to reduce gas losses, software to estimate tank flashing loss quickly for multiple "what-if" scenarios, or if you are interested in conducting a es in addition to tank working and and intermediate pressure drop flash pressure optimization study, please standing losses. The model allows the can be estimated. contact Kevin Tingley at user to input compositional analyses firstname.lastname@example.org or (202) 343 from pressurized oil and gas samples to For a given set of process conditions, 9086. simulate flash generation in storage each of the above methods can have a tanks. Two methods are available for large variation in results. Therefore, estimating flashing, working, and stand direct measurement of the vent gas is ing losses. The first method estimates the preferred method. The Vasquez- the flash loss using rigorous thermody Beggs correlation equations are easy to namic flash calculations and estimates use, but often result in estimates that working and standing losses with a are lower than actual measurement, the fixed roof tank simulation. The second Griswold and Ambler GOR Chart method estimates flash using the same Method, and E&P TANK. Note also that methodology, but calculates working to quantify flash gas liberated from and standing losses using AP-42 for intermediate flashing, the Griswold and mulas for storage tanks. Both E&P Natural Gas STAR Partner Update ★ Fall 2004 3 Methane to Markets Continued from page 1 ★ ★ ★ Proceedings Available emissions reduction projects with The proceedings from the Third International Methane & Nitrous measurable results, and to build lasting Oxide Mitigation Conference, which was held November 17-21, in-country technical capacity, enabling these projects to continue and replicate. 2003, in Beijing, China, are available online at coalinfo.net.cn/ coalbed/meeting/2203/papers/index.html. Gas STAR partners with international As a reminder, CDs of the proceedings are also available (free of holdings are strongly encouraged to charge up to 10 copies). Please contact Roger Fernandez at become actively involved with this effort email@example.com with any questions. by considering methane emissions reduction project opportunities within the framework of this initiative. Academic institutions, the financial sec tor, service companies, and other non governmental organizations are also essential to building capacity, transfer ring technology, and promoting private investment. We welcome these organi Calendar zations’ involvement and input. Additional Information ★ EPA Press Release (7/28/2004) 2004 GAS STAR TECHNOLOGY 2004 GAS STAR ANNUAL ★ EPA’s Methane to Market Web Site TRANSFER WORKSHOPS MEETING (updated 7/28/2004) Production ★ Houston, Texas ★ President Bush’s Statement on the Warwick Hotel Partnership (7/28/2004) ★ Houston, Texas 5701 Main Street September 21, 2004 ★ New York Times article, “U.S. to October 25-27, 2004 Co-sponsored by API and ExxonMobil Unveil Plan to Harvest Methane With 7 Countries” (7/28/2004) Processing ★ Wall Street Journal article, “U.S. ★ Dallas, Texas Joins Seven Other Nations In September 23, 2004 Methane-Harvesting Effort” Co-sponsored by GPA and Pioneer (7/29/2004) Natural Resources Please contact Roger Fernandez, Manager of the Natural Gas STAR Transmission Program, at fernandez.roger@ ★ Houston, Texas epa.gov for more information. September 22, 2004 Co-sponsored by Duke Energy Gas Transmission Distribution ★ New Orleans, Louisiana October 17, 2004 Co-sponsored by AGA For further information, contact Roger Fernandez at firstname.lastname@example.org. To view a conference agenda and to register online, please visit epa.gov/gasstar/workshops.htm. 4 Natural Gas STAR Partner Update ★ Fall 2004 “Support from our CEO has been Devon Energy Corporation extremely important in making Continued from page 1 ★ ★ ★ our Natural Gas STAR Program a success. From the beginning, it was clear that our participation Devon’s implementation of the Natural Devon’s Chairman and CEO, Larry was a point of pride for the com- Gas STAR Program exemplifies its Nichols, then drafted a memo to all pany. Mr. Nichols’ (Devon’s commitment to the environment. Since employees announcing Devon’s inten implementing its Natural Gas STAR tions to join Natural Gas STAR. In July Chairman and CEO) endorse- Program approximately one year ago, 2003, Devon hosted a press confer ment demonstrated to all Devon is becoming a model for other ence at its headquarters in Oklahoma employees, stakeholders, and partners to follow. Devon’s aggressive City, Oklahoma. Local media and the public that the Gas STAR steps to significantly reduce its methane Devon employees were in attendance Program was a top priority for emissions have raised the standard to witness a Natural Gas STAR partner the company.” against which other partners should ship agreement signing ceremony with —David Templet, Manager of compare their progress and successes. Nichols and Natural Gas STAR Program Environmental, Health & Safety Manager, Roger Fernandez. The com Laying the Groundwork for pany believed it was very important to management and operations personnel a Successful Program involve the media to announce the believe in the results, economically and Prior to joining Natural Gas STAR, inception of its Natural Gas STAR environmentally.” As the company Devon acquired and merged assets Program, demonstrate Devon’s com began to identify the emissions reduc with three companies already participat mitment, and generate momentum to tion projects that had been implement ing in the Program—PennzEnergy (pre get the Program up and running. ed in the past, it was easy to connect viously Pennzoil Exploration and economic benefits to reducing methane Production Company), Mitchell Energy, Implementing Natural Gas emissions. and Ocean Energy. These acquisitions STAR proved valuable in getting Devon’s Gas Devon appointed Steve O’Connell, for During the past several months, an STAR Program up and running. merly a Senior Environmental Specialist atmosphere of competition has devel Employees from PennzEnergy, Mitchell, and now Central Division EHS oped among Devon’s operational and Ocean carried their interest in Supervisor, as its Gas STAR groups to see who can identify and Natural Gas STAR with them to Devon Implementation Manager. To educate implement the greatest emissions and found other staff members recep employees about the Gas STAR reductions. This friendly competition has tive to implementing an emissions Program, O’Connell first rolled the mes generated momentum for the Program reduction program. Ron Truelove, sage out to all EHS staff in the field. He throughout the company and greatly Devon’s Environmental Manager, developed a presentation that outlined enhanced efforts to identify emissions explained, “The recent growth of Devon the goals of the Program and provided made personnel with different back examples of emission reduction oppor grounds available to bring together a lot tunities to be used by EHS staff to of good ideas.” announce the program to operations staff. Since then, O’Connell has spent Devon’s managers began discussing a considerable amount of time working the emissions reduction projects previ with operations staff to inventory past ously implemented by PennzEnergy, emission reduction efforts and generate Mitchell, and Ocean. With the help of new ideas and projects. O’Connell operations supervisors, they began explained, “When Gas STAR was rolled identifying the types of information they out companywide, people bought into needed to collect to enable Devon to it because the Program makes sense. continue to build on these successes. It was not a hard sell because upper Continued on page 6 ★ ★ ★ Natural Gas STAR Partner Update ★ Fall 2004 5 Devon Energy sions reductions of approximately 675 “Selecting the right person to be million cubic feet (MMcf). Devon credits Corporation the savings associated with the comple the Gas STAR coordinator has Continued from page 5 ★ ★ ★ tion procedures to Rusty Werline, a been key to making our partici- Completions Superintendent for the pation in Natural Gas STAR a reduction opportunities. To encourage FWB area, and his staff. Werline deter success. Devon’s Gas STAR the competitive spirit, Devon provided baseball caps displaying the Devon and mined that directing the gas directly to coordinator, Steve O’Connell, Natural Gas STAR logos to field staff in the pipeline would not only reduce has a strong operational back- the Fort Worth Basin (FWB) and emissions but also improve operational ground, enabling him to work Washakie Basin operational areas for efficiency. Werline’s efforts clearly directly with the field supervi- their efforts. The FWB area is responsi demonstrate how much of Devon’s Gas sors to determine what emission STAR success can be attributed directly reduction opportunities make ble for implementing projects that have to the operations staff. the most sense for our opera- significantly reduced methane emissions in the past several months, such as: tions.” Pneumatic Devices. Devon has a cur rent inventory of more than 2,000 low- —David Templet, Manager of Well Completions. George Jackson, Environmental, Health & Safety bleed pneumatic systems in the FWB Devon’s Operations Supervisor for the for gathering emissions data. To date, FWB, noted that reducing emissions ment installations. Devon plans on this survey has shown that existing actually begins at the wellhead. Given reporting these data and savings (and equipment has primarily been converted Devon’s drilling technology and the that for pneumatic devices) to EPA in to low-bleed equipment. To determine unique rock formation within the shale the company’s first Gas STAR report. the economic benefit of the replace field of the FWB, Devon engineers and ments, Devon is making an effort to geologists know with almost complete Moving to the Next Level quantify how much methane was lost certainty that wells drilled within the field In just a few months, Devon’s progress prior to installing the low-bleed equip will be productive. This level of confi in its FWB operations has set high stan ment. Though this process is time-con- dence allows the company to install dard for the rest of the company to fol suming, it has significant momentum sales lines prior to the well being com low. Based on the FWB accomplish because it is enabling the company to pleted and provides for reduction ments, Devon plans to take the Gas demonstrate the real benefits of utilizing opportunities in two ways. First, with the STAR Program to operations company- low-bleed equipment. With the proof of line in place, Devon has implemented wide. Devon intends to develop an real savings in hand, management is well completion procedures that allow information-sharing system that will working with the company’s Purchasing gas to be sold during well completion include internal Gas STAR reports and Department to make installation of low- and cleanup activities. Secondly, gas updates. Devon also uses its annual bleed pneumatics standard operating normally vented to the atmosphere dur foremen’s meetings to provide opera practice for all new operations. ing state-required testing can now be tions staff with updates on the types of directed to the pipeline. These changes Flash Tank Separators and Glycol emissions reduction projects being in Devon’s completion and testing pro Dehydrators. Devon is also inventorying implemented around the company. cedures have resulted in methane emis- all of its glycol dehydrators to determine Devon’s upper management foresees a whether installing flash tank separators promising future for the company’s Gas In addition to reducing methane emis- would be economically and environ STAR Program. Devon’s achievements sions, Devon’s well completion prac- mentally beneficial. The results of the tices produce an immediate revenue since joining the Program a year ago initial inventory show that the majority of stream, less solid waste and waste- demonstrate its strong commitment to water, and safer operating conditions. dehydrators have had flash tank sepa reducing methane emissions. For more information about these types rators installed. Devon is continuing to Employees at all levels—from opera of well completions and other partner look for opportunities for flash tank sep reported opportunities (PROs), visit tions to management—are proud of the arator installation and, at the same EPA’s PRO fact sheet series on the Web work that has been done and are striv at epa.gov/gasstar/pro/index.htm. time, determining the emissions reduc ing to develop new technologies and tions realized as a result of these equip- Continued on page 7 ★ ★ ★ 6 Natural Gas STAR Partner Update ★ Fall 2004 Devon Energy Corporation Continued from page 6 ★ ★ ★ practices to reduce methane emissions. champion the Natural Gas STAR The company is continually open to Program at the operations level where Fall 2004 Natural exploring new emissions reduction the emissions reductions are actually opportunities that are suggested by realized. According to O’Connell, Gas STAR Annual employees and demonstrated by other “Devon’s operations personnel truly Meeting Gas STAR partner companies. understand the goals of our Gas STAR O’Connell is confident in the partner- Program. The guys are out there daily, The Natural Gas STAR Annual ship that has been forged between looking for ways to realize reductions.” Implementation Workshop will be held Devon and EPA and continues to October 25-27, 2004, in Houston, Texas. The workshop will provide Gas STAR partners with an opportunity to obtain information about the most current and cost-effective methane emission reduc- tion technologies and practices and exchange ideas with more than 100 other Natural Gas STAR partner companies. This year's meeting will focus on facility optimization, dehydration technologies, international issues and vapor recovery. The draft agenda for the three-day event is available at ergweb.com/projects/ gasstar_reg/draftagenda04.pdf. To register online, please visit ergweb.com/ projects/gasstar_reg/register04.asp. If you have any questions, please contact Kevin Tingley at email@example.com. Two New PRO Fact Sheets Now Available EPA has developed new PRO fact sheets for the production, transmission, and distribution industry sectors. The new documents describe methane emission reduction technologies reported by Gas STAR partners: ★ Replace Compressor Cylinder Unloaders ★ Gas Well "Smart" Automation System PROs (partner reported opportunities) describe strategies and technologies that companies can implement to further reduce methane emissions and increase operational efficiencies. All of the PRO fact sheets are available online at epa.gov/gasstar/pro/index.htm. Gas STAR would like to thank BP and Great Lakes Gas Transmission for their time and assistance in helping produce these two documents and sharing their emissions reduction activities with their peers. Natural Gas STAR Partner Update ★ Fall 2004 7 Technology Spotlight Use of Micro-Turbine Generators to Reduce Flaring and Minimize Operating Costs and pre-lube pumps to electricity and B P is implementing a unique application of an emerging technology at the company’s Grand Isle Tank Battery, located in Grand Isle, Louisiana, to minimize methane and installing electric pumps to replace blow cases. BP expects to implement these projects as part of the company’s Global Sustainable Greenhouse Gas Reduction Program in 2005. Added Benefits BP's project at the company's Grand Isle Tank Battery is an excellent example of good business decisionmaking and corpo- rate stewardship. The micro-turbine gener- other greenhouse gas emissions and ators provide a long-term solution to ener- significantly reduce operating costs. The As a result of the current plant modifi gy requirements at this tank battery in a manner that practically eliminates a major company installed two highly efficient cations, BP has reduced emissions by waste stream from ongoing operations by micro-turbine generators that utilize pre 8,500 tonnes per year of CO2 equiva converting it to a usable energy source. In viously flared flash gas from the onsite oil lent. The company also lowered its addition, eliminating a visible flare on the storage tanks. These turbines now pro operating costs by $250,000 per year. Gulf Coast resort community of Grand Isle provides intangible benefits to BP as a vide power to the entire plant, virtually Some of the operational cost savings good corporate citizen on the island. eliminating flaring and completely elimi included the reduction of blanket and nating purchased power. instrument gas purchases by more than pressure, low-BTU waste gas from the $12,000 per month and the elimination As a result of the addition of a substan membranes would provide an excellent of electricity purchases of approximately tial, low-cost power source, this facility fuel source for micro-turbine generators. $8,000 per month. BP also estimates was also able to convert several gas- The micro-turbine generators would pro that an additional 750 tonnes per year powered sump pumps to electric vide all of the power and waste heat nec of CO2 equivalent have been reduced power, reducing methane emissions. essary to operate platform processes. at the power plant that previously sup The original gas-powered pumps were plied the facility’s power. For further information on BP’s innovative a source of methane emissions to the applications with micro-turbine genera atmosphere. Results from the micro-turbine genera tors or to share information on the use of tor project at Grand Isle have been Several other options are being investi an emerging technology with the Natural shared with the company’s Deep Water gated at the facility to use the excess Gas STAR Program, please contact Gulf of Mexico and Alaskan operations. power. Potential projects include con Kevin Tingley at firstname.lastname@example.org or New opportunities are being evaluated verting gas-powered turbine starters (202) 343-9086. to replace offshore generator packages with micro-turbine generators. BP pre dicts that these units will significantly reduce fuel consumption, emissions, and operating costs at each offshore complex. BP is currently investigating utilization of permeate gas from gas sweetening membranes to fuel micro-turbine genera tors on new offshore platforms. The low 8 Natural Gas STAR Partner Update ★ Fall 2004 Gas STAR Improves Web In the Site News The Natural Gas STAR Program recently redesigned its Web site to U.S. Natural Gas STAR BP Experiments with improve usability and access to tools Flareless Wells and information resources. The new Program Success Points to site is still located at epa.gov/gasstar. Global Opportunities to Cut BP America has been experimenting with a The most important changes that Methane Emissions Cost- well completion technique that eliminates partners will notice are the additions flaring during coal-bed gas well comple- of two new sections: Frequent Effectively tions. Article published July 14, 2004, and Questions and Accomplishments. available online at durangoherald.com. The worldwide production, processing, transmission, and distribution of natural gas ★ Frequent Questions lists numer- releases as much as 88 billion cubic meters ous questions for those unfamil- (bcm) of methane to the atmosphere annu- iar with the Program. Each ques- ally. This Gas STAR article, published in the tion is linked to a detailed Oil and Gas Journal, outlines potential inter- answer with references and links national project opportunities. Article pub- to supporting documents. This lished July 12, 2004, and available online at epa.gov/gasstar/interops.htm. section can help introduce new employees to the Program and can also provide potential part- dictive systems and feedback con- ners with further information on trols. Automated control systems how Natural Gas STAR can assist them with methane emis- rely on the correlation of historical Q&A and projected demand to variables such as time of day, date, and tem- sions reductions. ★ Accomplishments presents the perature. Automation technology successes of the Natural Gas Q: How can my company reduce gas can reduce system pressure by 15 STAR Program, including emis- sions reduction data for the pro- losses from its distribution sys- to 60 percent in a typical gas distri- duction, processing, transmis- tems? bution system, while potential pres- sion, and distribution industry sure reduction from a manual pres- sectors. It also provides statis- A: One way companies can reduce gas sure regulation program is in the tics on the percentage of U.S. losses is by reducing distribution range of 15 to 20 percent. companies in the natural gas system pressure to more closely industry that participate in the match real-time demand. There are Natural Gas STAR Program and Later this year, EPA will be publish- the Program's yearly goals and two effective options for reducing ing additional information on this actual emissions reductions. distribution system pressure: 1) topic as part of the continuing more frequent manual pressure Additional updates to the Natural Gas Natural Gas STAR Lessons Learned STAR Web site include the merging regulation and 2) installation of series. If you are interested in par- of the Technical Support Documents automated pressure control sys- ticipating in the development of the and Online Tools sections into one tems. Manual pressure regulation new Lessons Learned study on new section entitled Documents, requires technicians to adjust the Tools, and Resources. All resources reducing distribution system pres- that were previously located in these pressure settings of district regula- sure to reduce gas losses, please two sections are still available on the tors to satisfy peak demand over contact Kevin Tingley at new Web site but all centrally located shorter periods, such as quarterly email@example.com. to ease partners' navigation through- or monthly. Automated pressure out the site. control systems use a variety of Have a question for the next As always, please contact Natural techniques to regulate system pres- issue of the Natural Gas STAR Gas STAR with any comments on the sure, ranging from clocks and tim- Partner Update? Contact Kevin Web site. Tingley at firstname.lastname@example.org. ing devices, to more complex pre- Natural Gas STAR Partner Update ★ Fall 2004 9 Program Achievements Gas STAR Partners Exceed Emissions Reduction Target by 17 Percent Production Sector ★ Replacing wet gas seals with dry T he year 2003 was again strong for the Natural Gas STAR Program. Partners reported methane emissions reductions of more than 51.6 billion cubic feet ★ Installing smart lift automated pro duction systems on gas wells ★ Performing green completions ★ Installing vapor recovery units (VRUs) seals Distribution Sector ★ Reducing/downgrading system pressure (Bcf)—an increase of 13.8 Bcf since ★ Installing flares ★ Using hot taps for in-service 2000. This increase resulted from the pipeline connections aggressive implementation of best ★ Using fixed/portable compressors Processing Sector management practices (BMPs) and for pipeline pumpdown ★ Using hot taps for in-service partner reported opportunities (PROs). pipeline connections ★ Eliminating unnecessary Gas STAR partners’ total cumulative equipment ★ Using inert gases and pigs to reductions (since 1990) are more than perform pipeline purges 330 Bcf—equivalent to the greenhouse ★ Replacing gas-assisted glycol The graph below shows that Gas STAR gas emissions reductions associated pumps with electric pumps partners have achieved more emissions with planting more than 40 million acres ★ Eliminating unnecessary equip reductions in the past three years than of trees or removing approximately 29 ment or systems at any other time in the Program’s his million cars from the road for one year. tory. In fact, partners’ reports have Transmission Sector exceeded Gas STAR’s Program goals Between 2002 and 2003, production ★ Using fixed/portable compressors for the past three years. All the credit partners made the greatest strides— for pipeline pumpdown goes to the Gas STAR partners— decreasing emissions by an additional 3 ★ Using composite wrap repair congratulations and keep up the good Bcf. The Program’s processing sector work! partners reported nearly 100 million ★ Using hot taps for in-service pipeline connections cubic feet (MMcf) of new reductions. Reductions reported by transmis sion and distribution partners decreased by approximately 3 Bcf (10 percent) between 2002 and 2003. The majority of 2003’s reductions are attributable to PROs, as has been the case for the last few years. The following are the top PROs for each sector: 10 Natural Gas STAR Partner Update ★ Fall 2004 Oil and Gas Production Technology Verification New Testing Natural Gas STAR is pleased to welcome Partners two new partners this quarter: The ETV Greenhouse Gas Technology Center, operated by Southern Research Institute, is soliciting oil and gas pro- Newfield Exploration Company: Founded in 1989, Newfield is duction technology vendors for inde- an independent crude oil and natural gas exploration and produc- pendent performance verification testing tion company. The company has operations in the Gulf of Mexico, on the following: 1) devices that capture the onshore U.S. Gulf Coast, the Anadarko and Arkoma Basins, China's Bohai Bay, and and utilize or minimize releases of waste the North Sea. Visit the company's Web site at newfld.com. gas from natural gas and crude oil pro- duction processes and 2) advanced nat- Apache Corporation: Approaching its 50th anniversary, Apache ural gas dehydration systems that pro- is a large independent oil and gas exploration and development duce little or no off-gas for flaring or company with operations in the United States, Canada, Egypt, emission to the atmosphere. For more Australia, the United Kingdom North Sea, China, and Argentina. information, contact Tim Hansen, Visit the company's Web site at apachecorp.com. Southern Research Institute, at (919) 806-3456 or email@example.com. Natural Gas STAR Program Manager, Roger Fernandez (right), welcomes Apache Corporation’s President, CEO, and COO, G. Steven Farris, to the Program. Cutting Edge Technology Alert A recent issue of Pipeline and Gas Journal reported on a new natural gas detection system that might be of inter- est to Natural Gas STAR partners. Created by the Eastman Kodak Company, ANGEL (Airborne Natural Gas Emission Lidar) is an aerial imaging service that continuously collects and analyzes data to verify pipeline integrity. The information ANGEL provides allows companies to locate a plume's location and assess its potential impact and accessibility. More information about ANGEL can be found online at: oildompublishing.com/PGJ/pgj_archive/ June04/new%20airborne-06.04.pdf. To share news about other innovative technologies with other Natural Gas partners, contact Roger Fernandez at firstname.lastname@example.org. Disclaimer: The mention of trade names, compa- nies, or commercial products does not constitute endorsement by the U.S. Environmental Protection Agency (EPA). Links to Web sites out- side the EPA Web site are provided for the user's convenience. Natural Gas STAR Partner Update ★ Fall 2004 11 Highlights from Recent Technology Transfer Full meeting proceedings and complete presentations from this Workshops workshop are available online at epa.gov/gasstar/workshops/ Natural Gas STAR conducted two Technology Transfer houston-june8.html. Workshops for the production sector earlier this year. Both Production—Sponsored by Evergreen Resources workshops focused on issues related to cost-effective tech- and SGA nologies and practices that improve operational efficiency and Conducted on June 29, 2004, in Colorado Springs, Colorado, reduce methane emissions. this workshop focused on methane emissions reduction oppor- Offshore—Sponsored by API, Shell, and Rice tunities at natural gas production facilities, particularly for small University and medium sized producers. Highlights included: This workshop, conducted on June 8, 2004, in Houston, Texas, ★ A presentation by Troy Person, from Evergreen Resources, focused on reducing methane emissions from offshore produc- a new Natural Gas STAR partner. The discussion focused tion operations. Highlights included: on the company's reasons for joining the Program, as well ★ A presentation by Jim Robinson, Manager, Sustainable as insight on its plans for implementing Natural Gas Development and HSE for Shell E&P U.S., on the compa- STAR. Evergreen's presentation included past successes ny's experiences in implementing innovative offshore in reducing methane emissions from coalbed methane methane emissions reduction technologies. Shell's pres- production. It also provided the company's perspective on entation described the company's challenges to achieve its how Natural Gas STAR plays a role in demonstrating a climate change goals and offered insight for obtaining company's environmental commitment to the local com- operational and managerial support for those efforts. munity. ★ A presentation by Chris Holmes, Executive Director of the ★ Detailed presentations on methane emissions reduction Shell Center for Sustainability at Rice University, on sus- techniques and practices, including step-by-step decision- tainability and offshore oil and gas production. This pres- making processes for their implementation; cost and ben- entation also included a discussion on gas hydrates as an efit information; and practical, common sense implemen- emerging energy source. tation tips for small and medium producers. ★ Detailed presentations (based on information supplied by Full meeting proceedings and complete presentations from this Natural Gas STAR partners) on various technologies and workshop are available online at epa.gov/gasstar/workshops/ operating practices for reducing methane emissions from colorado-june29.html. offshore operations. Natural Gas STAR Contacts Program Managers Roger Fernandez ★ (202) 343-9386, email@example.com Kevin Tingley ★ (202) 343-9086, firstname.lastname@example.org Natural Gas STAR Program U.S. Environmental Protection Agency 1200 Pennsylvania Ave., NW (6202J) Washington, DC 20460 12 Natural Gas STAR Partner Update ★ Fall 2004