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Green Completions the Standard in Barnett Shale

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PIPELINES AND GREEN COMPLETION FOR NATURAL GAS
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  Text-only versionThis is Google's cache of http://www.dvn.com/CorpResp/initiatives/Pages/GreenCompletions.aspx. It is a snapshot of the page as itappeared on Sep 2, 2014 13:19:25 GMT. The current page could have changed in the meantime. Learn more Tip: To quickly find your search term on this page, press Ctrl+F  or -F  (Mac) and use the find bar.  Devon About DevonOperationsInvestor RelationsCorporate GovernanceNewsroomCorporate Social Responsibility Achievements Air Water LandSafetyEnvironmental, Health + SafetyCommunity RelationsCareersRoyalty/Interest OwnersEthics and Compliance HelplineGo SearchHeader Print Version >Using a process known as a green completion, Devon has reduced methane emissions by more than 25 billioncubic feet in the Barnett Shale area of north Texas.Green completions have been Devon’s standard practice in the Barnett Shale since 2004. The company uses thesame process to complete wells in New Mexico, Wyoming, Oklahoma and south Texas.Green completions take place during the clean-up stage of the completion, after a well has been hydraulicallyfractured. The clean-up involves removing the water necessary to fracture the well. During this flow back, naturalgas is produced with the water. What makes the well completion “green,” or environmentally friendly, is that the gasis separated from the water and placed in a pipeline instead of being released to the atmosphere.First, a sand separator (shown at right in this photo) filters out any sand,sending it through a 2-inch pipe into the disposal tank. That filteringleaves a mixture of natural gas and water. The second piece of equipment (in the left side of this photo) separates the water, which thenreunites with the sand in the disposal tank. The gas, meanwhile, isdiverted into a separate pipe and eventually is sent by pipeline to aprocessing plant.This process is repeated on Devon’s typically rural leasehold in theBarnett Shale. Years ago, green completions were so uncommon thatDevon had to look as far as Wyoming to rent the necessary filtering Green completions the standard in Barnett Shalehttp://webcache.googleusercontent.com/search?q=cache:JkDiLp...1 of 39/7/2014 5:39 AM  equipment. Now, nearly 4,000 green completions later, that rental equipment is available readily and locally.Green completions are possible largely because of a team meeting conducted each Friday at Devon’s field office inBridgeport, Texas. During that meeting, Devon employees representing various areas of expertise discuss thestrategy and timing necessary to coordinate pipeline construction and well completions.The goal is to have a pipeline in place by the scheduled date of the final frack job on any given well. This eliminatesa potential delay that could prevent a green completion. You have to have a pipeline in place to perform a green completion,” said Jay Ewing, who oversees Devon’s wellcompletions in the Barnett Shale. Our luxury here is that we own our own pipeline. That gives us the flexibility tocoordinate well completions with pipeline construction. Devon performs green completions voluntarily. The procedure generally is not required in the Barnett Shale exceptin the city of Fort Worth and at Dallas Fort Worth International Airport. The vast majority of Devon’s Barnett Shalewells are outside those locales.We perform green completions because of two core values that are key to Devon’s success: Always do the rightthing, and be a good neighbor. In the case of our green completions practice, it is the right thing for the environment,for the community and for our shareholders. More Canada Sustainability Part 1Canada Sustainability Part 2Canada Sustainability Part 3Cana Water RecyclingNew Mexico PreservationWater Sustainability PrinciplesFrac FocusSafety CultureSafety CommitmentNew Mexico WildlifeMulti-well PadsHydraulic FracturingGreen CompletionsLow-Emissions ValveEmissions ReductionSage GrouseHouse Creek   SitemapGlossaryContactsLegal NoticeTerms of UseEthics and Compliance Helpline Green completions the standard in Barnett Shalehttp://webcache.googleusercontent.com/search?q=cache:JkDiLp...2 of 39/7/2014 5:39 AM  @ 2008 Devon Energy Corporation. All Rights Reserved. Green completions the standard in Barnett Shalehttp://webcache.googleusercontent.com/search?q=cache:JkDiLp...3 of 39/7/2014 5:39 AM
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