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1、SPE145454GameChangingTechnologyforTreatingandRecyclingFracWaterJohnW.Ely,SPE,ElyandAssociates;AaronHorn,SPE,Hydrozonix;RobbieCathey,EcosphereEnergyServices;Dr.MichaelFraim,SPE,TexasA&MUniversity;SanjeevJakhete,SPE,ConsultanttoEcosphereTechnologiesCopyright2011,SocietyofPetro
2、leumEngineersThispaperwaspreparedforpresentationattheSPEAnnualTechnicalConferenceandExhibitionheldinDenver,Colorado,USA,30October–2November2011.ThispaperwasselectedforpresentationbyanSPEprogramcommitteefollowingreviewofinformationcontainedinanabstractsubmittedbytheauthor(s).
3、ContentsofthepaperhavenotbeenreviewedbytheSocietyofPetroleumEngineersandaresubjecttocorrectionbytheauthor(s).ThematerialdoesnotnecessarilyreflectanypositionoftheSocietyofPetroleumEngineers,itsofficers,ormembers.Electronicreproduction,distribution,orstorageofanypartofthispape
4、rwithoutthewrittenconsentoftheSocietyofPetroleumEngineersisprohibited.Permissiontoreproduceinprintisrestrictedtoanabstractofnotmorethan300words;illustrationsmaynotbecopied.TheabstractmustcontainconspicuousacknowledgmentofSPEcopyright.AbstractThispaperaddressesanadvancedoxida
5、tionandprecipitationwatertreatmentprocessemployedasanon-the-flyfluidpretreatmentduringhydraulicfracturingoperations.Thewatertreatmenttechnologywillallowforsubstantialreuseofflowbackandproducedfluidwhileatthesametimecompletelyreplacingliquidbiocideandscaleinhibitorfluidtreatm
6、entduringfracs.Additionally,thetreatmentprocessgenerateszerowaste.Todate,thetechnologyhasbeenusedonhundredsofwellssuccessfullytreatingover17millionbarrels.Thepaperwillreportonmorethan2yearsoffieldoperationsonhundredsoffracstimulationsaswellasnumerouspilotoperationsinmultiple
7、shaleplays.Dynamictube-blockingtestsshowthatthetreatedfluidwillnotdepositscaleevenafterdaysofstorageinanopenfractank.Fieldsampletestingshowstheinjectedbrinehas3to6log-cyclekillofsulfate-reducingandacid-producingbacteriapopulations.Withthemovetowardenvironmentallysafechemical
8、s,aneconomicalprocesseliminatingchemicalsisastepforwardforourindustry.Theeq
