【7A文】Shale Gas-Exploitation of a New Resource(页岩气-新能源开发).pptx

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1、ShaleGasExploitationofaNewResourceProf.MichaelJ.EconomidesandProf.ChristineEhlig-Economides©2010ResourceTriangle(FromHolditch)ConventionalReservoirsSmallvolumesthatareeasytodevelopUnconventionalLargevolumesdifficulttodevelopImprovedtechnologyIncreasedpricing

2、3BasinAnalog–Theidea…conventionalunconventionalknownknownUSBasins(Reference)conventionalunconventionalknownunknownInternational/FrontierBasin(Target)BasinAnalogs(modifiedfromSingh,2007)ShaleGasPlaysintheUSMARCELLUSSOHOWBIGISIT???DateAgencyorAuthorRecoverable

3、(TCF)2009Hiscock&Barclay5162008IOGAofNY5002009Engelder4892008DOE2622007Engelder&Lash1682008NCI34.22006USGS312002USGS0.8to30.72005USGS1.3Wrightstone2010CourtesyGregWrightstone,2010THEOTHERSHOWBIGARETHEY???DateAgencyorAuthorRecoverable(Tcf)FAYETEVILLE2009Chesa

4、peake20Barnett2008NPR30Haynesville2010Chesapeake300Wrightstone2010USSHALEINTHEWORLDHowDotheMarcellusandHaynesvilleComparetoOtherGASFieldsWorld-wide?World's10LargestGasFields(2005)Source:IEA2005FieldNameTcf1.NorthField-SouthPars(Iran)1,4002.Urengoy(Russia)222

5、3.Yamburg(Russia)1234.HassiR'Med(Algeria)1235.Shtokman(Russia)1106.Zapolyarnye957.Hugoton818.Groningen739.Bonavenko7010.Medvezhye68300-500Tcf8MultipleTransverseFracturesIntersectingaHorizontalWellHorizontalWellsandGasShaleFormationsLargenumberoftransversefra

6、cturesTreatmentplacementisimportantOpen-holejettingCasedholeperforating/jettingPlannedOftenRealizedOptimizedFromSchlumberger10Exampleofjetcuttertoolwith6holeslongitudinallydisposed,180°phasedina4”sectionExampleofjetcuttertoolwith4holesradiallydisposed,90°pha

7、sedAbrasiveJetCutterMicroseismicMappingFromSchlumbergerBaihlyetal.,2007,SPE110067MicroseismicViewduringFracturingPadDrillingPilotwellDrillPadsmink,cLMultiwellMultistageTransverseHydraulicFracturingPilotwellsmink,cLKeyTasksDataanalysisModeldevelopmentWellDesi

8、gnandFieldDevelopmentDataacquisitionCottonValleyTightGasExample163/2slopeFractureClosingDt=1hrDp=917psiDm(p)=3.9x108psi2/cpDp’=2,985psiDm(p)’=1.35x109psi2/cpFractureClosureA.C.1/2SlopeLinearFlow