【7A文】Shale Gas Reservoir Production and Exploitation Strategy(页岩气藏的生产和开发战略).ppt

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1、ShaleGasReservoirProductionandExploitationStrategyHorizontalWellswithTransverseFracturesDesignEconomidesConsultantsExperienceonShaleGasandRelatedTechnologiesLedteamonfirsthorizontalwellwithmultipletransversefractures(DowellSchlumberger,1987)Developedfirstdesigntechniquesforexecutingtra

2、nsversefracturesinHW(1989)WorkedasadvisortoMaerskintheNorthSeaformultiplefracturesinhorizontalwells(1989-1993.)Experience(continued)Pioneeredwellcompletionsandzonalisolationtechniquesofvaryinglevelsofcomplexity(MaerskandBaker)(1989-1993)WorkedwithWesternServicesonhorizontalwelltechnolo

3、giesonallfacetsofthebusiness(1990-1995)WorkedonanumberofhorizontalwellprojectsincludingfracturingbothtransverselyandlongitudinallyinVenezuela(1989-1999)Experience(continued)ExecutedthefirsteverhorizontalwellwithmultiplefracturesinAlgeria(2005)andPakistan(2006)Trainedmorethan6,000engine

4、ersworldwideonsubject.Workedrecentlyontwoshaleprojectsinanalyzingfielddataanddesigningfractures(AlbanyShaleandHaynesville)Experience(continued)Appointedco-chairofSPEshalegasmeetingFirsttoidentifywaterasproppant,showingnotnecessitytode-waterfracturesDevelopedthefirstevercomprehensivedes

5、ignforhorizontalwellswithmultiplehydraulicfracturesforshalegas.OutlineBackgroundonShaleGasFlowBehaviorSpreadsheetWellDesignProgramExamplesConclusionsPotentialworkBackgroundonShaleGasFlowBehaviorCharacterizationsofShaleGasReservoirsDescriptionofAdsorptionHorizontalWellswithTransverseFra

6、cturesDesorptionEffectonPressureandProductionBehaviorsCharacterizationsofShaleGasReservoirsLowporosity(usuallysmallerthan10%)Lowpermeability(usuallyin10-4md(100nd)level)NaturalfracturesoccurLargeamountadsorbedgasLowrecoveryfactorGasStorageMechanismsShalesolidmatrixFreegasAdsorbedgasNat

7、uralfractures(porosity2)matrixmatrixMatrixpores(porosity1)MatrixparticlesAdsorbedgasOnparticlesurface(porosity3)GasFlowMechanismsGasdesorptioninmatrixporesandfracturesAdsorbedgas&freegasflowinmatrixporesAdsorbedgas&freegasflowinfracturesFreegasflowinmatrixporesystemFreegasflowinfract