An implicitly coupled hydro-geomechanical model for hydraulic fracture simulation with the discontinuous deformation analysis

《An implicitly coupled hydro-geomechanical model for hydraulic fracture simulation with the discontinuous deformation analysis》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、InternationalJournalofRockMechanics&MiningSciences73(2015)82–94ContentslistsavailableatScienceDirectInternationalJournalofRockMechanics&MiningSciencesjournalhomepage:www.elsevier.com/locate/ijrmmsAnimplicitlycoupledhydro-geomechanicalmodelforhydraulicfracturesimula

2、tionwiththediscontinuousdeformationanalysisnWilliamE.Morgan,MustafaM.AralMultimediaEnvironmentalSimulationsLaboratory,SchoolofCivilandEnvironmentalEngineering,GeorgiaInstituteofTechnology,Atlanta,Georgia,30332,USAarticleinfoabstractArticlehistory:Inthisarticlewepre

3、sentandverifyanalgorithmformodelinghydraulicfracturingincomplexfractureReceived27February2014geometries.ThemethodisbuiltuponanexistingmodelwhichusesthediscontinuousdeformationReceivedinrevisedformanalysisforsimulationofrockmechanicsanduponafinitevolumefracturenetwor

4、kmodelfor23September2014simulationofcompressiblefluidflowinfractures.Improvementsaremadetothefluid,contactandAccepted26September2014couplingcomponentsoftheexistingalgorithmtoincreaseitsaccuracyandstability.ThemodelisAvailableonline14November2014successfullybenchmarked

5、againsttheanalyticalsolutionfortheopeningprofileofaninternallyKeywords:pressurizedGriffithfracture,andagainstthesemi-analyticalsolutionforthepressureandopeningHydraulicfracturingprofileofabi-winghydraulicfracturepropagatingunderconditionsofnoleakoffandnotoughness.Frac

6、turenetworkAdditionally,themodelisverifiedthroughcomparisonwiththeresultsofahydraulicfracturingDiscontinuousdeformationanalysisexperimentthatexaminedpropagationofahigh-viscosityfracturingfluidinanimpermeablemedium.Implicitcoupling&2014ElsevierLtd.Allrightsreserved.Hy

7、dro-geomechanicalmodel1.Introductionexplicitmethodsfortimeintegration.Similarly,intheseapplica-tionsthefluidmechanicsprocedureisalsosolvedusingexplicitHydraulicfracturingisatechniquewidelyusedintheenergytechniques.Althoughthesemethodscansuccessfullymodelfrac-industr

8、yforincreasingthepermeabilityofnaturalgasandturingincomplexgeometries,theuseofexplicitmethodsfortimegeothermalsystems.Inatypicalhydraulicfracturi