資源描述:
《大規(guī)模多級水力壓裂技術(shù)在頁巖油氣藏開發(fā)中的應(yīng)用.pdf》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、第39卷第3期石油鉆探技術(shù)Vo1.39No.32011年5月PETR0LEUMDRILLINGTECHN1QUESMay,2011..頁巖氣鉆井完井技術(shù)專題doi:10.3969/j.issn.1001—0890.2011.03.002大規(guī)模多級水力壓裂技術(shù)在頁巖油氣藏開發(fā)中的應(yīng)用莫里斯·杜索爾特,約翰·麥克力蘭,蔣恕。(1.滑鐵盧大學(xué)地球和環(huán)境科學(xué)系,安大略滑鐵盧N2L3G1;2.猶他大學(xué)化學(xué)工程系,猶他鹽湖城84108;3.猶他大學(xué)能源與地學(xué)研究院,猶他鹽湖城84108)摘要:北美地區(qū)頁巖氣開發(fā)已經(jīng)商業(yè)化,開發(fā)技術(shù)也逐步趨于成熟,而中國雖然有豐
2、富的頁巖氣資源,但由于起步較晚,目前還處于探索階段。有效開采頁巖氣通常需要在水平井中實(shí)施大規(guī)模的多級水力壓裂,提出了低滲油氣藏大規(guī)模水力壓裂的關(guān)鍵巖石力學(xué)原則,介紹了微地震技術(shù)在水力壓裂監(jiān)測中的應(yīng)用,并用離散單元法建立的數(shù)學(xué)模型對水力壓裂的效果進(jìn)行了評價,分析了中國頁巖油氣藏水力壓裂方案優(yōu)化的地質(zhì)因素,并對大規(guī)模水力壓裂的可持續(xù)性發(fā)展提出了一些建議。關(guān)鍵詞:多級水力壓裂巖石力學(xué)頁巖氣頁巖油低滲透油氣藏中國盆地中圖分類號:TE357.1文獻(xiàn)標(biāo)識碼:A文章編號:1001—0890(2011)03—0006—1iMassiveMulti—StageHyd
3、raulicFracturingforOilandGasRecoveryfromLowMobilityReservoirsinChinaMauriceDusseault,JohnMcLennan,ShuJiang。(1.DepartmentofEarthandEnvironmentalScience,iversityofterloo,terloo,Ontario,N2L3Gl,Canada;2.DepartmentofChemicalEngineering,UniversityofUtah,SaltLakeCity,Utah,84108,UsA;3
4、.Ener—gy&GeoscienceInstitute,LiversityofL口^,SaltLakeCity,L口^,84108,USA)Abstract:ProductionofgasandhydrocarbonliquidsfromlowpermeabilityshaleshasbeenestablishedinNorthAmerica:explorationanddevelopmenthasacceleratedinEuropeandinChina,andgenericopportunitiesinChinaarepostulated.C
5、urrently,effectiveproductionrequiresmultiplehydraulicfracturingstagesusuallyinhorizontallydrilledwells.Keygeomechanicalprinciplesrelatingtotheresponseofthesereservoirstolargevolumehydraulicfracturingarepresented.Geologicreasonswhyhydraulicfracturingtreatmentschedulesmayneedtob
6、erefinedforsomeshaleplaysinChinaareoutlined.Finally,froma1onger-termperspective,sustainabilityoftheselargevolumetreatmentsisconsideredandmodificationsandalternativesaresuggested.Keywords:Massivemulti—stagehydraulicfracturing;geomechanies;shalegas;shaleoil;lowpermeabilityreser—
7、voirs;Chinesebasinshasacceleratedeverywhere,particularlyinChina.Someofthegeologicfeaturesthatmayrequirerevisedtreat—1IntroductionmentphilosophiesintheseChinesebasinsarehypothe—sized.Finally,recognizingsomeofthegeomechanicalProductionofgasandoilfromshalesisnotnew.Inandsocio—eco
8、nomicdifficultiesassociatedwithMMHF,NorthAmerica,Devonianshal