亚化咨询：中国页岩气勘探开发技术装备国产化进展

亚化咨询：中国页岩气勘探开发技术装备国产化进展亚化咨询：中国页岩气勘探开发技术装备国产化进展2015-3-2在企业和科研机构的不懈努力下，过去一年中国在页岩气地球物理、钻井、完井、压裂改造等技术方面不断取得突破，使得气田勘探开发效率和经济性不断提高。水平井单井成本从1亿元下降到5000-7000万元，钻井周期从5-7个月缩至2-3个月，最短的只需33.66天。目前，中国具备了3500米以浅水平井钻井及分段压裂能力，自主研发的压裂车等装备已投入生产应用，连续油管工艺和桥塞等页岩气开发核心技术均实现国产化。中国已经成为继美国和加拿大之后，第三个使用自主技术装备进行页岩气商业开采的国家。页岩气勘探与评价2014年5月，由重庆市地质矿产研究院构建的综合地质评价体系已用于渝东南五峰组-龙马溪组页岩的有利区划分和页岩气资源潜力估算。同时，该院研制的页岩气现场含气量测定仪成功应用于重庆地区页岩气井的现场测试。截至2014年12月中旬，川庆物探通过页岩气地球物理技术研究成果提供的36口页岩气井，经钻探31口获气，获气概率达86%。其中阳201-H2井日产气43万立方米，宁201-H1井日产气13万立方米，该技术起到了支撑页岩气勘探开发的作用。钻井、完井及配套技术与设备2014年，中石化江汉石油工程与江钻公司联合研制了新型的PDC钻头，该钻头能够与国产LWD地质导向技术和国产螺杆完美结合，堪比国外的旋转导向技术。同年，江汉石油工程公司在涪陵焦石坝工区首次应用连续油管光纤产气剖面测试技术获得成功，弥补了单转子式测试工具无法清晰判断各种流体及流速的缺陷。economicalefficiencycontinuesimprove.Horizontalwellsinglewellcostreducesfrom100mnCNYto50-70mnCNY.Drillingperiodhasshortento2-3monthsfrom5-7months,withtheshortestonewhichonlyspends33.66daysCurrently,Chinahas3500metersandlessshallowhorizontalwelldrillingandstagedfracturingability.IndependentR&D’sfracturingtrucksetc.deviceshaveputintoapplication.Coiledtubingtechnologyandbridgeplugetc.keytechniquesrespectivelyrealizedlocalization.Chinahasbecomethethirdcountryuseindependenttechnologyanddevicetodoshalegascommercialexploitation,justbehindUSandCanada.ShaleGasProspection&EvaluationInMay,2014,comprehensivegeologicalevaluationwhichisstructuredbyChongqingInstituteofGeologyandMineralResourceshasusedtoSoutheastChongqingFm-Wufeng-Longmaxishale'sbenefitareadifferentiateandshalegasresourcespotentialevaluation.Meanwhile,gascontenttesterdevelopedbythisinstitutehassuccessfullyappliedinChongqingAreashalewells'fieldtest.UptothemiddleDecember,2014,31of36shalegaswellswhichthroughSCGCshalegasgeophysicaltechnologyresearchfindingsgotgas,theprobabilityof86%.Among,Yang-201-H2Wellshalegasproductionis430,000m3/d,Ning-201-H1Wellshalegasproductionis130,000m3/d.Thetechnologyhaveplayedanimportantroleinsupportingshalegasexploration&developmentWellDrilling,WellCompletionandMatchingTechniquesandDevicesIn2014,SinopecJianghanPetroleumEngineeringandKingdreamPublicCo.,Ltd.jointR&DnewtypeofPDCdrill.ThisdrillcanperfectcombinewithLWDgeologysteeringtechnologyandlocalizationscrew,anditiscomparablewithabroadspinorientationtechnology.Inthesameyear,JianghanPetroleumEngineeringfirstappliedcoiledtubingfiberopticgasproducingprofiletestingtechnologyinFulingJiaoshibaWorkAreaandsucceeded,whichmakeupsinglerotortypetesttool'sfaultwhichcannotclearlyseeandjudgeeachfluidandflowspeed.In2014,ChuanqingDrillingFluidTechnologyServiceCo.achievedmajorbreakthroughindrillingfluidtechnology.InMay,2014,thecompanyR&D'sshalegasoilbaseddrillingfluidfirstdidfieldtestinWei204H1-2Well.Afterthat,thetechnologyisappliedin11shalegaswells,andbreakforeigncountries'monopoly.ThecompanyR&D'sexcellentandfastwaterbaseddrillingfluidtechnologysuccessfullyappliedinWeiyuanBlockSecondRounddrilling,theaveragedrillingperiodis63.1days,reduce28.05%thanthefirstround.InSeptember,2009,HengyangValinSteelTubeCo.,Ltd.R&D'sspecialbucklecasingwhichhasdoublesealingsmoothdowntothewellsinXiangxiShaleGasBlock.Theproductmeetsthecharacteristicsdemandsofshalegasexploitationundercomplicatedgeologicalconditions.InOctober,2014,bridgepluganditsmatchingtechnology,whichisR&DbySinopec,successfullyusedinChongqingFulingShaleGasField,suggestthatChinashalegasdevelopmentkeytechnologyanddevicemanufacturecompletelygetridoftherelianceofforeigncountries,whollyrealizelocalization.FracturingTechnologyandDevicesInMarch,2014,SJPetroleumMachineryCo.,SinopecindependentR&D's3000LevelfracturingtruckwhichhastheworldlargestsinglemachineefficiencyfirstappliedinshalegasfracturingscenewhichislocatedinChuannanCounty,Chongqing.Thedevicehas20%efficiencyhigherthanotherfracturingtrucks,andtheconsumables'lifetimeincreasesmorethan20%.InOctober,2014,PetroleumEngineeringInstitutemicroporoushighefficiencycasingpressure-bearingandsealingtechnologyfirstandsuccessfullyappliedinJiaoShale14-1HFWell,SinopecFulingShaleGasField,whichgetridoftherelianceofothercountries,andgivestrongtechnologysupporttosecurecapacity.Inaddition,inJanuary,2014,JiaoShaleNo.5GasGatheringStation,SinopecFulingShaleGasFieldfirstintelligentializegasgatheringstation,formallyrealize24hunattendedoperation,meettheneedofshalegaslargescaledevelopmentspeedupandefficiencyincrease.ASIACHEMbelievesthat,aimofChinashalegasoutputthatwillreach30bnm3in2020willbringahugemarketopportunitytoChinashalegasmatchingtechnology,engineeringserviceanddevicemanufacturing.Technologyanddevice'slocalizationwillreduceshalegasexploration&developmentcost.Thereduceofcostwillstrengthenthecompetitiveofshalegasandmarketspace,andbringmoreexplorationanddevelopmentpowerandneedoflocalizationtech