大庆油田采油工程面临的难题和技术发展方向

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1、2009年lO月大庆石油地质与开发Oct．，2009第28卷第5期PetroleumGeologyandOilfieldDevelopmentinDaqingV01．28No．5DOI：10．3969／J．ISSN．1000—3754．2009．05．031大庆油田采油工程面临的难题和技术发展方向刘合(大庆油田有限责任公司，黑龙江大庆163453)摘要：大庆油田开发50年来，采油工程技术不断发展完善，为油田可持续发展提供了有效支撑。在原油4000X10t持续稳产的新形势下，采油工程还存在一系列突出问题：厚油层内低效无效注水循环严重，外围已开发油田措施效

2、果逐年变差，强碱三元复合驱采出井检泵周期短，海拉尔复杂断块油田增产改造成功率低，现有压裂液及工艺管柱还无法满足深层气井压裂需要，举升系统能耗大和节能产品应用规模小。采油工程系统需要理清攻关思路，明确技术发展方向，在老区油田控制无效注水、外围油田提高单井产能、三元复合驱延长举升系统检泵周期、海拉尔油田提高压裂成功率、深层气井不断提高压裂工艺指标和举升系统节能降耗等方面下大力气，努力发展适应新形势的采油工程新技术。关键词：大庆油田；采油工程；难题；发展方向中图分类号：TE355文献标识码：A文章编号：1000—3754(2009)05-0186-06THE

3、CHALLENGEANDTECHNICALTRENDoFPETROLEUMENGINEERINGINDAQINGOILFIELD(DaqingOilfieldCompanyLtd．，Daqing163453，China)Abstract：Duringthe50years’developmentofDaqingOilfield，petroleumengineeringtechnologywascontinuous·lydevelopedandimproved，whichprovidesaneffectivesupportforsustainabledev

4、elopmentofDaqingOilfield．Underthenewrequirementofkeepingoilstableproductionof40×10。t，thereisstillaseriesofchallengesinpe—troleumengineering：(1)severelow—efficientandinefficientwatercirculationinthickreservoir；(2Jdecliningef-fectivenessofdevelopmentmeasuresinperipheraldevelopedfi

5、eld；(3)shortpumpinspectionintervalforthepro—ductionwellofStrongBaseASPFlooding；(4)lowSuccessratioofstimulationtreatmentinHailarcomplexfaultblockoilfield；(5)existingfracturing—fluidandprocesspipestringareunabletomeettherequirementoffracturingindeepgaswells；(6)thehighenergyconsump

6、tionofliftingsystemandthesmall—scaleapplicationofenergysay—ingproducts．Petroleumengineeringsystemshouldbeimprovedinthefollowingaspects，includingmakingthere—searchthoughtsclear，clarifyingthetechnicaldevelopmenttrendIcontrollingtheinefficientwaterinjectioninthemainfield，improvingt

7、hesinglewellproductivityintheperipheralfield，extendingthepumpinspectionintervalofliftingsystemforASPFlooding，improvingthesuccessratiooffracturinginHailarOilfield，continuouslyimprovingthefracturingindexofdeepgaswells，savingenergyanddecreasingconsumptionforliftingsystem，andmakinge

8、f-fortstodevelopnewflexiblepetroleumengineering