渤海湾油区石油储量、产量增长的特点与潜力

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1、渤海湾油区石油储量、产量增长的特点与潜力第28卷第4期2007年7月石油ACTAPETR0LEISINICAVo1.28No.4July2007文章编号:0253—2697(2007)04—0016—05渤海湾油区石油储量,查产量增长的特点与潜力全衡(中国石油天然气集团公司咨询中心北京100724)摘要:渤海湾油区已发现第三系,中生界,古生界和元古界多个石油系统.其中,第三系石油系统是近50多年来勘探开发的重点,已形成了辽河,大港(含冀东),胜利,冀中,中原和海域6个亚油区.根据勘探起始点,油气发现点,储量六成点和产量高峰点四者相互时间间隔的不同,可将上述亚

2、油区分为"快热","中热"和"慢热"3种类型;它们的储量,产量高峰相互错列叠置,使全油区储量,产量午增长曲线呈现"多峰"的特点.目前,全油区尚处在"勘探中期",有一半以上的资源量有待转化成储量,其中,大港和海域两个亚油区是今后"增储上产"的重点.预测全区石油年产量,在2030午以前保持在6000×10t以上,2031~2050午保持在5000×10t以上是具备资源基础的.前第三系3个石油系统也具有一定的勘探前景.关键词:油区;亚油区;储量;产量;潜力;渤海湾中图分类号:TE16文献标识码:AGrowthandpotentialofoilinplaceandp

3、roductionintheBohaiBaypetroleumregionZhaQuanheng(ChinaNationalPetroleumCorporationAdvisoryCenter,Beijing100724,China)Abstract:AseriesofpetroleumsystemshavebeendiscoveredinBohaiBaypetroleumregion,includingtheTertiary,theMesozoic,thePaleozoicandtheProterozoic.Amongthesesystems,theTer

4、tiaryisthemaintargetforhydrocarbonexplorationandproductioninthepast50years,andsixpetroleumsub—regionshavebeenproved,thereareLiaohe,Dagang(includingJidong),Shengli,Jizhong,ZhongyuanandSeaarea.Accordingtothetimeintervalbetweenfourmilestonesincludingtheinitialpointofexploration,thedis

5、cov—erypointofhydrocarbon,the60%pointofoilinplace(OIP),and.thepeakofannualproduction,theexplorationandproductionprocessofallofthesub—regionsmentionedabove,canbecategorizedintothreetypesincludingfastmaturation,medium—ratematura—tion,andslowmaturation.AstheproductionandOIPgrowthcurve

6、sofsixsub—regionsarestackedtogether,itisveryclearthatthetimeofpeakOIPandthatofpeakproductionforthosesub—regionsareatdifferenttimeintervals,andmadethegrowthcurvesofBo—halBaypetroleumregionformamulti—peaktype.TheTertiarypetroleumsystem,rightnow,isstillina"mid—stageofexploration".A—bo

7、utmorethanhalfoftheresourceshavenotyetturnedintoOIP.Inallsub—regions,theDagangandtheSeaareasub—regionswouldbethemainareaforthegrowthofOIPandproductioninthenearfuture.Thefutureannua1crudeoi1productionisestimatedtokeeparateofmorethan60milliontonsperyearbefore2030and50milliontonsperye

8、arin2031—2050,andtheresour