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时间:2020-01-13
《“盆”“山”耦合在异常高压盆地流体研究中的应用.pdf》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、第34卷第3期石油雾劈沾届Vo1.34,No.32012年5月PETRoLEUMGEoLoGY&EXPERIMENTMay,2012文章编号:1001—6112(2012)03—0223—11“盆"“山"耦合在异常高压盆地流体研究中的应用吴根耀,梁江平,杨建国,朱德丰,陈均亮,申家年。(1.中国科学院地质与地球物理研究所,北京100029;2.大庆油田有限责任公司勘探开发研究院,黑龙江大庆163712;3.东北石油大学地球科学学院,黑龙江大庆163318)摘要:这是以“盆”“山”耦合理论指导盆地异常高压研究的首次尝
2、试。异常高压的成因和分布特征主要取决于区域构造应力场。在挤压型盆地中形成异常高压的主控因素是挤压应力和天然气(油气)充注,异常高压呈平行造山带的(宽)带状或连续的面状分布:拉张型盆地和剪切一拉分盆地的主控因素是热作用。异常高压在拉张型盆地中为散点状或被分隔的面状分布,在剪切型盆地中呈点状或散点状分布。不同类型的盆地内断裂的产状不同,决定了异常高压有不同的传导方向,挤压一反转时异常高压的保存或释放(泄压)也各具特点。这为“盆”“山”耦合从指导盆地动态演化的研究发展引伸为指导储层和流体动态演化的研究跨出了重要的一步。关
3、键词:异常高压;成因;分布;传导;保存;“盆’’‘山”耦合中图分类号:TEl21.1文献标识码:AApplicationofbasin—Or0genycouplinginstudyofabnormallyhighpressuredbasinfluidsWuGenyao,LiangJiangping,YangJianguo,ZhuDefeng,ChenJunliang,ShenJianian。(1.InstituteofGeologyandGeophysics,ChineseAcademyofSciences,Bei
4、jing100029,China;2.ExplorationandDevelopmentResearchInstituteofDaqingOieldCompanyLtd.,Daqing,Heilongfiang163712,China;3.Schoolof如Sciences,Noahe~tPetroleumUniversity,Daqing,Heilongfiang163318.Cina)Abstract:Thebasin—orogenycouplingtheorywasappliedtostudytheabnor
5、mallyhighpressureinbasinforthefirsttimeinthispaper.Theformationanddistributionofabnormallyhighpressurewerecontrolledbyregionalstressfields.Incompressedbasins,thekeycontributingfactorsforabnormallyhighpressurewerecompressivestressandchargingofnaturalgas(oroil—g
6、as),wheretheabnormallyhighpressuredistributedzonalyorplanar-ly.Inextendedandpull-apartbasins,theabnormallyhighpressurewasmainlyresultedfromthermalactivities.Inextendedbasins,theabnormallyhighpressuredistributedintheshapeofscatteredpointsorrestrictedplanes,andi
7、tdistributedpointedlyorintheshapeofscatteredpointsinshearedbasins.Thereverse,normalandstrike—slipfaultshaddifferentoccu~ences,whichdecidedtheobliqueorverticalconductionsofabnormallyhighpre-ssure.Thereweredifferentwaysforpressurereservationorreleasingincompress
8、ionorreversion.Fromthedy—namicevolutionofbasintothedynamicevolutionofreservoirandfluid,itwasanimportantstepfortheapplica·tionofbasin-orogenycouplingtheory.Keywords:abnormallyhighpr
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