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1、石油与天然气地质第28卷第5期OIL&GASGEOLOGY2007年10月文章编号:0253-9985(2007)05-0628-06层序地层学与成藏动力学的耦合及在油气勘探中的意义1123刘敬强,田世澄,焦勇,张汝祥(11中国地质大学,北京100083;21中国石油华北油田分公司物探院,河北任丘062552;31中国石油华北石油管理局燃气处,河北任丘062552)摘要:层序地层格架和成藏动力系统都以地层沉积的多期旋回性作为层序或子系统划分的依据。文章讨论了层序地层格架与成藏动力系统在划分上的耦合,指出最大洪泛面既是层序地层格架中的重要界面又是成藏动力系统子系统划分的界面;探讨了层序地层
2、中的体系域与成藏动力子系统在成藏条件包括烃源灶、侧向疏导体系、封盖层、隐蔽圈闭等方面的关系,指出了生、运、聚等成藏作用研究在应用层序地层学寻找隐蔽油气藏中的重要作用,强调遵循“油气从源岩到圈闭”的思路是应用层序地层学技术寻找隐蔽油气藏的灵魂。关键词:耦合;界面划分;子系统;体系域;成藏动力学;层序地层学中图分类号:TE111.3文献标识码:ACouplingofsequencestratigraphyandhydrocarbonaccumulationdynamicsanditssignificanceinpetroleumexploration1123LiuJingqiang,Tian
3、Shicheng,JiaoYong,ZhangRuxiang(1.ChinaUniversityofGeosciences,Beijing100083,China;2.InstituteofGeophysicalExploration,HuabeiOilfieldCompany,PetroChina,Renqiu,Hebei062552,China;3.GasDepartment,HuabeiPetroleumAdministrationBureau,PetroChina,Renqiu,Hebei062552,China)Abstract:Bothsequencestratigraphi
4、cframeworksandhydrocarbonreservoiringdynamicsystemsemploythemulti2cyclicityofstratigraphysedimentationasthebasisofsequenceorsubsystemdivision.Thisarticlediscussesthecou2plingofsequencestratigraphicframeworksandhydrocarbonreservoiringdynamicsystemsandpointsoutthatthemax2imumfloodingsurfacenotonlys
5、ervesastheimportantboundaryinsequencestratigraphicframeworks,butalsoactsastheboundaryfordividingsubsystemsinthehydrocarbonreservoiringdynamicsystems.Itanalyzestherelationshipbe2tweenthesequencestratigraphysystemtractsandhydrocarbonreservoiringdynamicsubsystemsintermsofhydrocar2bonaccumulationcond
6、itions,whichincludesourcekitchens,lateralcarriersystems,sealingsandsubtletraps.Italsostressestheimportanceofresearchonoilandgaspoolingprocesses,suchashydrocarbongeneration,migrationandaccumulationinsubtlereservoirexplorationbyusingsequencestratigraphytheories.Moreover,itemphasizesthata2bidingbyth
7、econceptof“hydrocarbonfromsourcerockstotraps”isessentialtotheapplicationofsequencestratigra2phytechnologiesintheexplorationofsubtlereservoirs.Keywords:coupling;interfacedivision;subsystem;systemtract;hydrocarbonaccumul
