林甸地区登娄库组层序地层格架与油气前景
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摘要
应用陆相湖盆层序地层学的理论和方法,综合利用地震、测井、岩芯等资料,对松辽盆地北部林甸地区登娄库组三级层序内的最大湖泛面和首次湖泛面进行识别。建立了登娄库组地层格架,并划分为3个体系域。其识别标志为地震、露头、测井等资料上的特征,层序的体系域为LST、TST、HST。在此基础上,研究了登娄库组层序形成的主要控制因素,即构造断裂活动、气候条件、湖平面升降和物源供应。林甸地区登娄库组作为勘探接替层段,具有良好的油气勘探前景。
Using the theories and methods of sequence stratigraphy in lake basins,seismic,logging and drilling core data of the Denlouku Formation in the Lindian area of the Songliao Basin are analyzed in order to understand its sequence stratigraphy.Boundaries and maximum flooding surfaces and established sequence stratigraphic framework of the Denlouku Formation are identified sequence.It can be divided into three systems tracts.Data used in the sequence and systems tract identification include seismic data,outcrop data,and logging data.Systems tracts in sequence include LST,TST,and HST.On this basis,main control factors of Denlouku Formation,namely,tectonic activity,weather conditions are studied,go up and down of lake level and source supplies.Denlouku Formation in the Lindian area has good oil gas exploration prospects as a transitional layer.
Using the theories and methods of sequence stratigraphy in lake basins,seismic,logging and drilling core data of the Denlouku Formation in the Lindian area of the Songliao Basin are analyzed in order to understand its sequence stratigraphy.Boundaries and maximum flooding surfaces and established sequence stratigraphic framework of the Denlouku Formation are identified sequence.It can be divided into three systems tracts.Data used in the sequence and systems tract identification include seismic data,outcrop data,and logging data.Systems tracts in sequence include LST,TST,and HST.On this basis,main control factors of Denlouku Formation,namely,tectonic activity,weather conditions are studied,go up and down of lake level and source supplies.Denlouku Formation in the Lindian area has good oil gas exploration prospects as a transitional layer.
引文
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5李占东,卢双舫,周件林.海拉尔盆地贝西斜坡北部白垩系南屯组层序界面识别与地层格架研究.地层学杂志,2009;33(2):169—176
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9王生朗,马维民,竺知新,等.银根—额济纳旗盆地查干凹陷构造-沉积格架与油气勘探方向.石油实验地质,2002;24(4):297—298
10周琦,王建国,杜鸿烈.塔东南坳陷侏罗系层序地层分析与油气前景.沉积学报,2000;18(4):580—584
2顾家裕,郭彬程,张兴阳.中国陆相盆地层序地层格架及模式.石油勘探与开发,2005;32(5):11—14
3操应长,姜在兴,王留奇,等.陆相断陷湖盆层序地层单元的划分及界面识别标志.石油大学学报(自然科学版),1996;20(4):1—5
4 Braithwaite C J R.Cement sequence stratigraphy in car-bonates.Jour-nal of Sedimentary Petrology,1993;63(2):295—303
5李占东,卢双舫,周件林.海拉尔盆地贝西斜坡北部白垩系南屯组层序界面识别与地层格架研究.地层学杂志,2009;33(2):169—176
6郭彦如,于均民,樊太亮.查干凹陷下白垩统层序地层格架与演化.石油与天然气地质,2003;23(2):167—169
7张冬玲,鲍志东,杨文秀.准噶尔盆地侏罗系层序地层格架的建立及主控因素分析.大庆石油学院学报,2005;29(2):10—12
8林春明,冯志强,张顺,等.松辽盆地北部白垩纪超层序特征.古地理学报,2007;9(6):619—634
9王生朗,马维民,竺知新,等.银根—额济纳旗盆地查干凹陷构造-沉积格架与油气勘探方向.石油实验地质,2002;24(4):297—298
10周琦,王建国,杜鸿烈.塔东南坳陷侏罗系层序地层分析与油气前景.沉积学报,2000;18(4):580—584
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