北黄海盆地西部坳陷地层与沉积特征
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摘要
西部坳陷位于北黄海盆地西部,是盆地6个彼此分割的二级构造单元之一。从实际地震资料出发,结合区域地质及盆地东部钻井资料,运用地震地层学、层序地层学等方法,对西部坳陷的地层发育及分布特征、沉积环境及沉积相等进行了初步分析,认为本坳陷具东西双断的三层结构特征,发育上侏罗统、下白垩统、始新统、渐新统、新近系等地层,中新生代沉积巨厚,最厚达10 200 m,以河—湖—三角洲等陆相沉积为主,具有较好的油气条件及资源前景。
There are four depressions and two bulges in the North Yellow Sea Basin.The Western Depression is studied in this paper.Stratigraphy,sedimentary environments and sedimentary facies were studied based on regional geology,wells in Eastern Depression and more than 4 500 km seismic data.There occur three super sequences in the Western Depression,including the upper-Jurassic,lower-Cretaceous,Eocene,Oligocene,Neogene and Quaternary.They are all terrestrial deposits including fluvial,lacustrine and deltaic facies mainly.The total thickness is up to 10 200 metres.There is great petroleum resource potential.
There are four depressions and two bulges in the North Yellow Sea Basin.The Western Depression is studied in this paper.Stratigraphy,sedimentary environments and sedimentary facies were studied based on regional geology,wells in Eastern Depression and more than 4 500 km seismic data.There occur three super sequences in the Western Depression,including the upper-Jurassic,lower-Cretaceous,Eocene,Oligocene,Neogene and Quaternary.They are all terrestrial deposits including fluvial,lacustrine and deltaic facies mainly.The total thickness is up to 10 200 metres.There is great petroleum resource potential.
引文
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[11]Massoud M S.Oil source rock potential of the Lacustrine Ju-rassic SIM UUJU formation,West Korea Bay Basin[J].Jour-nal of Petroleum Geology,1993,16(3):265-284.
[2]赖万忠.黄海海域沉积盆地与油气[J].海洋地质动态,2002,18(11):13-16.[LAI Wanzhong.Sedimentary basins and petrole-um of the Yellow Sea[J].Marine Geology Letters,2002,18(11):13-16.]
[3]吴琳,许红,何将起,等.北黄海盆地与朝鲜安州盆地和中国胶莱盆地的对比[J].海洋地质动态,2004,20(8):22-26.[WULin,XU Hong,HE Jiangqi,et al.Comparision of the NorthYellow Sea Basin with Anju of Korea and Jiaolai Basin of China[J].Marine Geology Letters,2004,20(8):22-26.]
[4]罗斌杰,王春江,董成默,等.朝鲜安州盆地原油地球化学特征[J].石油学报,1995,16(4):40-46.[LUO Binjie,WANGChunjiang,DONG Chengmo,et al.Organic geochemical charac-teristics of oils from Anzhou Basin,DPR Korea[J].Acta Petro-lei Sinica,1995,16(4):40-46.]
[5]龚建明,温珍河,陈建文,等.北黄海盆地中生代地层的地质特征和油气潜力[J].海洋地质与第四纪地质,2000,20(2):69-78.[GONG Jianming,WEN Zhenhe,CHEN Jianwen,et al.Ge-ologic characteristics and hydrocarbon-generating potential ofMesozoic strata in the North Yellow Sea Basin[J].MarineGeology&Quaternary Geology,2000,20(2):69-78.]
[6]蔡峰.北黄海盆地基本石油地质条件分析[J].海洋地质动态,1998,14(4):7-10.[CAI Feng.The elementary petroleum geo-logic conditions analysing in the North Yellow Sea Basin[J].Marine Geology Letters,1998,14(4):7-10.]
[7]漆家福,杨桥,陆克政,等.渤海湾盆地基岩地质图及其所包含的改造运动信息[J].地学前缘,2004,11(3):299-307.[QI Jia-fu,YANG Qiao,LU Kezheng,et al.Geologic map of sub-outcropand implied information of tectogenesis in Bohai Bay Basin province[J].Earth Science Frontiers,2004,11(3):299-307.]
[8]金仁植,费琪,杨香华,等.北黄海盆地含油气系统与勘探前景[J].石油实验地质,2006,28(5):445-450.[KIM Insik,FEIQi,YANG Xianghua,et al.The petroleum system and explora-tion prospect in the east of North Yellow Sea Basin[J].Petro-leum Geology&Experiment,2006,28(5):445-450.]
[9]孙家振,李兰斌.地震地质综合解释教程[M].中国地质大学出版社,2002.[SUN Jiazhen,LI Lanbin.The integrated Tutorialon Seismic Interpretation[M].China University of GeosciencesPublishing Company,2002.]
[10]Massoud M S,Killops S D,Scott A C,et al.Oil source rockpotential of the Lacustrine Jurassic SIM UUJU formation,West Korea Bay Basin[J].Journal of Petroleum Geology,1991,14(4):365-386.
[11]Massoud M S.Oil source rock potential of the Lacustrine Ju-rassic SIM UUJU formation,West Korea Bay Basin[J].Jour-nal of Petroleum Geology,1993,16(3):265-284.
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