泰国呵呖高原盆地油气成藏组合与资源潜力  被引量:1

Play and Hydrocarbon Potential of the Khorat Plateau Basin in Thailand

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作  者:王俊[1] 鲍志东[1] 吴义平[2] 杨益春[1] 何陵沅 WANG Jun;BAO Zhidong;WU Yiping;YANG Yichun;HE Lingyuan(College of Geosciences, China University of Petroleum, Changping, Beijing 102249, China;Research Institute of Petroleum Exploration and Development, PetroChina, Haidian, Beijing 100083, China)

机构地区:[1]中国石油大学(北京)地球科学学院,北京昌平102249 [2]中国石油勘探开发研究院,北京海淀100083

出  处:《西南石油大学学报(自然科学版)》2017年第4期57-70,共14页Journal of Southwest Petroleum University(Science & Technology Edition)

基  金:中国石油天然气股份有限公司重大科技专项(2013E-0501)

摘  要:针对海外含油气盆地勘探程度较低、资料相对匮乏的问题,以呵呖高原盆地为例开展了成藏组合及油气资源潜力研究,研究中以构造—沉积演化—成藏的递进控制作用为核心,获得了以下认识。晚古生代—新生代,盆地构造演化可划分为两期构造层序TS1和TS2;其中,TS1构造层序内主要充填浅海相滨岸、陆棚、碳酸盐岩台地沉积,TS2构造层序内主要充填陆相冲积扇、河流、湖泊沉积;沉积相控制下盆地内发育两套主要的生储盖组合,结合盆地的主要圈闭类型,进一步划分出已证实二叠系和远景三叠系两个一级成藏组合,4套二级成藏组合;在下一阶段的勘探中,纵向上应侧重于二叠系一级成藏组合的天然气勘探,平面上应重视以Phu Phan隆起为主的盆地中部及以Khorat次盆北部和Sakhon-Nakhon次盆西部为主的盆地西部地区,前者发育二叠系一级成藏组合最有利油气勘探区,后者为三叠系一级成藏组合最有利油气勘探区。Aiming to address the low degree of exploration and lack of data,we have studied play and resource potential using the Khorat Plateau Basin,Thailand,as an example.Under the framework of the progressive control of tectono-sedimentary evolution on hydro-carbon accumulation,several conclusions have been drawn as follows.First,from the Neopaleozoic to the Cenozoic,the basin was divided into two tectonic sequences:TS1and TS2.Nearshore,shelf,and carbonate platform sediments of shallow water facies are filled within the framework of TS1;alluvial fan,fluvial,and lacustrine sediments of continental facies are filled within the framework of TS2.There are two main source-reservoir-cap rock combinations in the basin,controlled by sedimentary facies distribution.Considering the major trap types and characteristics of the reservoir-cap rock assemblage in the basin,two first order plays and four second order plays are further differentiated.In the future,gas exploration should be directed at the proven Permian first order play.Horizontally,special attention should be paid to the regions favorable for the exploration of petroleum.

关 键 词:成藏组合 成藏模式 资源潜力 呵呖高原盆地 巽他陆块 

分 类 号:TE122[石油与天然气工程—油气勘探]

 

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