泰国呵呖高原盆地油气成藏组合与资源潜力

发布时间：2018-02-23 05:11

本文关键词： 成藏组合成藏模式资源潜力呵呖高原盆地巽他陆块　出处：《西南石油大学学报(自然科学版)》2017年04期 　论文类型：期刊论文

【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。
[Abstract]:In view of the problem of low exploration degree and relatively scarce data in offshore petroliferous basins, a study on the reservoir formation assemblage and the potential of oil and gas resources has been carried out in the Heliao Plateau basin, with the progressive control of tectonic-sedimentary evolution-accumulation as the core of the study. From late Paleozoic to Cenozoic, the basin tectonic evolution can be divided into two tectonic sequences, TS1 and TS2, in which TS1 tectonic sequence is mainly filled with shoreline and shelf. In carbonate platform depositional sequence, the continental alluvial fan, river and lake deposits are mainly filled in the tectonic sequence, and two sets of major assemblages are developed in the basin under the control of sedimentary facies, which are combined with the main trap types of the basin. It has been further divided into 4 sets of secondary assemblages of the proved Permian and prospective Triassic primary reservoir formation assemblages, and in the next stage of exploration, the vertical focus should be placed on natural gas exploration of Permian primary reservoir formation assemblages. Attention should be paid to the central part of the basin dominated by the Phu Phan uplift and the western part of the basin dominated by the northern part of the Khorat secondary basin and the western part of the Sakhon-Nakhon secondary basin. The former developed the most favorable oil and gas exploration area for the Permian primary reservoir formation assemblage. The latter is the most favorable hydrocarbon exploration area for the Triassic primary reservoir formation assemblage.
【作者单位】：中国石油大学(北京)地球科学学院;中国石油勘探开发研究院;
【基金】：中国石油天然气股份有限公司重大科技专项(2013E-0501)
【分类号】：P618.13

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