地质科技情报2012,Vol.31Issue(5):112-118,7.
孟加拉湾地区大陆边缘盆地勘探概况与油气富集主控因素
Exploration Status and Major Controlling Factors of Hydrocarbon Accumulation in the Continental Margin Basins of the Bengal Bay
摘要
Abstract
The Bengal Bay lies in the east of India continent, west of Burma-Andaman-Sumatra area, and south of the Bangladesh. There are two different kinds of continental margins: passive and active continental margin. Many hydrocarbons bearing basins lie in the continental margins of the Bengal Bay, Based on the structure characteristics and plate position, we divided the basins into three types: passive continental margin basin (Mahanadi, Cauvery, and the K-G basins) , active continental margin basin (Rakhine, central Burma, Moattama, Andaman, and the north Sumatra basins) and remnant ocean basin (Bengal Basin). According to the distribution of the volcanic arcs, we further divided the active continental basin into trench, fore-arc and back-arc related basin. Through petroleum exploration analysis of the continental margin basins of the Bengal Bay, we come into the conclusion that the type of hydrocarbon source rocks and abundance of organic matters determined the nature of fluids and abundance of resources. Large river-delta system determined the distribution of big hydrocarbon field. Finally type, property and intensity of tectonic activities (especially of the late stage) determined the potential of exploration zones.关键词
孟加拉湾/大陆边缘盆地/油气/勘探/主控因素Key words
Bengal Bay/ continental margin basin/ hydrocarbon accumulation/ exploration/ controlling factor分类
天文与地球科学引用本文复制引用
朱光辉,李林涛..孟加拉湾地区大陆边缘盆地勘探概况与油气富集主控因素[J].地质科技情报,2012,31(5):112-118,7.基金项目
国家科技重大专项"孟加拉湾及澳大利亚西北陆架富油气盆地勘探潜力综合评价与目标优选"(2011ZX05030-002) (2011ZX05030-002)