石油实验地质Issue(4)：364-371,8.DOI:10.11781/sysydz201304364
西昆仑山前柯东-柯克亚构造带油气来源及成藏模式
Hydrocarbon origin and accumulation model of Kedong-Kekeya tectonic belt in piedmont of West Kunlun Mountain
摘要
Abstract
In the foreland of Western Kunlun Mountain, 3 sets of hydrocarbon source rock developed, including the Heshilafu Formation in the Lower Carboniferous, the Pusige Formation in the Lower Permian and the Yangye Formation in the Middle Jurassic. Analysis of source rock distribution, hydrocarbon property, oil-source and gas-source correlation in the Kedong-Kekeya tectonic belt in the foreland of Western Kunlun Mountain led to the fo-llowing 2 conclusions:a) Oil in the Kedong-Kekeya tectonic belt mainly originated from relatively highly-mature organic matter of typeⅡin Permian. b) Natural gas mainly came from Permian, and partially from Jurassic and Carboniferous. Based on the study of tectonic evolution, fluid inclusions and hydrocarbon accumulation evolution history of the well Kedong 1 and the Kedong-Kekeya tectonic belt, the author analyzed the accumulation process of hydrocarbon and summarized the accumulation model of hydrocarbon in the Kedong-Kekeya tectonic belt. Accumulation process of hydrocarbon in the Kedong-Kekeya tectonic belt can be divided into 4 periods which include initial charging period of oil, oil-charging window, gas-charging window and hydrocarbon-adjusting period. To figure out the source and accumulation process of hydrocarbon in the Kedong-Kekeya tectonic belt can provide important reference to expand exploration scope and find more petroleum resource in the study area.关键词
油气来源/包裹体/构造演化/成藏模式/柯东-柯克亚构造带/西昆仑山前Key words
hydrocarbon origin/inclusion/tectonic evolution/accumulation model/Kedong-Kekeya tectonic belt/piedmont of West Kunlun Mountain分类
能源科技引用本文复制引用
莫午零,林潼,张英,易士威,王东良,张亮..西昆仑山前柯东-柯克亚构造带油气来源及成藏模式[J].石油实验地质,2013,(4):364-371,8.基金项目
国家重大科技专项“中国大型气田形成条件、富集规律及目标评价(二期)”(2011ZX05007-002)资助。 （二期）
