柴达木盆地石炭纪油气资源的找藏前景  

Perspect of Carboniferous Hydrocarbons in the Tsaidam Basin

作　　者：施俊[1] 真允庆 吴金凤[1] 王佩业[1] 周锡明[1] 赵明武[1] 郝红蕾[1] 周怀杰 

机构地区：[1]江苏省有色金属华东地质勘查局814队,镇江212005

出　　处：《地质调查与研究》2008年第1期43-51,共9页Geological Survey and Research

基　　金：中国石油青海公司<柴达木盆地综合物化探勘探成果解释与评价>项目

摘　　要：柴达木盆地是我国西部高原的大型油气复合盆地,它具有多个叠置的含油气系统。经沉积古地理研究,本区石炭纪为滨浅海相沉积环境,气候温和,生物茂盛,特别在东北缘一带,分布含煤海陆交互相沉积建造,有利于烃源岩生成。根据马北地区油源对比、深部有机质成烃研究及对石炭纪泥岩、石灰岩地化分析,为优质烃源岩,充分证明石炭纪油气资源丰富,可作为今后找油气藏的目的层。对东北缘的红山-德令哈坳陷及苏干湖盆地应是勘探评价的首选地带,可望发现海相油气田,力争找油气藏工作有新的突破。The Tsaidam basin is a large composite hydrocarbon basin in the plateau area of western China, and it is affected by several hydrocarbon systems. Palaeogeographic investigation shows that sedimentation of this basin occurred in an offshore coastal environment with Alternative marine and terrestrial coal-bearing warm and humid climate, and flourishing plants and animals. sediments, particularly in northern Tsaidam, are favorable for hydrocarbon generation. Based on comparison of hydrocarbon sources in the Mabei area and study of hydrocarbon generation processes, it is concluded that Carboniferous mudstone and carbonate rocks are excellent sources for hydrocarbons, and should be paid much attention to. The Hongshan-Delingha and the Suganhu sub-basins are the most promising basins for marine hydrocarbons.

关 键 词：石炭纪烃源岩 找藏前景 柴达木盆地 中国 

分 类 号：P618.130.26[天文地球—矿床学]