收稿日期: 2004-09-26
修回日期: 2004-11-18
网络出版日期: 2005-02-20
基金资助
国家重点基础研究发展规划项目“中国典型叠合盆地油气形成富集与分布预测”(编号:G19990433)资助.
ACCUMULATION MODELS OF PALEOWEATHERING CRUST RESERVOIR IN CARBONA TEYINGMAILI AREA
Received date: 2004-09-26
Revised date: 2004-11-18
Online published: 2005-02-20
杨宁,吕修祥,陈梅涛,赵风云,张亚光,郑多明 . 英买力地区碳酸盐岩古风化壳油气聚集模式探讨[J]. 天然气地球科学, 2005 , 16(1) : 35 -39 . DOI: 10.11764/j.issn.1672-1926.2005.01.35
The matrix with low porosity and permeability in the carbonate reservoir in Ying maili area can not provide effective reservoir space, but because of the croppin g out long time or many times, they suffer leach, denudation and karsification n ear surface, so in carbonate the fracture, solution hole and solution cave have developed. They form the paleoweathering crust reservoir. And they mainly distri bute the weathering crust belt beneath the superface of the burial hill. We have worked out the oil and gas coming from the great of lake faces source in Kuche depression pass through the migration pathway which is the unconformity surface of paleontology and Mesozoic group and the carrier bed between the Paleogene Sys tem and cretaceous or the Jurassic and Triassic sandstone. At last they arrive t he carbonate paleoweathering crust reservoir and accumulate beneath the cretaceo us Kapushaliang mudstone.
Key words: Yingmaili; Carbonate; Paleoweathering crust; Oil-gas accumulation.
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