本文在总结国内外天然气储层物性资料的基础上,得出孔隙砂岩工业性储气层的物性下限值为:孔隙度9%,渗透率0. I X 10^-3μm^2。考虑到储层物性一般随埋深增加而变差,加之深层气勘探成本高、周期长,在我国当前天然气勘探、研究程度不高的...本文在总结国内外天然气储层物性资料的基础上,得出孔隙砂岩工业性储气层的物性下限值为:孔隙度9%,渗透率0. I X 10^-3μm^2。考虑到储层物性一般随埋深增加而变差,加之深层气勘探成本高、周期长,在我国当前天然气勘探、研究程度不高的情况下,认为近期找气应以中、浅层为主。展开更多
Accompanying with the coalification of coal measures, great quantities of gas were generated and moderate amounts of oil produced in some stages. Such gas fields and oil-gas fields related with coalification have been...Accompanying with the coalification of coal measures, great quantities of gas were generated and moderate amounts of oil produced in some stages. Such gas fields and oil-gas fields related with coalification have been found in the Sichuan basin etc. in China, and in some other basins in Asia, Europe, Australia, South and North America, too, among which the northern West Siberia basin and North Sea-Mid展开更多
文摘Accompanying with the coalification of coal measures, great quantities of gas were generated and moderate amounts of oil produced in some stages. Such gas fields and oil-gas fields related with coalification have been found in the Sichuan basin etc. in China, and in some other basins in Asia, Europe, Australia, South and North America, too, among which the northern West Siberia basin and North Sea-Mid
