| 中国中西部类前陆盆地与典型前陆盆地类比及其油气勘探前景 |
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| 关键词:central and west China analogous foreland basin basin structure geological characteristics exploration prospects |
| 基金项目:中国石油天然气股份有限公司勘探与生产分公司20020401 |
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| Oil and Gas Exploration Prospects of the Analogous Foreland Basins in Central and West China |
| There are some analogous foreland basins in central and west China, which are somewhat similar to and yet also obviously different from the typical foreland basins in geological structures and oil gas conditions. The former basins have experienced complicated tectonic evolution. They were marine basins before Carboniferous, and evolved into continental basins after Triassic by transformation from the marine facies into the continental facies in Permian. The basins in west China were downfaulted depression basins in Jurassic and Cretaceous, and foreland basins in Cenozoic.These basins formed not only marine facies source rocks (oil type) and reservoirs but also continental facies source rocks (coal type and oil type) and reservoirs. The foreland basins in central and west China have more favorable oil and gas forming conditions than typical foreland basins and hence possess good petroleum exploration prospects. |
| LEI Zhen-yu,HE Deng-fa,ZHANG Chao-jun.2001.Oil and Gas Exploration Prospects of the Analogous Foreland Basins in Central and West China[J].Acta Geoscientica Sinica,22(2):169-174. |
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