THE EXPLORATION REGION AND NATURAL GAS ACCMULATION IN SICHUAN BASIN
Received date: 2005-06-12
Revised date: 2005-06-29
Online published: 2005-08-20
Sichuan basin is a rich gas basin which has plentiful hydrocarbon source rock and reservoir, being undergone two processes of cratonic basin and foreland basin. According to the structural evolution of Sichuan Basin, the combination of reservoir and cap rock may be divided into cratonic up-strata, cratonic down-strata and foreland strata. Although Natural gas is distributed in three stratas, most is distributed in cratonic up-strata and foreland strata. Gas concentration in cratonic down-strata is controlled.
Key words: Accumulation rule; Exploration region; Gas distribution; Sichuan basin.
WEI Guo-qi +1, LIU De-lai +2, ZHANG Lin +1, YANG Wei +1, JIN Hui +1, WU Shi-xiang +1, SHENG Jue-hong +1 . THE EXPLORATION REGION AND NATURAL GAS ACCMULATION IN SICHUAN BASIN[J]. Natural Gas Geoscience, 2005 , 16(4) : 437 -442 . DOI: 10.11764/j.issn.1672-1926.2005.04.437
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