油气倒灌不可能发生
网络出版日期: 2009-03-16
Downward migration of oil and gas can not occur
Online published: 2009-03-16
李善鹏 , 吴凯 , 方艳兵 . 油气倒灌不可能发生[J]. 岩性油气藏, 2009 , 21(1) : 6 -10 . DOI: 10.3969/j.issn.1673-8926.2009.01.002
The downward migration of oil and gas is studied. Oil and gas migrate upward or upward laterally due to buoyancy of water. The downward migration of oil and gas can not occur forever. This wrong understanding comes from the concept of undercompaction of rock. Undercompaction is a wrong concept, which is resulted from the misunderstanding of rock deformation. It is wrong using equivalent depth method to calculate the pore pressure. Faults are not the path of downward migration of oil and gas. Without the driving force, the downward migration of oil and gas take place impossibly.
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