水相圈闭损害主要表现在两个方面,内部表现为可动气量的减少和气相渗透率的下降,外部表现为产气量的下降和气藏采收率的降低。
Aqueous trapping display in two aspects, one is the reduction of mobile gas and the degression of gas permeability, the other is the decline of gas production rate and the decrease of gas recovery.
重力流相发育区为本区油气藏形成的有利部位。
The regions developing gravity flow facies are favorable for oil pool formation.
广泛发育的泛滥平原相、沼泽相泥岩为油气成藏提供了良好的盖层条件。
The flood plain faces and swamp faces mudstone provided a good cap rock conditions for reservoir forming.
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