gas bearing formation 气层 ; [油气] 含气层
Little gas bearing formation 少量气层
oil-gas-bearing formation 含油气岩系
The key to produce this shallow gas is to use a set of negative suction technique besides that a series of measures for protecting the shallow gas-bearing formation must be adapted while drilling.
要把这类浅层气开采出来，除必须实施保护浅气层的钻井措施外，关键在于采用一套负压抽汲采气技术。
Abnormal formation fluid pressure often exists in oil-gas bearing basin.
地层流体压力异常是含油气盆地存在的一个普遍现象。
Thickness of gas bearing formation acts definitely on producibility of lower permeability sandstones with same petrophysical properties and same gas saturation.
对于低渗透岩性气层，在物性和含气饱和度相同背景下，气层厚度的大小对产能的高低起决定性作用。
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