Or the documented cases of methane migration?
或者说是记录在册的甲烷运移的案例呢？
And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really.
把含气量引入达西流产量公式也许能更真实地反映甲烷气体在煤储层中流动产出的特征。
Various patterns of hydrocarbon migration would result in different fractionation effects of methane carbon isotopes.
不同的烃类运移方式产生了不同的甲烷碳同位素分馏效应。
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