The saturation of these compartments with liquid hydrocarbons and the subsequent oil-to-gas reaction causes the expulsion of free water, resulting in a gas accumulation without gas-water interface.

随着石油的进一步聚积及油气的转化，使砂岩中的自由水逐渐被驱除，因此这种异常压力气田是不存在气水界面的。

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It is a key question that exactitude recognition of interface between gas and oil and between oil and water in the oily construction.

正确识别含油气构造中的油、气、水分界面一直是含油气构造评价的一个关键问题。

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Multiple tests can be performed to measure formation pressure, and the formation pressure gradient can be established, accordingly, interface between oil, gas and water can be identified.

可以进行多次压力测试以建立地层压力梯度，从而判断油、气、水界面。

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Interface built the carpet industry's most oil-independent cost structure while cutting its greenhouse gas emissions 82%.

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