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。
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。
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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