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气层“两度”是指有效孔隙度与原始含气饱和度,它是计算天然气储量的重要参数。本文提出的测井定量解释气层“两度”的新方程,在已知气田使用获得成功,与传统解释方程相比,提高了定量解释精度。文中介绍了新方程的推导及应用实例。
The “double degree” of gas is the effective porosity and the original gas saturation, which is an important parameter for calculating natural gas reserves. The new equation of logarithmically quantifying the “double degree” of gas reservoirs proposed in this paper has been successfully used in known gas fields. Compared with the traditional interpretation equations, the quantitative interpretation accuracy is improved. The article introduces the derivation and application examples of the new equation.