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气井测试一点求绝对无阻流量方法(简称一点法)来源于二项式、指数式渗流方程。一点法把二项式对比系数Ad、指数式指数n固定为常数,与其是产层渗流参数的函数这一科学基础是不相容的,因而所求得的气井绝对无阻流量不准确,用一点法数据推出的气井渗流方程也不可靠。对一点法的误差进行了分析表明,一点法只能用在不具备多点法稳定测试条件、避免大量气体放空损失的情况下初步估算气井绝对无阻流量。
Gas Well Test Absolutely unimpeded flow method (referred to as a little method) comes from binomial, exponential flow equations. One-point method to the binomial contrast coefficient Ad, exponential index n is fixed as a constant, and it is a function of the production layer seepage parameters of the scientific basis is incompatible, and thus obtained gas wells absolutely unobstructed flow inaccurate, with a little Gas well seepage equations introduced by law data are also not reliable. An error analysis of the one-point method shows that the one-point method can only be used to estimate the absolute unobstructed flow rate of a gas well without using the multi-point method to stabilize the test conditions and avoid the large loss of gas.