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根据重庆市彭水县下志留统龙马溪组页岩的地质特征及开发现状得出该页岩气层位是低渗低压气藏。处于勘探初期测试资料较少,利用该气藏仅有的1口井的试井资料,采用常规的二项式产能方程并绘制产能曲线,对异常曲线进行原因分析然后校正,再求得相对正确的绝对无阻流量。一般选用绝对无阻流量的三分之一作为合理的气井生产水平。
According to the geological characteristics and development status of the Xiamaxi Formation shale in the Lower Silurian in Pengshui County of Chongqing Municipality, it is concluded that the shale gas reservoir is a low permeability and low pressure gas reservoir. In the early exploration of the test less data, the use of the only well in the gas well test data, the use of conventional binomial productivity equation and draw the yield curve, the abnormal curve of the cause of the analysis and then correct and then obtain the correct Absolutely unobstructed flow. Generally choose one third of the absolute unobstructed flow as a reasonable gas well production level.