煤层气井注入/压降试井工艺方法及存在的问题

Coal Bed Gas Well Pouring Drawing-down Techniques and Problems

目前在确定煤层气井的渗透率及储层参数时,广泛采用注入/压降测试的方法,单项注入/压降测试是目前煤层气勘探开发中最常用、最有效的试井方法。本文全面阐述了煤层气井注入/压降试井的施工工艺、施工工艺中存在的问题。

At present when coal bed gas well＇s penetration rate and reservoir parameter were determined, pours into/the pressure drop test method was used widely and the single item pours into/the pressure drop test was the most common and the most effective well test method. This article expounded comprehensively the coal bed gas well pouring into techniques draw-down test techniques and problems.