四川盆地宜宾嘉陵江组气藏试井分析

Gas Well Test Interpretation in Jialingjiang Group Yibin Area of Sichuan Basin.

经收集、解释宜宾潜伏构造嘉陵江组气藏 7井次的试井和测压资料 ,总结出了几种不同类型双对数导数曲线 ,反映出该构造储层具有均质、垂直裂缝和双重介质等多种地质模型及无穷、断层等不同的边界模型。通过分析不稳定试井曲线类型 ,用动态的方法认识地质特征 ,为四川盆地宜宾嘉陵江组气藏的勘探和开发提供一些帮助。

In this paper, after the collection and explanation to the well test and log data of seven Jialinjiang group gas wells in Yibin buried construct, the various geology models-homogeneous vertical fracture, dual porosity models, together with different boundary model, such as fracture, no flow boundary model acts-are shown in log-log derivative curves. Analysis of the well test curves and recognition of the geology characteristics using dynamic methods are benefit for further exploration and development in this areas.