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页岩气因为储量丰厚、开采前景很大而在当今的世界能源中举足轻重。长期以来,页岩气产能的理论研究是随着页岩气的生产实践而不断发展、深入的。通过积极查找相关资料多方对比,发现产气剖面测试法可以认识水平井流态分布规律;求取分层产量,优选穿层;优化分段压裂参数;优化井身轨迹;指导生产。本文研究多因素对多段压裂水平井每段的产量贡献度影响,最后构建出在考虑静态因素与工程因素的经验拟合曲线图版,能够使现场工程师直接做出预判。
Shale gas, because of its abundant reserves and the prospect of exploitation, plays a decisive role in today’s energy world. For a long time, the theoretical research of shale gas production capacity has been continuously developed and deepened with the production practice of shale gas. By actively searching for relevant data, it is found that the gas production profile test method can know the flow pattern distribution in horizontal wells; obtain stratified production, preferably through strata; optimize section fracturing parameters; optimize well trajectory; and guide production. In this paper, we study the effect of multiple factors on the contribution of each section of multi-section fractured horizontal wells. Finally, an empirical fitted curve chart considering static factors and engineering factors is constructed to enable field engineers to make direct predictions.