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随着油气资源的不断开采,各类孔渗连通性常规油气储藏储层能量都大幅降低,低孔渗油气藏成为了主要的勘探开发方向。水平井是油气田改造储层、提高产能的有效方式,对于低孔渗、连通性差油气藏的改善具有很好的促进作用,并已经大规模地应用于国内各大油气田。本文从水平井油气藏的优势和压裂原理、常用工艺以及存在的突出问题对水平井的应用情况进行描述,希望能为同类油气藏的开发提供借鉴。
With the continuous exploitation of oil and gas resources, the energy of conventional oil and gas reservoir reservoirs of various types of pore-permeability connectivity has been greatly reduced, and the low-porosity and permeability reservoirs have become the major exploration and development directions. Horizontal wells are effective ways to transform reservoirs and increase productivity in oil and gas fields. They are good for the improvement of low permeability and connectivity poor reservoirs and have been widely applied to major oil and gas fields in China. This paper describes the application of horizontal wells based on the advantages of fractured reservoirs and fracturing principle, common technology and existing problems, hoping to provide reference for the development of similar reservoirs.