水平井分段压裂技术在中江气田的应用  

Application of the staged fracturing technology for horizontal well in Zhongjiang Gasfield

作　　者：滕小兰[1] 王智君[1] 

机构地区：[1]中国石化西南油气分公司工程技术研究院,四川德阳618000

出　　处：《复杂油气藏》2014年第4期65-68,共4页Complex Hydrocarbon Reservoirs

基　　金：西南油气分公司重大先导项目<中江沙溪庙气藏水平井分段压裂先导试验>部分内容

摘　　要：针对中江沙溪庙气藏储层地质特征和压裂改造难点,开展了水平井分段压裂工艺、参数优化、压裂液体系及配套措施研究。现场应用23井次,施工成功率100%,平均单井产量达到直井的8倍以上。现场应用结果表明:研究形成的系列水平井分段压裂技术可满足中江沙溪庙气藏改造的需要,为中江气田的高效开发提供了有效的技术手段。Aiming at the geological featrures and the fracturing difficulties of Shaximiao Formation of Zhongjiang Gas-field,a series of technical researches were carried out,which are consist of staged fracturing for horizontal well,parameter optimization,fracturing fluid system,and corresponding measures.The technology was applied in 23 wells with a construc-tion success rate of 100%and an average oil production rate more than 8 times of vertical wells.The application results showed that the series of staged fracturing technology for horizontal well can meet the demands of reconstruction of Shaximi-ao gas-reservoir,and provide an effective technical means for the high efficient development of Zhongjiang Gasfield.

关 键 词：水平井 分段压裂 中江气田 优化设计 现场应用 

分 类 号：TE357.1[石油与天然气工程—油气田开发工程]