水平井分段压裂工艺技术现状及展望  

STATUS QUO AND PROSPECT OF STAGED FRACTURING TECHNIQUE IN HORIZONTAL WELLS

作　　者：陈作[1] 王振铎[1] 曾华国 

机构地区：[1]中国石油勘探开发研究院廊坊分院 [2]中国石油吐哈油田公司勘探事业部

出　　处：《天然气工业》2007年第9期78-80,共3页Natural Gas Industry

摘　　要：水平井目前已成为提高油田勘探开发综合效益的重要途径,其技术已在中国石油塔里木、辽河、冀东、大庆、新疆、吉林等13个油田得到了广泛的应用。对于钻遇在低渗透油气藏的水平井和产量达不到经济开发要求的其他水平井,必然要面临增产改造的问题。水平井水平段压裂与直井压裂改造的工作重点有所不同,为此,就国内外化学隔离分段压裂、机械封隔分段压裂、限流分段压裂、水力喷射分段压裂等水平井分段压裂改造工艺技术进行了论述,展望了水平井分段压裂改造技术的发展趋势,以期为国内水平井分段压裂改造技术攻关方向提供参考。So far, horizontal wells have gradually been used as one of the main methods to improve oilfield developing efficiency. Its applications widely distribute in more than thirteen oilfields, such as Tarim, Liaohe, Jidong, Daqing, Xinjiang, and Jilin oilfields. For those horizontal wells drilled in low-permeability reservoir or those have lower production than the economic limit, stimulation operations are necessary. In general, operational emphasis of fracturing in horizontal wells is different to that in vertical ones. In this article, worldwide technologies and applications of staged fracturing in horizontal wells, such as chemical isolation, mechanical isolation, limited entry treatment and hydraulic jetting, were introduced and analyzed to provide a clear reference for today's stimulation research projects in China.

关 键 词：水平井 压裂 隔离 水力喷射 封隔器 发展趋势 

分 类 号：TE377[石油与天然气工程—油气田开发工程]