厄瓜多尔奥连特盆地Tar区块M油田电潜泵双油管完井技术及其应用

Electric Submersible Pump(ESP) Dual-tubing Completion Technology and Its Application in M Oilfield of Block Tar in Oriente Basin of Ecuador

对厄瓜多尔奥连特盆地Tar区块M油田采用双油管完井的技术可行性进行了分析,在此基础上,对双油管完井工艺进行了研究,介绍了管柱结构及所用的主要工具,如封隔器和滑套,同时还介绍了双油管完井的施工工艺。现场应用表明,采用双油管完井使得单井产量和采油速度均得到了提高。

The feasibility of dual-tubing completion technique used in M Oilfield of Block Tar in Oriente Basin of Ecuador was analyzed.On the basis stated above,its technique was studied,at the same time,the major tools such as packer and sliding sleeve and its process were denoted.The application in the oilfield proves that dual-tubing completion can increase well production and oil recovery rate.