摘要
水平井普通油管旋流连续冲砂工艺技术是利用普通油管实现水平井反循环旋流连续冲砂的,接单根过程中不停泵,可防止砂粒下沉和砂卡事故发生。该工艺的配套工具主要由井口循环工具(高压自封封井器和新型反冲洗阀)和井下冲砂工具(水力旋流冲砂器、安全泄流阀和扶正器)2部分组成。该项工艺在江苏油田分公司真11-平1井的首次应用获得成功,冲砂效率提高50%,取得较好的经济和环境效益。
The cyclone continuous sand-washing technology for common tubing in horizontal hole uses common tubing to realize the reverse circulation cyclone continuous sand-washing of horizontal hole. The pump is not shut down during the tubing connection, preventing the sand sinking and the occurrence of sand sticking. The accessory tool of the technology is mainly composed of wellhead circulation tool and downhole sand-washing tool. The technology has been applied successfully in Well Zhen 11-Ping 1 in Jiangsu Oilfield with the sand-washing efficiency increased by 50% and good economic and environmental benefits obtained.
出处
《石油机械》
北大核心
2007年第9期104-106,181,共3页
China Petroleum Machinery
基金
江苏油田局级科研项目"疏松砂岩完井防砂工艺研究"(JS05024)子课题
关键词
水平井
旋流连续冲砂
工艺技术
配套工具
horizontal hole, cyclone continuous sand washing, technology, accessory tool
