桥式偏心分注管柱电动验封技术研究与应用  

Research and application of electric sealing test technology for bridge eccentric separated injection string

作　　者：宋祖厂[1] 刘扬[1] 盖旭波[1] 赖学明[1] 李巧伟 王圣磊[1] 

机构地区：[1]大港油田公司采油工艺研究院,天津300280 [2]天津万众科技发展有限公司,天津300280

出　　处：《石油钻采工艺》2014年第1期74-76,共3页Oil Drilling & Production Technology

基　　金：大港油田公司关键技术攻关项目"提高分层注水技术深化研究与应用"(编号:20120204)

摘　　要：桥式偏心分注管柱验封通常采用的机械验封技术存在着井下事故风险高、数据准确性低、工作效率不高等问题,为此开展了桥式偏心分注管柱电动验封技术研究。该技术通过地面控制系统实时监测的油管压力和地层压力的变化曲线确定封隔器密封性能。现场试验结果表明,该技术可以有效降低桥式偏心分注管柱验封时验封仪卡、掉以及密封段破损、脱落等井下事故的风险,验封结果更加直观、准确、高效。The sealing test for bridge eccentric separated injection string normally adopted mechanical sealing test technology which exist the problems of high accident risk, low accuracy in test data and low working efifciency. Research on electric sealing test technology for bridge eccentric separated injection string was conducted to solve the above issues. The packer sealing performance was determined by tube pressure and formation pressure change curves which were real-time monitored by ground control systems and cable. Test results showed that this technology can effectively reduce the risk of downhole accidents such as check sealing apparatus sticking and dropping, sealing segment breakage and fall off in the process of bridge eccentric separated injection string sealing test. And the inspection seal results more intuitive, accurate and efifcient.

关 键 词：分层注水 桥式偏心 封隔器 电动验封 

分 类 号：TE357.8[石油与天然气工程—油气田开发工程]