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Application of Coiled,Thru-tubing Perforation in Bohai Sea
Author(s): 
Pages: 134-137
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  石油射孔连续油管定位压力点火头无枪身射孔密封传爆系统弱点接头;
Abstract: 介绍了连续油管过油管射孔(CTCP)技术在渤海某井成功应用的情况.连续油管作业设备主要由驱动导向系统、防井喷系统、动力源、滚筒等组成.CTCP作业采用无枪身射孔枪,井口加压引爆;其技术关键是压力点火头与枪之间的可靠密封连接,引爆后的可靠传爆,点火头上端设置弱点接头,根据需要实施管柱安全保障和必要时弃枪的预案.作业结果表明,CTCP适合于大斜度井、水平井以及无井架井的射孔作业,全部作业过程不需要任何钻具,在施工期问可防止井喷,可实现负压射孔;在高压气井作业时其安全性高于过油管射孔和电缆射孔.这次CTCP作业为国内服务公司应用CTCP技术提供了参考.
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