钻井测井电缆打捞技术

Techniques of Fishing Logging Cable

介绍了钻井测井电缆断落事故的打捞方法,打捞前与打捞过程中应考虑的事项。结合电缆落井特征和实际打捞经验,给出了确定电缆落井后电缆头在井下位置及打捞工具下深的计算公式,并列举了部分井采用该方法打捞的情况。实践证明,采用该方法打捞电缆,能够提高打捞电缆的成功率,减少经济损失。

This paper presents methods of fishing logging cable and considerations before and during fishing operations. Based on characteristics of cables and actual fishing experiences ,the down hole locations of cable head is determined, and formulas used to calculate depth of fishing tools are deduced. Applications of this method show that it can improve success ratio of fishing and reduce economic losses.