地质钻探用震击安全接头的研制及应用

Development and Application of Safety Joint with Jar for Geological Drilling

摘要:

为增加断钻杆卡钻打捞成功率和处理孔内事故时上部钻杆安全，研制出了一种能提高处理孔内卡钻事故能力和确保处理卡钻事故上部钻杆安全的震击安全接头，在现场应用取得了良好的效果。介绍了该震击安全接头的设计思路、结构原理、操作技术和现场应用效果等。

Abstract:

To increase the fishing success rate and ensure the safety of upper drilling string in the treatment of drilling pipe breaking and sticking accidents, a safety joint with jar was developed; good results were achieved in field application. This paper introduces this safety joint about its design idea, structure principle, operation technology and field application effect.