深部取心钻探拧卸工具机械化的思考和实践

Thinking and Practice of Installation and Disassembly Tools Mechanization in Deep Coring Drilling

摘要:

通过分析钻杆拧卸对地质钻探起下钻效率的制约以及目前拧卸工具存在的问题，提出了适合深部取心钻探的拧卸工具机械化研制思路及技术要点，介绍了SQ114/8型绳索取心钻杆专用液压钳的技术、性能特点和应用效果。

Abstract:

Based on the analysis on current problems in the restriction of rod trip efficiency by rod installation and disassembly tools in geological drilling, the development and technical points of installation and disassembly tools mechanization were put forward, which was fit for deep coring drilling. The paper introduced the technical features and effects of the special hydraulic clamp of SQ114/8 wireline coring drilling rod.