1)  thermal drilling
热钻
2)  geothermal drilling
地热钻探
1.
In accordance with properties of geothermal drilling, the paper submited scheme on form a complete set of elective reasonable drilling equipments、technology and well completion technique, and analysed importance and urgency of this work and some technical problems demanding prompt solution.
本文针对地热钻探的深度和难度,提出了选择合理的钻探设备、优化钻探技术与成井工艺的技术配套方案,分析了地热钻探技术配套工作的重要性和迫切性、与亟待解决的技术问题。
3)  geothermal drilling
地热钻井
1.
The casing failure accident is very common in geothermal drilling during casing and drilling after well consolidation.
套管断裂事故是地热钻井中的常见事故多发在套管下井及固井后钻进过程中,根据不同阶段套管断裂的原因分析,提出了处理该类事故的原则,并论述套管断裂事故产生原因及预防措施。
4)  sleeving-heat stretching
热钻孔法
5)  geothermal drilling
[能]地热钻井
6)  green bit
新钻头,过热钻头
补充资料:冻土钻(见取土钻)


冻土钻(见取土钻)


dongtuzuan冻土钻见取土钻
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