1) hydraulic rock-breaking bit
水力破岩钻头
1.
However, this technology has not been used widely due to some critical technologies problems such as turning system, hydraulic rock-breaking bit, etc.
利用该技术在早期或老期油气井、压裂效果不好的探井以及近井地带污染/堵塞严重的已开发井中开展试验,取得了较好的增产效果,但由于转向系统、水力破岩钻头等几项关键技术问题,一直没有得到大面积的推广应用。
2) hydraulic breaking rock
水力破岩
1.
High-pressure hydraulic pulse is effective to deal with some engineering problems such as hydraulic breaking rock and cutting metals.
为了解决水力破岩、有效切割金属等工程问题,高压水力脉冲不失为一种有效方法,依据日常生活中的口哨原理提出了一种新型滚珠旋转脉冲喷嘴。
3) bit hydraulic horsepower
钻头水马力
4) welded teeth cut rock hobbing drill bit
焊齿破岩滚刀钻头
1.
The paper primarily introduced drilling working principles of welded teeth cut rock hobbing drill bits and its drilling technical parameters in the piling construction, and repair of hobbing teeth and effect of application.
焊齿破岩滚刀钻头适应多种地层钻进，本文主要介绍了焊齿破岩滚刀钻头的钻进工作原理、在桩基施工中的钻进技术参数、滚刀刀齿的修复及应用效果。
5) rock breaking drilling technology
破岩钻井
1.
It is of great significance that developing new rock breaking drilling technology to promote efficient exploit of oil field.
发展新型破岩钻井技术对于促进油气田高效开发具有重要意义,高压水射流是提高破岩钻井效率的一个重要手段,脉冲射流是一种高效射流形式。
6) drill crack
钻头破损
补充资料：破梆破羣
1.旧时牌戏术语。二条﹑二万﹑八饼一副叫"梆子";三条﹑三万﹑七饼一副叫"羣子"。梆子中缺饼子叫"破梆"，群子中缺饼子叫"破羣"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条