1) special energy consumption
破岩能耗
2) rock breaking
破岩
1.
Experimental study on rock breaking with ultra-high pressure jet;
超高压射流钻头破岩实验研究
2.
Experimental study on rock breaking parameters of dual-jet;
双射流破岩钻孔参数实验研究
3.
Air drilling is a kind of under-balanced drilling technology with air,whose rock breaking form is different from conventional mud drilling.
空气钻井技术是以空气作为循环介质的欠平衡钻井技术,其钻头的破岩形式与常规泥浆钻井有很大的区别。
3) rock-breaking
破岩
1.
How to achieve the most efficient rock-breaking is the research direction of the rock-breaking technique.
在不同泵压和淹没压力条件下,针对不同类型的空化喷嘴对高压空化水射流破碎岩石效果进行了一系列实验研究,其主要目的是探讨高压空化水射流的冲蚀能力与水力参数的相互关系,提高破岩效率。
4) rock-breaking mechanism
破岩机理
1.
Initial research on rock-breaking mechanism for gas drilling in Xushen Gas Field;
徐深气田气体钻井破岩机理的初步研究
2.
On the basis of analyzing the mechanism of the hydraulic pulse, the rock-breaking mechanism of themechanical cut-out hydraulic pulse is discussed by using transient flow theory, the working principle and its structural characters of SLPMC mechanical cut-out hydraulic pulse tool are introduced.
在分析水力脉冲产生机理的基础上,探讨了基于瞬变流理论的机械阻断式水力脉冲破岩机理,介绍了SLPMC机械阻断式水力脉冲工具的工作原理及结构特点,简单叙述了该工具在胜利油田进行的2口井的现场试验情况。
5) rock breaking efficiency
破岩效率
1.
According to the low rock breaking efficiency,short service time and other disadvantages of the rolling cuter in the hard rock drilling of the mine shaft rising boring,a new pick shape tooth rolling cuter was developed.
根据反井钻井在坚硬岩石钻进中出现的滚刀破岩效率低、使用寿命短等问题,研制了新型镐形刀齿。
6) Rock Slacking Resistance
破岩抵抗
参考词条
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。