1) Thick Wall Losing Steady
薄壁失稳
3) borehole instability
井壁失稳
1.
In the present,the typical experience can't solve all the problems of borehole instability.
以伊利石、伊蒙混层为主的硬脆性泥页岩微裂缝发育,容易引起井壁失稳,一直未能找到很好的评价方法。
2.
On the bases of mechanisms of borehole instability in hard brittle shale,one mud system have been established which is suitable for the formations of the hard brittle shale-the silicate drilling fluids.
在研究硬脆性泥页岩井壁失稳机理的基础上,有针对性的研制了一套适于硬脆性泥页岩地层的水基硅酸盐钻井液体系。
4) buckling of thin shell
薄壳失稳
5) Stability of Double-Thin-Wall Pier
双薄壁墩稳定性
补充资料：稳到
1.稳当。
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