1)  cementing
空井
1.
To solve the problem such as borehole wall hydration instability and loss circulation after displaced with the water-based drilling fluids when air drilling fluids finished the designing depth,which may occurs in the process of running casing and cementing,the ce.
为了解决空气钻井达到设计井深后,替入水基钻井液再下套管、注水泥固井面临井壁水化失稳和井漏等问题,第一次实施了空井正注水钻井液固井作业。
2)  annulus wellbore
环空井筒
1.
The inner and outer diameters of the simulated annulus wellbore are 0.
20,对环空井筒内水泥浆顶替过程进行了数值模拟,模拟环空井筒外径0。
3)  vacuum well point
真空井点
4)  emptied well
喷空井
5)  unstability of air drill hole
空井眼不稳定性
6)  vacuum well dewatering
真空井点降水
1.
Based on a major construction project in Shanghai,the ground consists of a silt clay layer in surface and underlying a sandy silt layer,the application of vacuum well dewatering technique in dynamic consolidation ground treatment is introduced.
结合上海市某重点工程地基处理项目,针对上部粉质粘土、下部砂质粉土的场地条件,研究了真空井点降水技术在强夯地基加固中的应用。
参考词条
补充资料:白银有色金属公司深部铜矿主井和副井


白银有色金属公司深部铜矿主井和副井


白银有色金属公司深部铜矿主井和副井
说明:补充资料仅用于学习参考,请勿用于其它任何用途。