2) DC electric field in underground mine
井下电流场
3) down-hole flow model
井下流场模型
4) underground stope
井下采场
1.
The practice of back safety management of underground stope in San Shan Dao Gold Mine;
三山岛金矿井下采场顶板管理的探索与实践
6) Downhole choke
井下节流
1.
Research and application of downhole choke to prevent hydrate generation in gas wells;
井下节流防治气井水合物技术研究与应用
2.
Downhole choke technology is to adjust downhole pressure through installing the choke in an appropriate position on the tube.
气井井下节流工艺是将节流器置于油管的适当位置来实现井下节流调压,利用地热对节流后的天然气加热,改变天然气水合物的生成条件,对防止水合物生成起到了积极作用。
3.
Aiming at this productive problem,downhole choke engineering research was developed.
主要针对高压气井冬季易堵、存在较大安全隐患的生产难题,开展井下节流工艺技术研究。
补充资料：下流社会
1.旧谓社会中居于低级地位的阶层。
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