1.
Calculation of Eccentric Wellbore Pressure Drop and Air Volume Requirements in Air Drilling
空气钻井偏心井筒压力及注气量计算
2.
Research on eccentric correction of dual lateral logging tool in highly deviated wells
大斜井中双侧向测井的仪器偏心校正
3.
Both the derrick deviation and the wellheads eccentricity will cause the serious wearing of the casing (or casing protecting tube) close to the wellhead.
井架不正或井口偏心，会造成近井口套管（或套管防磨套）的磨损。
4.
The Research on Seismic Performance of Steel Frame-concrete Core Tube Structures with Eccentrically Braces;
带偏心支撑的高层钢框架—混凝土核心筒结构的抗震性能研究
5.
Research on the Seismic Performance of Steel Frame-concrete Core Tube Structures with Eccentrical Braces
带偏心支撑钢框架-混凝土核心筒结构抗震性能研究
6.
The Development of an Automatic Measuring and Adjusting Apparatus for Stratified Flow in Eccentric Injection Well
偏心注水井分层流量自动测调仪的研制
7.
Code for design of inclined shaft and chambers of coal mine
煤矿矿井斜井井筒及硐室设计规范
8.
Experience on the shrink shaft drilling construction reserve period
缩短立井井筒凿井施工准备期的经验
9.
The Analysis of Horizontal Pressure Acting on the Silo Wall when BulkSolids Discharge Eccentrically from the Silo
筒仓偏心卸料时贮料作用于仓壁上水平压力的分析
10.
An Approach for Adjusting the Centering between Outer Supporting Arms and Coiler Mandrel with Dual Eccentric Sleeves
利用双偏心套调整卷筒与外支撑臂对中度的方法
11.
wellbore storage domination
井筒储存起支配作用
12.
a shaft driven upward is called a raise; one that is driven downward is known as a winze.
从下往上开拓出来的井筒叫天井;从上往下开拓出来的井筒叫盲井。
13.
Technical code for anticorrosion of shaft equipment of vertical shaft of coal mine
煤矿立井井筒装备防腐蚀技术规范
14.
The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine
八宝煤矿副井井筒快速施工作业浅析
15.
Discussion on Working Platform Arrangement Pattern in Vertical Shaft Construction
立井井筒装备施工吊盘布置方式探讨
16.
Construction technology for auxiliary shaft crosscut in huerxinhe coal mine
霍尔辛赫煤矿副井井筒揭煤施工技术
17.
Vertical Shaft Aquifer Surface Advance Grouting Engineering Technique
立井井筒含水层地面预注浆施工技术
18.
Study on Borehole Tempera Ture Distribution for Ultra-deep Gas Well
超深天然气井井筒温度分布规律研究