1.
Monitoring of Down-hole Working Conditions of Beam Pumping Unit
游梁式抽油机井下工况监测方法研究
2.
Hydraulic Model for Downhole Drilling Condition Judgment with Water-saving Drilling System
节水钻探系统井下工况判断水力模型
3.
The Research of the Down-hole Work Condition Diagnosis Technique on the Rod Pumping System;
有杆抽油系统井下工况诊断技术的研究
4.
Relationship Between Job Stress and Health Among The Coal Mine Well Descends Workers;
煤矿井下工人工作应激情况及其与健康的关系
5.
Analysis of Underground Mining Project Outsourcing of Yinshan Mining Company
银山矿业公司井下采矿工程外包后情况分析
6.
Investigation on the Status and Related Factors of the Mental Health of Coal Miners who Worked Underground
井下矿工心理健康状况及相关因素调查研究
7.
Development of checking software for deep well casing string in complex conditions
复杂工况下深井套管柱校核软件的开发
8.
Incidence of Fatty Liver and Nutrition Status of Underground Miners
煤矿井下作业工人脂肪肝的发病情况及营养状况
9.
Numerical Calculation of Flow Rate of Swabbed Fluid Flowing in Wellbore under Polymer-flooding Operating Mode;
聚驱工况下抽汲液在井筒中流动的流量数值计算
10.
open caisson method in underground construction
地下工程沉井法施工
11.
Calculation of casing system reliability in complex well condition
复杂井况下油井套管柱的系统可靠性计算
12.
Minimum Age (underground work) Convention, 1965
（井下工作）最低年龄公约
13.
Intelligent Diagnosis Technology for Remote Monitoring Pumping Well Conditions
远程监测抽油机井工况智能诊断技术
14.
AIM:To study the occurrence of ocular surface diseases in coal miners working under wells and to investigate the relation between xerophthalmia occurrence and smut contiguity.
通过研究在井下作业的煤矿工人的眼表疾病发生情况,探讨煤尘接触与干眼症的关系。
15.
Most subway stations in Shanghai were constructed in succession, in which the end well of station was designed relatively big.
介绍了地铁车站端头井在周边环境复杂、度大且支撑体系复杂情况下的施工方案。
16.
Flooding of three vertical shafts trapped the miners as they changed shifts.
三个竖井发生透水，把正在换班的工人困在井下。
17.
Collectively-owned mining enterprises must survey and draw maps showing the correlation between surface and underground workings.
集体矿山企业必须测绘井上、井下工程对照图。
18.
Discussion on Downhole Tool to Improve Drilling Maneuverability in Case of Narrow Density Windows
提高窄密度窗口钻井可操作性的井下工具探讨