1.
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
2.
Safe And Quick Construction with High-quality of Auxiliary Inclined Shaft in Xiegou Coal Mine
斜沟煤矿副斜井井筒安全优质快速施工
3.
The Rapid Construction Technology of Inclined Mine Shaft of Super-large Cross-section Above Bedrock in Wang Huajialing Mine
王家岭煤矿超大断面斜井井筒基岩段快速施工技术
4.
Field test study of methods for supporting large-section inclined shaft in gravel layer
卵砾石层大断面斜井井筒支护方法现场试验研究
5.
Slope Shaft Construction Method by Grouting with Advanced Pipe through Aeolian Sand Seam
采用超前导管注浆法过风积沙层的斜井井筒施工方法
6.
STUDY ON GAS/LIQUID SLUG FLOW IDENTIFICATION AND PRESSURE DROP MODEL FOR DEVIATED WELLBORE
倾斜井筒气液段塞流识别与压降模型研究
7.
high angle drilling lubricant
大斜度井钻井解卡剂
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.
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。
10.
The ConstructionAnalysis of Anti-Well Method Through Falling Soft Rock Section
反井法施工立井井筒过软岩垮落段实践分析
11.
Rapid Construction Technology of Freezing Well-wide Shaft of New Shanghai No.1 Ventilation Shaft Mine
新上海一号矿风井全井冻结井筒快速施工技术
12.
Prediction of wellbore temperature field and analysis of influence factor for high-pressure gas well kill
高压气井压井井筒温度场预测与影响因素分析
13.
Study and Application of Grouting behind Main Shaft Wall to Ronghua Vertical Shaft
荣华立井主井井筒壁后注浆的研究与运用
14.
Shut-in static pressure calculation of condensate gas wells considering phase behavior change in borehole
考虑井筒相态变化的凝析气井关井静压计算
15.
Stress Analysis for Cemented CNG Storage Well and Its Construction Process
全井筒固井储气井应力分析及施工工艺
16.
wellbore storage domination
井筒储存起支配作用
17.
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
18.
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