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Experience of Flexible Steel Joint Support in Maintenance Work in Shaft

钢柔性联合支护在竖井维修工作中经验

Application of Rigid and Fiexible Combined Suppor to New Shaft Maintanace in Coal Mine

钢柔性联合支护在煤矿新井井筒维修中的应用

Research on combining support technology of roadway

锚网索支架联合支护技术在深井巷道维修中的应用

remedial maintenance

出错维修,修复维护

rig replaceable stabilizer

井场可修复的稳定器

rigless sand control

不用修井机的防砂作业

Development and application of the JY5160TXJ10 truck-mounted electric drive workover rig

JY5160TXJ10型车载式电驱修井机

A finite element analysis of headframe intensity of 40-ton workover rig;

40t修井机井架强度的有限元分析

The Beijing Municipal Government, braving tremendous pressure from developers, insisted on refurbishing the church and expanding the plaza in front of it.

近几年改造王府井大街，北京市政府顶住巨大的商业压力维修教堂，扩建堂前广

Settlement analysis of the foundation with vertical drains by two-dimension FEM (Ⅱ) --FEM program composition based on modified cambridge model coupling biot theory & a case analysis

砂井地基沉降的二维有限元分析(二)——修正剑桥渗流耦合模型有限元及实例计算

Drilling technology for 3D medium-radius Huanping-3 horizontal well in Changqing Oil Field

长庆油田中半径三维水平井环平3井钻井技术

Three-dimensional Numerical Simulation of Shaft Wall Temperature Stress;

立井井壁温度应力三维数值模拟分析

The Research on 3-D Fast Forward and Inversion of Surface-borehole and Borehole-surface IP Methods;

地—井、井—地IP三维快速正反演研究

Optimizing design of wellbore trajectory of three-dimensional multi-target directional well;

三维多目标定向井井眼轨道优化设计

3D visualization of hole trajectory in directional well drilling

定向井实钻井眼轨迹三维可视化描述

three-dimensional bottomhole assembly model

三维井底钻具组合模式

Engineers maintain the turbines.

机修工维修涡轮机.

advisory letter [slope maintenance]

劝喻信〔斜坡维修〕