borehole

The developing history of-bore stability technology, the mechanism of borehole instability and anti-sloughing means were analyzed.

全面总结了井壁稳定技术研究发展历程, 深入分析了井壁失稳机理及 防 塌技术措施.

There is some trouble in the borehole. Don't leave the rig floor.

井下出现复杂情况, 不要离开钻台.

But the research on borehole deviation control is very few.

但在井斜控制方面的研究还很欠缺.

Horizontal well borehole stability is discussed by experiments in the paper.

用物理实验方法来确定井壁稳定性即井壁缩径可能性.

Shear failure is a basic failure mode of borehole rock.

井眼剪切破坏是井眼岩石基本破坏形式之一.

A drainage borehole designed depth is 584.

永城矿区某矿排水钻孔设计孔深584.

The paper briefly introduced the initial application of MDT borehole testing technology in Dagang Oilfield.

该文概要介绍了MDT裸眼测试技术及在大港油田的初步应用情况.

The density of a drilling fluid is a key parameter to keep the borehole stable.

钻井液密度是保持井眼稳定的关键参数.

The deficiency of sealing off a borehole by slipping casting in the past is analysed.

分析了以往注浆封孔工艺存在的不足.

Borehole hydromining is a kind of safe and efficient new mining method.

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.

Mine-shaft of downhole mining is plugged in the middle of borehole to break off the production.

井下采矿的运输溜矿井在溜矿过程中常会被卡堵,中断生产.

The magnetic memory technique was used to develop a detection system for the borehole casing pipe.

利用铁磁材料的磁记忆性,研制出了井下在役套管检测系统.

Artificial borehole diaphragm wall and reverse construction method are adopted according to the characteristics.

根据此特点,选择人工成孔地下连续墙逆作法施工.

The distribution of pore pressure, solute concentration and stresses around borehole are obtained.

最后得到孔隙压力, 溶质浓度和应力在井孔周围的分布.

Introduced are the tool's synthetic digital signal processing technology, borehole environment correction and log experiments, etc.

介绍了该成像仪器的数字合成聚焦技术 、 井眼环境校正技术和测井试验等.