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

分析了以往注漿封孔工藝存在的不足.

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

井下出現(xiàn)復(fù)雜情況, 不要離開鉆臺.

A drainage borehole designed depth is 584.

永城礦區(qū)某礦排水鉆孔設(shè)計(jì)孔深584.

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

用物理實(shí)驗(yàn)方法來確定井壁穩(wěn)定性即井壁縮徑可能性.

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

井下采礦的運(yùn)輸溜礦井在溜礦過程中常會被卡堵,中斷生產(chǎn).

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

最后得到孔隙壓力, 溶質(zhì)濃度和應(yīng)力在井孔周圍的分布.

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

鉆井液密度是保持井眼穩(wěn)定的關(guān)鍵參數(shù).

Shear failure is a basic failure mode of borehole rock.

井眼剪切破壞是井眼巖石基本破壞形式之一.

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

介紹了該成像儀器的數(shù)字合成聚焦技術(shù) 、 井眼環(huán)境校正技術(shù)和測井試驗(yàn)等.

But the research on borehole deviation control is very few.

但在井斜控制方面的研究還很欠缺.