The technologies of hole stability and sealing by pressurization, cementing and reservoir protection were formed.
形成了井壁稳定与承压堵漏技术、固井技术和油气层保护技术。
Influence factors of hole stability are analysed by means of step regression analysis method, and they can be sorted by step sizing factor.
用逐步回归法对影响井壁稳定性的因素进行了分析，通过逐步筛选因子从诸多因素中找出了对井壁坍塌有重要影响的因素。
The application in the wellsite shows that the new drilling fluid system effectively solves the problems of bore-hole stability and satisfies for the drilling operation of Tanggu 5 well.
经现场应用表明，该体系舱有效地解决堂古5井四开井段盐膏层易溶解、易垮塌造成的井壁不稳定问题，满足了堂古5井的钻井施工要求。
With this method, we can fabricate the MSF without the interstitial hole, and this will help to keep the cladding's structure, and enhance the stability of the fabrication.
通过控制间隙孔与毛细管中的气压差，可以制备出无间隙孔微结构光纤，并有助于保持包层孔的结构，大大提高了制备工艺的稳定性。
Resistance lines, hole charge, moisture content of interlayer are the main factors to effect the slope stability in blasting of layered rock masses by analyzing site blasting.
对现场爆破情况分析知，顺层台阶爆破的抵抗线、炮孔装药量、软弱夹层含水率是影响边坡稳定性的主要因素。
At last, taking the dialing Xincun slope harnessing engineering as the example, the slope stability under the affection of rainfall and the application of drain ditch and drain hole are accounted for.
最后，文章以茶岭新村边坡支护工程为例，说明了降雨对边坡稳定的影响以及排水沟和泄水孔等在边坡支护中的运用。
Wellbore stability, hole cleaning, toque and drag are key factors in extended reach well drilling of Xijiang 24 - 3 - A14.
西江24—3—A14大位移井的摩阻与扭矩、井眼稳定性及井眼清洁是钻井成功与否的关键因素。
In the dissertation, systematic theory research and laboratory study is conducted to try to solve the kernel problem of foam hole-cleaning treatment: how to enhance the foam stability.
本文对泡沫洗井技术的核心问题：如何提高泡沫稳定性进行了系统的理论和实验室研究。
Screw augmented with bone cement or replaced with thicker, longer screws or special screws (hollow screw and expandable screw hole) can lead to increase in the absolute value of screw stability.
骨水泥加强或更换较粗、较长螺钉或使用特殊螺钉可以使螺钉稳定性绝对值增加。
Under rest state and different motor load state, the results of the stability of hand action were both the same in shooting average and nine-hole instrument test.
对安静状态和承受不同运动负荷状态下，投篮命中率的实验与使用九洞仪进行的手动稳定性测试结果相同。
The result indicates that the arrangement defect controls the deformation, stability and rock mass failure when the scales of crack, fissure, cavity, spacing, hole are coexisting in rock masses.
研究结果表明，当裂缝、裂隙、微裂隙、孔隙等不同尺度、不同层次缺陷并存时，高层次缺陷对岩体的变形、稳定、破坏起着主导控制作用。
The stability of the worktable will affect the surface roughness of the hole wall, which will affect the hole size precision seriously.
工作台进给的平稳性会影响孔壁的表面粗糙度，严重时会影响孔的尺寸精度。
It also figures out that the wellbore stability of directional well in the West of Sichuan Basin will be much better than the straight hole with the increasing of the deviation and relative azimuth.
计算结果同时证明，如果在川西深层采用定向井钻井，其井壁稳定性将不会因为井斜角、相对方位角的变化而变差，且地层破裂压力会随井斜角和相对方位角的增加而大幅提高。
When drill hole in sandy soil the desander should be timely turned on to reduce the sand content and ensure the drilling progressing and stability of the hole.
在砂土层中钻进时，要及时开启泥浆分离器，降低含砂率，保证钻进速度和孔壁的稳定。
We investigate the linear stability of a shocked accretion flow onto a black hole with the following procedures: First, we study the stability in the inviscid isothermal limit.
我们按如下步骤研究了含激波的黑洞吸积流的线性稳定性问题：首先，我们研究无粘滞的等温吸积流。
The drilling circles generally considers that for the drill stem in crooked hole, the phenomenon of losing stability will not happen, but a detail theoretical proof is not seen.
钻井界普遍认为，在弯曲的井眼中钻柱不会发生失稳现象，但未见到详细的理论论证。
The results show that gas well sidewall stability of ancient strata in Sulige gas Field is good and open hole completion is feasible in gas reservoir section.
结果表明：苏里格气田上古地层气井井壁稳定性较好，可进行储层段的裸眼完井。
Axial compression stability test is selected for plates with circular open hole, and strengthened open hole as wall as no open hole.
采用了平板轴压稳定性试验方法，对边框形补强件、开口未补强件及未开口平板试件的抗压性能进行了比较。
It is demonstrated that TAP7 is a good hole transport material and blue electroluminescent material with high thermal stability.
结果表明TAP7是一种具有高热稳定性的空穴传输及蓝光发光材料。
It is demonstrated that TAP7 is a good hole transport material and blue electroluminescent material with high thermal stability.
结果表明TAP7是一种具有高热稳定性的空穴传输及蓝光发光材料。
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