The lengths of the probes used in horizontal hole in potassium mines were up to 200m.
钾盐矿井水平巷道使用的探头长度达到200米。
Dynamic analysis and parameters selection of electrochemical cutting of production pipe in horizontal hole.
水平井生产管电化学切割动态分析及参数选择。
And the equation for calculating the maximum deflection of the casing string in a horizontal hole can be obtained...
由此模型可得到水平井套管最大挠度的计算公式。
The initial fracturing pressure and initial fracture configuration can be affected and controlled by a change of the orientation of the horizontal hole.
通过改变水平段取向可以影响初破裂压力和控制初裂缝形态。
Drilling mud can clean out the cuttings by its circulation, especially for horizontal hole, it can avoid the sand-bed formation and reduce downhole troubles.
泥浆的主要功用之一是通过自身的循环，有效地清除钻孔内破碎下来的岩屑，特别是对于水平孔，可以避免砂床的形成，减少钻孔内的事故。
The instability of the horizontal hole in unconsolidated sand reservoir is the main topic which must be considered during the horizontal well drilling operation.
在疏松砂岩油藏中钻水平井首先要解决的是井眼失稳问题。
The construction of P202-2H well is hard due to long horizontal hole section and large string friction. High safety coefficient for strings in construction is required.
2H井施工难度大：水平井段长，管柱摩阻大，对施工管柱要求安全系数高；
Equivalent calibrations of short horizontal hole artificially defects and big flat-bottomed hole artificially defects or calculation equivalent of big flat-bottom are adopted.
采用短横孔人工缺陷和平底孔人工缺陷的当量标定或用大平底当量计算法。
In horizontal well, frontal side casing string is usual bearing pressure. In horizontal hole section, with the length of casing increase, the hook load is decreasing on the contrary.
水平井的前端套管一般是承受压应力的，随着进入水平段的套管长度的增加，大钩载荷反而下降；
In the light of characteristics that horizontal hole possesses a certain rate of curvature, the method of estimating minimum axial force at any point along a rod string is established.
针对水平井井眼具有一定曲率的特点，建立了抽油杆柱下部任意一点最小轴向力的计算方法。
The flexual deformation of casing in a horizontal hole is caused not only by the uniform transverse load from dead weight, but also by the axial load, and the existence of initial bent if any.
水平井套管柱的挠曲变形，不仅受自重引起的横向均布载荷的影响，而且还受轴向力的影响，同时还可能有初弯曲。
The precision of the support bearing of the horizontal milling machine bracket affects the rotation precision of the cutter rod, thus affecting the dimension precision and cylindricity of the hole.
卧式铣床支架的支承轴承的精度会影响刀杆的回转精度，从而影响孔的尺寸精度和圆柱度。
Its characteristics include that the counter force is proportional with the horizontal distance of a vertical line where BHA is offset from an open hole.
新的纠斜控制方法以减小测量点与开孔点垂线间的水平距离为目标，可以提高垂钻轨迹的垂直精度。
The principle and construction technique of horizontal frozen hole by pneumatic tamping pipe method were introduced in this paper.
介绍了气动夯管法施工水平冻结孔的工艺原理及施工工艺。
This paper discusses the factors affecting hole inclination measurement with horizontal liquid surface bore hole TV system.
提出水平液面式孔内电视系统测量孔斜的误差因素。
Horizontal double sided NC combined drilling machine is specially designed for the machining of main shaft journal hole and crank arm journal straight oil hole of crankshaft with six cylinders.
针对加工六缸曲轴主轴颈孔、连杆颈直油孔的需要而设计的卧式双面多工位数控钻削组机。
Considering the climate and the geological structure of Guangzhou, this article makes an exhaustive analysis of the feasibility of the horizontal frozen-hole construction technology.
文章结合广州地区气候特点和工程地质特点，详尽分析了水平冻结孔施工技术在广州地铁折返线斜穿广汕公路和沙河立交桥的应用可行性。
The technology of hole trajectory primary sect ion is the key of drilling in re entry horizontal Wells.
侧钻水平井轨迹起始段工艺技术，是侧钻水平井钻井工艺的关键技术。
The principle of the scheme selection of horizontal-hole blasting for highway cutting excavation and its design method of blasting parameters are emphatically introduced.
介绍了公路路堑水平深孔爆破的方案选择原则及其爆破参数设计方法。
Applying long horizontal roof rock hole to drain the gas from adjacent seam and goaf is a new technique. In this paper, introduces the latest progress of this technique is introduced fully.
采用顶板岩层水平长钻孔抽放邻近层和采空区瓦斯是一项新技术，全面介绍了该技术研究的最新进展。
The Vertical and horizontal displacement of ending hole are both decreased with the increase of pile length when the soil and grouting pressure is constant.
在土体性质相同且注浆压力恒定不变时，灌注桩桩端孔水平向和竖向位移随桩长的增加而减小。
Other special nc machining equipment: main products are deep hole drilling, deep hole boring, bull boring milling equipment, horizontal drilling and milling equipment, etc.
其它专用数控加工设备：主要产品有深孔钻、深孔镗、多头镗铣设备、卧式钻铣设备等。
For the extended well, high angle drilling, horizontal drilling and deep well drilling, or in the well section of large dogleg severity, or the long open hole, casing wear often happens.
在大位移井、大斜度井、水平井和深井钻井中，或者在狗腿严重度较大的井段，或者在技术套管下入后的长裸眼钻井过程中，常常出现套管磨损问题。
One brake wall is it enter this to extend through hole this, it USES for to be horizontal to move in this liquid.
一个制动器臂通过该孔延伸进入该腔，用于在该液体腔中横向移动。
Besides, it is found that though temperature change is very small in the hole, it has an effect on horizontal strain earth tide.
同时发现该洞室内虽然温度变化甚小，但仍对水平应变固体潮有影响。
Especially the perforating technology in the exceptional horizontal Wells such as slim-hole casing Wells, large hole Wells and complex Wells is detailed.
着重介绍了水平井射孔技术在小井眼、大井眼及复杂井况条件下特殊井中的技术要求和特点。
From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open hole well composite reservoir test model can not be adopted.
从渗流角度讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。
The two technical problems faced by the technology of under-balanced horizontal well drilling with gas injection are the down-hole motor and the conventional MWD can't work normally.
注气欠平衡钻水平井技术面临的两大技术难题是井下动力钻具不能正常工作和常规MWD无法正常工作。
From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open-hole well composite reservoir test model can not be adopted.
从渗流流态讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。
From the point of view of seepage flow, sidetracked well is similar to horizontal well, thus, the open-hole well composite reservoir test model can not be adopted.
从渗流流态讲，侧钻井是水平井渗流的一种近似，因此不能沿用裸眼井复合油藏试井模型。
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