The paper describes a new kind of raising assembly for mechanical drilling rigs.
文章绍了用于机械钻机井架起升过程中的一种新型起升装置。
By drilling hundreds of Wells, it is proved that those methods effectively improve well quality and mechanical drilling speed and are of great value to be applied.
数百口井的实钻证明：这些方法行之有效，使井身质量及机械钻速大大提高，具有极大的推广价值。
Ultra-high pressure water jet assisted mechanical drilling is known as one of the advanced and promising technology to increase drilling rate for deep oil and gas wells.
超高压射流辅助机械破岩钻井是提高深井钻井速度的一项前沿技术，关键技术包括井下增压器、超高压射流辅助破岩机理和钻头、超高压射流钻井参数和工艺等。
In the light of the problem of excessive fuel consumption in hydraulic torque converter drive of mechanical drilling RIGS, experiments on the hydraulic coupling transmission are conducted.
针对机械驱动钻机液力变矩器传动消耗燃油多的问题，开展了液力偶合器传动的试验。
Mechanical design of stabilized platform unit is one of the key techniques in the rotary steering drilling tool.
稳定平台单元机械系统的设计是旋转导向钻井工具的关键和难点之一。
In addition to the mechanical and hydraulic versions, jars are classified as drilling jars or fishing jars.
除按照机械和液压分类以外，震击器还可以分为钻井用震击器和打捞用震击器。
Sandstone and limestone are the main targets cut by oil and gas well drilling and for their physical mechanical property there have been systematic determination method and quantitative gradation.
砂岩和石灰岩是石油天然气钻井破岩的主要对象，它的物理力学性质已有系统的测定方法和定量分级。
The Mechanical Inclinometer is an apparatus which is used for oil drilling engineering to measure the deviation of the oil Wells.
机械式测斜仪是石油钻井工程中使用的一种用于测量井斜的仪器。
The mechanical property and drillability of rocks are the basic quality available for analyzing and evaluating the anti fracture and drilling resistance of rocks.
岩石力学性质和可钻性是分析和评价岩石抵抗破碎和钻进的基本性质，也是合理选择碎岩工具和工艺的基础。
This paper discusses how to clean cuttings bed by using mechanical method during drilling, and introduces its technical principle, feasibility and construction method.
在探讨在钻进过程中用机械法清除上部斜井段的岩屑床的基础上，介绍其技术原理，并提出了施工的可行性方案。
This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.
文章针对钻井工程中钻柱横向振动的实际情况，建立力学模型。
It is necessary for deepwater drilling to analyse the geological data in shallow formation and mechanical stability of wellhead.
有必要通过现场取样获得浅部地层的地质资料，对深水钻井井口力学稳定性进行分析。
Anti-corrosion treatments such as paint touch up shall be completed when mechanical damage such as drilling or sawing occurs.
防腐蚀处理，如油漆润色时，应完成的机械损伤，如钻井或锯发生。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
Drilling mast being as the key part of drilling equipment, its mechanical behavior is closely related to the safety of the operating drilling system.
钻井井架作为钻机系统设备中的关键部分，其力学性能直接关系到整套钻机系统的安全生产。
Preexisting research shows that there are three main factors that affect the borehole stability of Air-Drilling: mechanical reason, hydration reason and the Weaked surface instability reason.
研究表明，影响空气钻井井壁稳定的主要因素有三个：力学不稳定，水化不稳定和岩体破裂或弱面不稳定。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。
The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
钻井用钢丝绳通过天车和游动滑车以滑轮组的形式获得机械上效益。
Based on the nonlinear FEM, a mechanical model for PDM used in medium - and short-radius horizontal well drilling is established in this paper.
应用非线性有限元法，建立了中短半径水平井螺杆钻具力学模型。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
This paper takes oil drilling for the research objective, researching for mechanical parameter and vibration parameter of oil drilling.
本文以石油钻柱为研究对象，针对常见的中井钻柱的力学特性及动态振动进行深入研究。
Mainly USES in the steel structure constructing, the electric power tower, the communication tower and other mechanical profession plate class, Which is the best choice of plate drilling.
主要用于建筑钢结构、电力塔、通讯塔以及其它机械行业平板类，是平板材料钻孔的首选设备。
The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.
对钻头在钻进过程中的受力分析是准确预测钻头轨迹的基础。
And rock mechanical parameters are essential to the wellbore stability evaluation, so developing the model of rock mechanical parameters evaluation while drilling becomes core of the work.
岩石力学参数是随钻井眼稳定性评价的基础参数，所以，建立岩石力学参数随钻评价模型，成为此项工作的核心。
The factory has lathe, planer, boring machine, drilling machine, universal milling machines, large press as one of the mechanical processing units.
本厂有车床、刨床、镗床、钻床、万能铣床、大型压力机为一体的机械加工单位。
Much application of the long vibration motors on vibration machinery in particular of the drilling shakers is systemic summarized, correspondent mechanical models are established.
系统的总结了长形振动电机在惯性振动机尤其是石油钻井振动筛上的各种应用，建立了相应的力学模型。
Using BP algorithm of the neural network, the mechanical properties of rolled products have been predicted by multi joints of single hiding layer and different drilling rate.
应用BP算法程序，对钢材力学性能按单隐蔽层不同结点数和不同学习速率进行预报计算。
Based on the mechanical model of single bit, drilling loads on the cutting head of tunneling machine are simulated by means of computer in this paper.
基于单个截齿的受力模型，对掘进机截割头钻进工况载荷进行了计算机模拟，为截割头的结构设计和参数优化提供了理论依据。
Fracture tooth of gear shaft in well drilling pump was analysed by chemical analysis, mechanical testing metallographic examination macro and microfractography.
采用化学成分分析、力学性能测定、金相检验以及断口宏、微观分析等方法，对钻井泵齿轮轴断齿进行了分析。
Fracture tooth of gear shaft in well drilling pump was analysed by chemical analysis, mechanical testing metallographic examination macro and microfractography.
采用化学成分分析、力学性能测定、金相检验以及断口宏、微观分析等方法，对钻井泵齿轮轴断齿进行了分析。
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