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- A good way to help you to improve drilling technique is to use a jet bit. 能帮助你们改进钻井技术的一种好方法是使用喷射式钻头。
- The dynamic boundary condition between revolving drill string and borehole wall is one of the fundamental research contents of drilling string dynamics and torque and drag calculation. 旋转钻柱与井壁的碰撞摩擦边界是钻柱动力学研究和摩阻扭矩计算的基础研究内容。
- Whether the new drilling technique will really enable us to get better results must be proved. 新的钻井技术是否真能使我们得到更好的结果必须验证。
- The flexible drill string is one of the key tools to materialize the high accuracy directional drilling technique. 挠性钻杆是实现高精度定向钻孔技术的关键器具之一。
- Vic directional drilling technique refers to a methed of directional drilling using Vic Drill-Headwtihout conven tional whipstocks. Vic定向钻进技术是采用Vic定向钻具进行定向钻进的一种方法。
- The causes of sidewall instability in Bonan area are analysed in three sides:geological factors,drilling fluid properties and drilling technique. 对渤南地区井壁不稳定的原因，从地质因素、钻井液特性及钻井工艺措施等三方面进行分析；
- Horizontal well is a new drilling technique developed in recent years,which can effectively reduce the cost of reservoir development. 水平井是近年来发展起来的一种新的钻井技术,它可以有效地降低油田开发成本。
- The clinical results were evaluated and a drilling technique with Kirschner wire (K-wire) for screw insertion was developed and is presented here. 我们评估治疗的临床结果，并且提出一种使用K-钢针钻孔的修正技术来改善螺丝植入。
- With concrete measures adopted, the pipeline crossing with directional drilling technique in rocky stratum of middle reaches of Yangtse River succeeded for the first time. 通过具体实施，在长江中游岩石层中首次采用水平定向钻技术穿越原油管道获得成功。
- In order to solve the difficulties from the drilling of deep hole, this paper introduces the drilling technique for deep hole by supersonic circumferential vibration. 针对深孔加工难度大的特点,采用超声圆周振动加工技术,在普通车床上附加一套振动装置。
- According to the sloughing mechanism，the optimum drilling technique and the optimum formulation of polyalcohol-KCl drilling fluid for coalbed were achieved. 煤岩自身的强度较低，吸水后强度会进一步下降，浸泡液类型和围压对煤岩强度有很大的影响。
- Core drilling techniques are used when precise, circular cuts are needed. 当使用精确的钻探技术,需要削减圆。
- Abstract： As the development of petroleum industry and progress of science &technology,drilling technique will enter into a new phase of artif icial intelligence drilling. 摘 要： 随着石油工业的发展和科学技术的进步，钻井技术将进入人工智能钻井的新阶段。
- The reason for this “quiet revolution”, as Tony Hayward, the boss of BP, recently described it, is a drilling technique known as “hydraulic fracturing. BP的老板，托尼海沃德最近将这一变化称为“静悄悄的革命”，而其产生的原因是名为“液压分裂”的钻探技术。
- UBD is a drilling technique that reduces the hydrostatic pressure of the drilling fluid, causing the pressure in the wellbore to be less than the formation pressure. UBD是一项钻井技术，此技术可以减少钻井泥浆带来的液体压力，引起的井身的压力远小于架构产生的压力。
- XU Xiao-jun, LI Shi-jing.Diamond drilling technique for extra-hard, compact and weak-abrasiveness formation[M].Beijing: Geological Publishing House, 1989:1 - 30. [1]徐晓军;李世京.;坚硬致密弱研磨性岩层金刚石钻进技术[M]
- The method in the paper is of guiding significance for the theory study of drill technique and perverting drillstring from failure. 对钻井技术的理论研究和预防钻柱失效具有指导意义。
- I think they are using a revolving stage. 我想他们用一种旋转舞台。
- The paper introduces the application of continuous controlling drilling techniques in Du 84 Block of Shuguang Oilfield. 介绍了连续控制钻井技术在曙光油田曙一区杜84块定向井施工中的应用情况。
- The application result of diamond drilling techniques in Huanglong Coalfield is analyzed emphatically in the paper. 分析了黄陇煤田大佛寺井田金刚石单管和双管取心及绳索取心钻井技术应用效果;
