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- It is an important research subject how to control the azimuth of borehole trajectory by an application of the regularity of drift. 在井眼轨道的描述模型、设计方法和设计结果等方面,它与常规的二维剖面设计存在着显著的差异。
- Off-target distance is a key index for measuring quality of borehole trajectory,of which the key is to find out solution to coordinates of target points. 靶心距是衡量井眼轨迹质量的一个关键指标,计算靶心距的核心问题是求解入靶点的坐标。
- The structure and principle of operation of the stabilizer,and method for controlling borehole trajectory with the close_loop adjustable stabilizer at downhole are described in detail. 本文着重论述了井下闭环可变径稳定器的结构、工作原理及其控制井眼轨迹的方法。
- Parameters calculation of borehole trajectory using MWD and well logs as well as the pseudo-dips estimation indicate that real dilling results are quite different from the dilling plans. 通过原因分析，包括井眼轨迹参数的对比分析、地层视倾角的确定等，找出了造成该井水平段失误的原因，指出了针对薄储层进行水平井钻井时应该注意的技术事项。
- THE CURVE STRUCTURE METHOD OF BOREHOLE TRAJECTORY CALCULATION 计算井眼轨道的曲线结构法
- Keywords drilling bit formation anisotropism borehole trajectory prediction; 钻头;地层;各向异性;井眼轨迹;预测;
- PREDICTION OF BOREHOLE TRAJECTORY BY INTERACTION MODEL BETWEEN DRILLING BIT AND STRATUM 用钻头与地层相互作用模式预测井眼轨道
- Keywords rock drillability formation anisotropy drill bit interaction direc-tional well borehole trajectory; 岩石可钻性;地层各向异性;钻头;作用定向井井眼轨迹;
- Keywords sidewall stability;collapse pressure;earth stress;oil-base drilling fluid;borehole trajectory; 井壁稳定;坍塌压力;地应力;油基钻井液;井眼轨迹;
- Keywords adjustable stabilizer;extended_reach well;drilling technology;downhole closed_loop;borehole trajectory;control technique; 可变径稳定器;大位移井;钻井技术;井下闭环;井眼轨迹;控制技术;
- The missile deflected from its trajectory. 导弹已偏离轨道。
- Optimizing Borehole Trajectory 优化井眼轨迹
- borehole trajectory 井眼轨迹
- My career seemed to be on a downward trajectory. 我的事业似乎在走下坡路。
- Historical trajectory and path dependency. 历史轨迹与路经依赖。
- To place into an orbit, a trajectory, or a stream. 置于放入一个轨道、弹道或潮流中
- The path followed by a projectile is called its trajectory. 发射体所循的路径称为它的轨道。
- The median line in the trajectory of fire of an artillery piece. 中线一门大炮开火的轨迹中线。
- It is not difficult to sketch the subsequent trajectory. 很容易描绘出它们后来的轨迹。
- The quality of borehole directly influences the effect of blasting. 钻孔质量的好坏,直接关系到爆破效果的优劣。
