最后对常见的钻柱振动和井斜问题介绍了有效的控制方法。
Finally, the paper introduced effective control methods of common drill string vibration and deviation problem.
为了实现依据钻柱动力学的井眼轨迹控制，应特别重视钻柱振动特性与钻头受力状况的相互影响。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
钻柱裂纹成核、扩展、刺漏等事故及断裂的控制是确保钻杆在钻井中运行安全的重要措施。
The control that accidents and fractures of crack nucleation, propagation and washout in drill pipes are importance steps to keep drill pipes safe run.
钻柱振动失效控制装置通过曲率段时会发生较大的弯曲变形、承受较大的弯曲应力。
Drillstring vibration control device will occur bending deformation and bear greater bending stress through the curvature.
利用本文结果，并结合钻柱力学分析，便可对井眼轨迹进行预测和控制，又可反求地层因素等。
Combined with a BHA analysis program, the results of the present study can be used to predict and control the drilling trajectory and to generate the formation factors as well.
用旋转导向系统RSDS进行大位移井钻井，可望相当准确的控制井眼轨迹，大幅度减少钻柱所受的摩阻和扭矩，显著改善井眼的清洁状况。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
常规的、不可变径的钻柱稳定器现在依然是井斜控制井底钻具组合中不可缺少的组件。
The ordinary non-adjustable stabilizer is still now an indispensable element of DHA(Down-Hole Assembly) for controlling well inclination.
常规的、不可变径的钻柱稳定器现在依然是井斜控制井底钻具组合中不可缺少的组件。
The ordinary non-adjustable stabilizer is still now an indispensable element of DHA(Down-Hole Assembly) for controlling well inclination.
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