改善钻柱工作性状的应用研究方雪松（中航勘察设计研究院北京１０００８６）通过对深孔钻进钻杆柱工作性状的理论研究及其计算机仿真，得出的主要结论ｔ‘１之一是应尽可能减小中和点以下的钻柱振动，尤其是钻头的振动。减小钻柱振动的方法除了工艺方法和操作技术以外，作... Application Research of Improving Drill String Working Characters Fang Xuesong (China Aviation Investigation & Design Institute, Beijing 100086) Based on the theoretical research and computer simulation of the drill string working characteristics of deep hole drilling, one of the main conclusions Minimize drill string vibrations below the neutralization point, especially bit vibrations. Ways to reduce the vibration of the drill string in addition to process methods and operating techniques, as ...