钻柱动力学研究回顾及新思路的提出

Review and new research of drill string system dynamics

祝效华 童华 刘清友

Zhu Xiaohua Tong Hua Liu Qingyou

西南石油大学, 四川成都 610500

Southwest Petroleum University, Chengdu 610500

全井钻柱非线性系统动力学是钻井工程中不可回避的研究课题, 是评估和推行新的钻井工艺、钻井技术、钻井工具的基础理论和方法之一。在总结前人研究的基础上, 回顾了钻柱力学的发展进程, 提出了"全井钻柱非线性系统动力学"的研究命题, 论述了其研究必要性、紧迫性及可行性, 给出了命题的研究思路和主要内容。

Nonlinear Drill String System Dynamics is an ineluctable subject in drilling engineering, which is one of the basic theories and methods of evaluating and carrying out new drilling technology, new drilling technique and new drilling tools. The development of drilling dynamics is reviewed in this paper. The research proposition of "Nonlinear Drill String System Dynamies"is put forward. And the necessity, the urgency and the feasibility of the research are demonstrated. Besides, the main research clue and content are presented.

国家自然科学基金项目(50704007);博士后基金项目(20060391034)