【摘要】：鉆柱振動問題在鉆井實踐中普遍存在,鉆柱惡性振動是造成鉆頭、鉆柱失效的重要原因,其會降低鉆井時效,增加鉆井成本。如何有效識別鉆柱惡性振動并加以抑制是一個重要的課題,國內(nèi)外對其開展了大量的攻關(guān)研究和工程實踐。本文詳細(xì)闡述了鉆柱耦合振動的理論研究現(xiàn)狀及最新發(fā)展趨勢,對鉆柱振動室內(nèi)實驗研究進(jìn)行了總結(jié),介紹了國內(nèi)外井下振動監(jiān)測裝置、鉆柱振動抑制工具研發(fā)與應(yīng)用的最新進(jìn)展;最后提出理論研究與室內(nèi)試驗相結(jié)合,研發(fā)鉆柱動力學(xué)分析軟件及井下振動識別監(jiān)測工具,配套合適的抑制、減振工具是解決鉆柱惡性振動問題的主要方法;同時建議開展振動抑制一體化解決技術(shù)的研究。
[Abstract]:Drilling string vibration is a common problem in drilling practice. The malignant vibration of drill string is an important reason for the failure of drill bit and drill string, which will reduce drilling efficiency and increase drilling cost. How to effectively identify and suppress the malignant vibration of drill string is an important subject. A great deal of research and engineering practice have been carried out on it at home and abroad. In this paper, the present situation and the latest development trend of the theoretical research on the coupling vibration of drill string are described in detail, and the laboratory experimental research on the vibration of drill string is summarized, and the underground vibration monitoring device at home and abroad is introduced. The latest progress in research and application of drill string vibration suppression tools; Finally, combining theoretical research with laboratory test, developing drill string dynamics analysis software and downhole vibration identification and monitoring tool, matching suitable suppression, vibration damping tool is the main method to solve the problem of malignant vibration of drill string. At the same time, it is suggested to carry out the research on the integrated solution technology of vibration suppression.
【作者單位】： 中石化中原石油工程有限公司鉆井工程技術(shù)研究院;
【基金】：中國石化科技攻關(guān)項目(JP15010) 國家科技重大專項(2011ZX05017-002)~~
【分類號】：TE921

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