石油钻柱顶部高频激振解卡耦合响应特性

doi:10.7623/syxb202012022

石油学报 ›› 2020, Vol. 41 ›› Issue (12): 1697-1705.DOI: 10.7623/syxb202012022

石油钻柱顶部高频激振解卡耦合响应特性

张彦廷, 郑志滨, 陈敬凯, 黄鲁蒙, 张晧, 王志坤, 葛政

中国石油大学(华东)机电工程学院山东青岛 266580

收稿日期:2020-04-24 修回日期:2020-09-08 出版日期:2020-12-25 发布日期:2021-01-06
通讯作者: 郑志滨,男,1995年5月生,2018年获青岛科技大学学士学位,现为中国石油大学(华东)硕士研究生,主要从事油气井管柱力学研究。Email:1261037508@qq.com陈敬凯,男,1989年2月生,2010年获中国石油大学(华东)学士学位,2017年获美国莱斯大学博士学位,现为中国石油大学(华东)讲师,主要从事钻井工程、断裂力学相关的研究。Email:chenjingkai_upc@126.com
作者简介:张彦廷,男,1968年8月生,1991年获石油大学(华东)学士学位,2006年获浙江大学机械电子工程专业博士学位,现为中国石油大学(华东)教授、博士生导师,主要从事流体传动与控制、海洋石油装备的教学与科研工作。Email:ytzhang68@163.com
基金资助:
国家自然科学基金项目（No.51804333）、山东省博士后创新项目（sdbh20180010）和山东省重点研发计划项目（2019GHZ001）资助。

Coupling response characteristics of drill string unfreezing by high-frequency excitation

Zhang Yanting, Zheng Zhibin, Chen Jingkai, Huang Lumeng, Zhang Hao, Wang Zhikun, Ge Zheng

College of Mechanical and Electronic Engineering, China University of Petroleum, Shandong Qingdao 266580, China

Received:2020-04-24 Revised:2020-09-08 Online:2020-12-25 Published:2021-01-06

摘要/Abstract

摘要：

采用顶部高频激振进行钻柱解卡具有操作简便、高效低成本的优点，但是解卡作业效果受到井下复杂环境的严重影响。将解卡装置和钻柱相结合，并考虑环境因素影响，建立解卡装置-钻柱系统耦合振动模型，据此揭示系统振动响应特性，以及钻井液黏度、卡点深度、井斜角及高频解卡装置的工作参数等因素对卡点处解卡力的影响特性，并结合特定工况确定最佳工作参数范围。研究结果表明：在高频激振解卡作业中，解卡效果的影响因素相互耦合；针对实际作业环境和钻柱结构，通过优化获得最佳的作业参数，可以有效地提高解卡效果。

关键词: 钻柱卡钻, 激振解卡, 耦合模型, 固有频率, 解卡力

Abstract:

The use of top high-frequency excitation for drill string unfreezing has the advantages of simple operation, high efficiency and low cost, but the effect of unfreezing operation is seriously affected by the complex downhole environment. Combining the unfreezing device with the drill string and considering the impact of environmental factors, this study establishes a coupled vibration model of the unfreezing device and drill string, so as to reveal vibration response characteristics of the system, and the influence characteristics of such factors as the viscosity of drilling fluid, the depth of free point, hole deviation angle, and working parameters of the high-frequency unfreezing device on the unfreezing force at the free point. Additionally, the optimal range of working parameter is determined according to specific working conditions. The research results show that in the unfreezing operation through high-frequency excitation, the influence factors of unfreezing effect are coupled with each other; according to the actual operating environment and drill string structure, the unfreezing effect can be effectively improved by obtaining the optimal operating parameters.

Key words: sticking of drill string, excitation unfreezing, coupling model, natural frequency, unfreezing force

中图分类号:

TE921

张彦廷, 郑志滨, 陈敬凯, 黄鲁蒙, 张晧, 王志坤, 葛政. 石油钻柱顶部高频激振解卡耦合响应特性[J]. 石油学报, 2020, 41(12): 1697-1705.

Zhang Yanting, Zheng Zhibin, Chen Jingkai, Huang Lumeng, Zhang Hao, Wang Zhikun, Ge Zheng. Coupling response characteristics of drill string unfreezing by high-frequency excitation[J]. Acta Petrolei Sinica, 2020, 41(12): 1697-1705.

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石油钻柱顶部高频激振解卡耦合响应特性

Coupling response characteristics of drill string unfreezing by high-frequency excitation

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