钻柱力学与套管磨损预测若干研究进展  被引量:9

Some Research Advances in Drill String Mechanics and Casing Wear Prediction for Well Engineering

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作  者:高德利[1] 黄文君[1] 刘永升[1] 谭雷川 GAO Deli;HUANG Wenjun;LIU Yongsheng;TAN Leichuan(MOE Key Laboratory of Petroleum Engineering,China University of Petroleum-Beijing,Beijing 102249,China)

机构地区:[1]中国石油大学(北京),石油工程教育部重点实验室,北京102249

出  处:《石油管材与仪器》2020年第4期1-9,共9页Petroleum Tubular Goods & Instruments

基  金:国家自然科学基金创新研究群体项目“复杂油气井钻井与完井基础研究”(项目编号:51821092);国家自然科学基金石油化工联合基金项目“页岩和致密油气田高效开发建井基础研究”(项目编号:U1762214);国家自然科学基金青年基金“旋转钻柱动力屈曲临界条件与后屈曲蛇形摆动和螺旋涡动行为研究”(项目编号:51904317);中国石油大学(北京)科研启动基金(项目编号:ZX20180414)。

摘  要:随着油气勘探开发活动向着深层、深水及非常规等复杂领域的不断扩展,钻井面临的井况与约束条件更加苛刻,钻柱的力学行为更加复杂,失效问题频发。针对钻柱屈曲、钻柱动态特性及套管磨损等复杂钻井力学问题,综合分析了国内外的研究进展、不足之处及未来发展趋势,介绍了笔者团队的一些相关研究成果。目前,钻柱屈曲研究基本上还停留在静力学范畴,今后有必要加强动力屈曲问题的研究;钻柱动力学的研究重点逐渐转移到多重耦合非线性振动问题,需要探讨更加高效的求解算法;现场实测的套管磨损形状非常复杂,需要建立更加准确的套管磨损预测模型。通过综合阐述这些研究进展,以期为复杂钻完井工程优化设计与安全高效作业控制提供有益参考。With oil and gas exploration and development activities expanding into deep earth,deep-water and unconventional areas,downhole conditions for drilling and completion are more critical,and mechanical behaviors of downhole tubular strings are more complicated and failure phenomena occur frequently.This paper focuses on advances of three aspects including drill string buckling,drill string dynamics and casing wear prediction.It summarizes the overall research progress at home and abroad,points out the current research deficiencies and future development trends,and introduces our team′s research achievements.It is indicated that current researches on drill string buckling mainly belong to statics,and the next step is to strengthen the study of dynamic buckling.Researches of drill string dynamics are gradually shifted to multiple coupled nonlinear vibration problems,requiring more efficient solution algorithms.Casing wear shape measured in practice is very complicated,therefore more accurate casing wear prediction models are needed.The review of these research advances is expected to provide a beneficial reference for the optimal design and the safe&efficient operation control in drilling&completion engineering under complicated conditions.

关 键 词:油气井 钻井与完井 钻柱力学 管柱屈曲 套管磨损 振动 

分 类 号:TE21[石油与天然气工程—油气井工程]

 

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