旋转钻柱与井壁的碰撞摩擦边界问题研究
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摘要
旋转钻柱与井壁的碰撞摩擦边界是钻柱动力学研究和摩阻扭矩计算的基础研究内容。介绍了6种钻柱与井壁边界问题的研究方法,借助有限单元法中构造形函数的思想,提出了时间历程形函数法,构造钻柱与井壁的动态边界。将构造的动态边界模型融入全井钻柱系统动力有限元模型中,研究了钻柱的动力学特性,根据仿真结果与现场实测数据的对比,验证了该研究方法的正确性和合理性。
The dynamic boundary condition between revolving drill string and borehole wall is one of the fundamental research contents of drilling string dynamics and torque and drag calculation.Because of its difficulty,there is not enough research accumulation can be used for reference.This paper reviewed the existing related research fruits,and developed a new method named "time history shape function method" to study this dynamic boundary condition.This new boundary model was introduced into the drilling string system dynamics model,and developed the research job of the drilling string systematic dynamics characteristics and torque and drag calculation.The comparation between simulation results and field data shows that,this new research method is quite accurate and reasonable.
The dynamic boundary condition between revolving drill string and borehole wall is one of the fundamental research contents of drilling string dynamics and torque and drag calculation.Because of its difficulty,there is not enough research accumulation can be used for reference.This paper reviewed the existing related research fruits,and developed a new method named "time history shape function method" to study this dynamic boundary condition.This new boundary model was introduced into the drilling string system dynamics model,and developed the research job of the drilling string systematic dynamics characteristics and torque and drag calculation.The comparation between simulation results and field data shows that,this new research method is quite accurate and reasonable.
引文
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[3]王正湖,孟祥玉,曹锡玲,等.垂直井中旋转钻柱受拉段分岔研究[J].石油大学学报(自然科学版),2001,25(2):13-16.
[4]苏华,王光远,张学鸿.细长杆与圆孔壁接触碰撞问题的动力间隙元法[J].地震工程与工程振动,1996,16(1):79-85.
[5]况雨春.牙轮钻头与井壁碰撞的室内实验研究[J].天然气工业,2002,22(1):55-58.
[6]祝效华,刘清友,童华.牙轮钻头动力学特性仿真研究[J].石油学报,2004,25(4):96-101.
[7]焦永树,蔡宗熙,严宗达.铅垂井段钻柱的动力分岔研究[J].石油学报,2001,22(5):86-91.
[8]焦永树,蔡宗熙,严宗达.扭矩和边界约束对水平井钻柱静力分岔的影响[J].石油机械,2000,28(2):44-47.
[9]刘绵阳,洪嘉振.多点接触碰撞的数值计算[J].上海交通大学学报,1997,31(7):45-48.
[10]贺志刚.大位移井摩阻扭矩分析与应用研究[D].成都:西南石油学院,2001.
[11]祝效华.旋转钻柱系统动力学特性研究[D].成都:西南石油学院,2005.
[2]范慕辉,焦永树,王磊.垂直井中受压段旋转钻柱的分岔研究[J].工程力学,2003,20(6):127-130.
[3]王正湖,孟祥玉,曹锡玲,等.垂直井中旋转钻柱受拉段分岔研究[J].石油大学学报(自然科学版),2001,25(2):13-16.
[4]苏华,王光远,张学鸿.细长杆与圆孔壁接触碰撞问题的动力间隙元法[J].地震工程与工程振动,1996,16(1):79-85.
[5]况雨春.牙轮钻头与井壁碰撞的室内实验研究[J].天然气工业,2002,22(1):55-58.
[6]祝效华,刘清友,童华.牙轮钻头动力学特性仿真研究[J].石油学报,2004,25(4):96-101.
[7]焦永树,蔡宗熙,严宗达.铅垂井段钻柱的动力分岔研究[J].石油学报,2001,22(5):86-91.
[8]焦永树,蔡宗熙,严宗达.扭矩和边界约束对水平井钻柱静力分岔的影响[J].石油机械,2000,28(2):44-47.
[9]刘绵阳,洪嘉振.多点接触碰撞的数值计算[J].上海交通大学学报,1997,31(7):45-48.
[10]贺志刚.大位移井摩阻扭矩分析与应用研究[D].成都:西南石油学院,2001.
[11]祝效华.旋转钻柱系统动力学特性研究[D].成都:西南石油学院,2005.
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