1) variable curvature well
变曲率井
1.
Based on Love equilibrium equations for a curved and twisted bar in space,the 2-D equilibrium equations of the tubular restrained by the radial wall of a variable curvature well are obtained by introducing of the radial constraint.
基于Love的空间弯扭杆平衡方程,通过引入井壁约束条件导出了平面变曲率井内受径向约束管柱的平衡方程。
2) constant-curvature wells
等曲率井
1.
The governing differential equilibrium equations of the quasi-static loading model for nonlinear helical buckling of tubing in constant-curvature wells are solved by the finite element method.
采用有限元法对等曲率井中钻柱非线性螺旋屈曲准静态加载模型的控制微分方程进行了求解,对准静态加载模型的合理性进行了数值验证,力学模型中考虑了钻柱的重力,澄清了钻柱螺旋屈曲特征值问题和准静态加载问题的理论基础。
2.
The equilibrium equations and the potential energy function of tubing buckling with weight in constant-curvature wells are derived.
建立了等曲率井中有重钻柱屈曲的平衡方程及对应的泛函表达式,用有限元法对等曲率井中有重钻柱屈曲过程进行了分析,给出了钻柱正弦屈曲和螺旋屈曲临界载荷的定义。
3) borehole curvature
井眼曲率
4) hole curvature
井身曲率
5) inclination curvature
井斜曲率
6) constant-curvature well
等曲率弯曲井
补充资料：白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
白银有色金属公司深部铜矿主井和副井
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条