The pressure transfer coefficients and calculation formulas of viscoelastic formation creep additional load mentioned in the paper may be available for reference to multiplecasing design.
文中所提供压力传递系数和粘弹性地层蠕变附加荷载计算公式可供多层套管设计参考。
2
Finally, the buckled string will make multiple wear on casing, tubing and rod string.