To solve the problem, this paper establishes a mechanical model of casing bend to explain the relative slipping and casing bend mechanism for some layer segments.

• 为解决产层套管的弯曲问题,通过建立压实、出砂引起的弯曲套管的力学模型,来解释部分层段产生相对滑动以及弯曲的机理。