When estimating productivity of refractured well,the primary fracture is considered to be disabled and it is not coincident with actual facts and a great error of prediction result exists.

• 在对重复压裂井进行产能评价时,常常认为初次压裂形成的裂缝完全失效,这种考虑与实际情况是不相符合的,导致对重复压裂井的产能预测有很大的误差。