固井工程中盐膏层蠕变危害分析

Harm of Salt Bed Creeping in Well Cementation

盐膏层的可流动性对固井质量的影响程度比盐膏层扩径对固井质量的影响要大。分析了盐膏层蠕变的机理,阐述了盐膏层蠕变对固井工程的危害,提出了在固井工艺措施方面应对盐膏层蠕变的建议。

The flow property of salt bed does more harm to cement job quality than salt bed’s hole enlargement.This article first analyzes the mechanism of salt bed’s creeping, and then expounds on the damage to well cementation, finally, this article gives some reasonable suggestions to deal with salt bed’s creeping in the respect of well cementation’s technologic measures.