顶替效率高。介绍了国外常见的几种深水固井水泥浆技术，包括快凝石膏水泥浆体系、PSD水泥浆技术、高铝水泥、充气水泥浆技术和其他水泥浆技术。

The several conventional cementing technologies for deep sea abroad were reviewed which included rapid setting gypsum slurry, PSD slurry, high alumina slurry, aerated slurry and so on.

youdao

着重观测了快(闪)凝与正常凝的水泥熟料的结构和水化过程的显著差别。

A quick-setting (flash-setting) cement and a no (?) mal-setting cement were systematically studied for the difference in petrographic structure of clinker, their hydration and hardening of cements.

youdao

着重观测了快(闪)凝与正常凝的水泥熟料的结构和水化过程的显著差别。

A quick-setting (flash-setting) cement and a no (?) mal-setting cement were systematically studied for the difference in petrographic structure of clinker, their hydration and hardening of cements.

youdao