medium-voltage bushing

Brief introduction of casing project at Ganhe reservoir water release tunnel;

泔河二库放水洞“管中套管”改造工程设计简介

It shows that the time for releasing casing gas can be predicted by the relationship of casing pressure at well head and well working level.

结果表明，套管气释放时机可通过井口套管压力值与油井动液面深度的变化关系进行预测，这样就简化了目前现场释放套管气的工作程序，为及时、准确地释放套管气，保证油井正常、高效生产提供了技术方

The fundamental principle of the volumetric well killing method is to allow the downhole gas to move up to the surface under control,maintain a constant bottom hole pressure by controlling the casing pressure and the exit drilling fluid volume,and then apply top kill method.

容积法的基本思路是利用节流阀间断放出钻井液,并通过控制套管压力和放出钻井液的量控制井内压力不变,使井内气体在受控的情况下上升至井口,然后,再实施顶部压井法压井。

To introduce the use of assembly pressure die in Al cladding steel wire drawing Joint ways between pressure casing pipe and pressure die are discussed The results show that the productivity,rate of useful product and quality of product can be raised,the auxiliary materials consume can be decreased by improving pressure casing pip

介绍组合压力模在铝包钢丝拉拔中的使用 ,讨论压力套管与压力模的结合方式 ,结果显示通过改进压力套管可提高生产效率、成材率、产品质量 ,降低辅料消