钻进式井壁取心器电磁阀的高温高压性能改进

Improvement of high temperature and high pressure performance of the electromagnetic valve of Sidewall 日otary coring Tool

为了解决钻进式井壁取心器电磁阀深井故障率高的问题,通过计算与校核,对电磁阀的电磁铁、阀体与阀芯、复位弹簧进行了改进。

In order to solve the problem of Sidewall Rotary Coring Tool of deep well electromagnetic valve in drilling type well wall corer, through calculation and check, the electromagnet, valve body and valve core and reset spring of the electromagnetic valve are improved.