我队306机在采用泥浆钻进中，曾因泥浆的质量低劣，含砂量过高，致使水泵塞线磨损十分厉害，差不多是班班紧压盖，天天换塞线，严重的影响了钻进，后经机场及工程管理人员共同研究，将用过的旧活塞皮碗置于废机油中加热至130—150℃左右，并经过十分钟的时间后，再取 Our team 306 machine in the use of mud drilling, had due to the poor quality of mud, sand content is too high, resulting in very serious wear and tear of the pump plug, almost class compaction cover, changing the plug every day, a serious impact on the drill Into and after the airport and project management staff to study together, will be used in the old piston cup placed in waste oil heated to about 130-150 ℃, and after ten minutes, and then