针对高含砂油井存在的砂埋柱塞、砂卡泵和漏失严重等问题，研制了自旋式防砂泵。
The self-cyclone de-sander is developed for treatment of sand problems in high sand content well.
配置优良、专业的不锈钢化工专用泵，自动回流系统、卡泵保护功能、流量稳定、耐用、喷涂量精确。
The good, professional stainless steel chemical-specific pumps, automatic return systems, the pump-block protection function, flow stability, durability, spraying the amount of precision.
之后司钻上提整个钻柱，移去卡瓦，在开泵并旋转的同时小心地下放钻柱，当钻头接触到井底之后，重新开始钻进。
The driller then picks up the entire drillstring to remove the slips, carefully lowers the drillstring while starting the pumps and rotary, and resumes drilling when the bit touches bottom.
应用推荐