A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况,研制了强启闭柱塞抽油泵。
Hyundai's messages of the early clunker rebates, along with Assurance and the Gas Lock programs, gave the marketer "a better and richer story to tell, " he said.
现代汽车早先的旧车回扣口号,和担保计划与油价补贴计划一起,给了营销商更精彩和更丰富的故事去讲,“他说到。
Through the catalysis of modifier, it successfully solves the problems of low-carbon fuel with poor ignition performance at low temperature and gas lock at high temperature.
通过改性剂的催化作用,成功解决了低碳燃料低温引燃性差、高温时易发生气阻的问题;
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