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1999年 ,美国和加拿大石油机械制造商在螺杆泵、水力泵、气动举升及柱塞举升采油技术装备方面共取得 12项研究成果。在螺杆泵 (PCP)技术方面 ,开发了新型PCP定子、高扭矩PCP抽油杆、地面驱动头与液压刹车系统、无漏失盘根盒及泵控制器 ;在水力泵技术方面 ,研制了水力长冲程抽油泵系统、超长冲程有杆泵系统、水力泵油管泄油器和多相泵柱塞密封装置 ;在气动举升和柱塞举升技术方面 ,推出了气动抽油系统、气动抽油机及套管柱塞系统。对以上技术装备的原理、结构和性能特点作了简要介绍
In 1999, the United States and Canada petroleum machinery manufacturers in the screw pump, hydraulic pump, pneumatic lifting and plunger lift oil production technology and equipment obtained a total of 12 research results. In the PCP technology, a new type of PCP stator, high torque PCP sucker rod, ground-driven head and hydraulic brake system, no missing box and pump controller have been developed. In hydraulic pump technology, Stroke pumping system, long-stroke rod pump system, hydraulic pump oil drain and multiphase pump plunger seal; pneumatic lift and plunger lift technology, the introduction of the pneumatic pumping system, pneumatic pumping Machine and casing plunger system. The above technical equipment, the principle, structure and performance characteristics made a brief introduction