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为了合理优化机采系统及集输系统,达到效益最大化,本文分析了井口回压对油管内流体密度的影响,对抽油管杆的影响,对抽油泵漏失的影响及对抽油机能耗的影响。定性地分析了井口回压对油井的影响程度,提出了降低井口回压的几种方法和削减其影响的措施,并进行了现场应用和效果评价,希望能对今后的后续开发有所帮助。
In order to optimize the mechanical and gas gathering system and maximize the benefit, this paper analyzes the effect of wellhead back pressure on the fluid density in the tubing, the influence on the rod, the loss of the pump and the energy consumption of the pumping unit influences. This paper qualitatively analyzes the impact of wellhead back pressure on the well, puts forward some measures to reduce wellhead backpressure and measures to reduce its impact, and carries out on-site application and effect evaluation, hoping to help future follow-up development.