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螺杆泵
    Study and Application of Working Status Macroscopic Control Chart of Screw Pumping Well
    螺杆泵油井工况宏观控制图研制与应用
    Development and Application of Rational Submersion Degree Control Diagram in Screw Pumping Wells
    螺杆泵井合理沉没度泵况控制图研究与应用
    The Analysis of Working Condition of Screw Pumping Well
    螺杆泵抽油井工况分析
    Screw pumping well working status macroscopic control chart is a sheet for indicating the pump working status, according to the needs of well production and well control, it is a diagram to indicate the relations between outlet pressure and pump efficiency.
    螺杆泵油井工况宏观控制图是根据油井生产和管理需要而绘制的用于反映螺杆泵油井工作状况的图件 ,它实际上是泵入口压力与泵效的关系简图。
    Based on this, the principle, analytical model and main functions of the screw pumping well working status macroscopic control chart are described in detail.
    为此 ,详细介绍了螺杆泵油井工况宏观控制图的原理、分析模型和主要功能。
    The results of the study provide a theoretical basis for the study of kinematic behavior and working conditions for the surface drived screw pumping system.
    为进一步研究地面驱动螺杆泵抽油杆柱的运动特性和采油系统的工作状况提供了理论基础。
    <abstract>ound-drive screw pumping system is increasingly being paid attention to owing to its many advantages. The frequent failure of screw pump polished rod greatly restricts the development of its technology.
    地面驱动螺杆泵采油系统因具有众多的优点,日益受到重视,但螺杆泵井光杆断裂频繁,严重地制约了螺杆泵采油技术的发展。
    At present time oil resources are getting less day by day,reduction of oil production cost,raising production efficiency are the first important tasks of oilfield development,through a theoretical analysis and contrast of actual use of surface driven screw pump production system with a pumping unit deep well pump production system,it is demonstrated that the screw pumping system not only has a strong adaptability in process,also has an obvious advantage in energy saving,it is an ideal lifting system at the late period of oilfield development.
    在石油资源日益紧张的今天,降低采油成本,提高生产效率成为油田发展的首要任务。 通过地面驱动螺杆泵采油系统与抽油机深井泵采油系统的理论分析和实际应用情况对比,阐明了螺杆泵采油系统不仅在工艺上适应性强,而且在节能方面有突出优势,是油田后期开发的一种理想举升系统。
    Submersion degree is an important parameter of screw pumping system. If the degree is high, influence will be caused on production rate.
    沉没度是螺杆泵抽油系统的一个重要参数,如果沉没度过高,供大于求,会影响油井产量;
    Therefore the equation for pump displacement curve simulation is used to determine that its rational submersion range is from 200 to 500 m in combination with the production situation of screw pumping wells in No. 4 Production Factory in Daqing Oilfield, a dynamic control chart for the pump is developed and it is matched with a integral diagnosis method for the screw pump and an integral diagnosis system is established.
    为此,应用螺杆泵排量曲线模拟公式,结合 大庆油田第四采油厂螺杆泵井实际情况,探索出螺杆泵井合理沉没度变化的范围200~500m,并研究螺 杆泵泵况动态控制图,同时配合螺杆泵故障综合诊断方法,形成了相互联系的综合性诊断系统。
    For the use of Y221-115 sealing-separator integration in Dongxin oilfield,it is difficult to do seat-sealing and the sealing result is unreliable,also the pump inspection periods is relatively short in screw pumping production. In view of this actuality,a new type anchor especially for screw pumps is designed,and its mechanical structure and working principle are discussed.
    针对东辛油田采用Y221-115型封隔器总成在螺杆泵生产中存在坐封难度大,坐封不可靠、检泵周期短等现状,设计了一种新型的螺杆泵专用锚定器,简述了其结构及工作原理。
 

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