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《Energy Conservation Technology》 2009-03
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Research on Rod Load and Torque of Twin-horse Head Beam Pumping Unit

DU Yu-heng (Xinglongtai Pumping Oil Plant,Liaohe Oilfield Compary of Sino-petroleum Group,Panjin Liaoning 124010,China)  
In 1996,in order to improve pumping oil system performance and save energy,a new type twin-horse head pumping unit had been developed successfully in China.Applications in the past 23 years showed that beam swing angle and stroke ratio increase 34%~52%,system efficiency increase about 30%.For the purpose of further understanding the new unit performance improvment mechanism,this paper presents the results on theoretical calculation methods of the new unit rod load and torque and their applications.By compareing the new twin-horse head pumping unit with conventional pumping unit by means of a case application in Daqing western outskirts low-permeability oilfield,authors explaines the advantage of new unit in energy saving.
【CateGory Index】: TE933.1
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