Abstract
The task on the definition of effort value for development of necessary hermetization of plunger-sealing pair in oil field pumps has been solved. Many years experience of operation of oil field equipment while underground repair of wells shows that ensuring reliability and service time of applied pump units is mostly specified with the quality and operation characteristics of detail components and friction of pumps’ hydraulic parts. It is shown that among the main reasons for detail failures, the wear of plunger and valves, the breakage of sealing collar are dominating.
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