Research for Calculation Model of Allotypic Pumping Unit Load

Xue Qi Cen; Xiao Dong Wu; Shu Wei; Xi Shun Zhang; Jia Ming Zhang; Jing Fei Tang; Shu Dong Li

doi:10.4028/www.scientific.net/AMM.527.121

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 527Research for Calculation Model of Allotypic...

Research for Calculation Model of Allotypic Pumping Unit Load

Abstract:

A research has been developed for calculation models of allotypic pumping units load against a series of problems, which are ubiquitous in the oil field, such as unreasonable selection of the pumping unit type, low capacity factor of the pumping unit load, lacking of computing method of allotypic pumping unit load, etc. In the research, a calcaulation model of polished rod motion parameters has been firstly established according to the architectural feature of offset pumping units, dual horsehead pump units and tower pumping units. Then the load calculation model of allotypic pumping units were built based on the superposition method of each rod string stress. And after validating the load models in the oil field, the results have been indicated that the models have been in good agreement with the polished rod load. Therefore, the load calculation model of allotypic pumping units in this paper will be of some guidance significance to the selection of the pumping unit type and the stress check of the rod string in the oil field.

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Periodical:

Applied Mechanics and Materials (Volume 527)

Pages:

121-129

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.527.121

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Online since:

February 2014

Authors:

Xue Qi Cen*, Xiao Dong Wu, Shu Wei, Xi Shun Zhang, Jia Ming Zhang, Jing Fei Tang, Shu Dong Li

Keywords:

Allotypic Pumping Unit, Load Calculation, Polished Rod Motion, Structure of the Pumping Unit

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* - Corresponding Author

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