All issues Volume 72 / No 3 (May–June 2017) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 72 3 (2017) 16 Full HTML
The dynamic hanging loads on polished rod for the four pumping stroke cycles in the producing CBM wells studied: a) calculated by Schafer’s method, b) calculated by Gibbs’s method, c) calculated by the proposed method.
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