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The worldwide demand for fossil fuels, especially natural gas as an environmental friendly energy resource with economically feasible production, is annually increasing.
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#Pipesim dry gas skin#
Also, results demonstrated that reduction of skin can lead to maximum 73% enhancement in daily volumetric gas production rate of well. Therefore, the problem of low well production rate was attributed to high skin factor as a result of formation damage. Sensitivity analysis on uncertainty parameters, skin factor and drainage radius, shows that skin factor of the investigated well varies between 11 and 12.9 for drainage radius in the range of 3000–20000 ft. Results of nodal analysis for this well indicated that a significant discrepancy exists between calculated and actual production rate. Then, accuracy of nodal analysis in prediction of well operating point was investigated through comparing with reservoir simulator results. Also, five different tubing pressure drop models were evaluated using extracted pseudo spontaneous potential (PSP) data from reservoir model to select the most accurate one for computing tubing performance relationship (TPR) data. Effects of reservoir rock and fluid model simplification on inflow performance relationship (IPR) curves were investigated. A multi-layered gas condensate reservoir model was constructed and simulated using actual reservoir rock and fluid properties. In this strategy, the nodal analysis approach is applied for production optimization and performance assessment of a real inclined well. In this study, a novel and integrated strategy is proposed to investigate the problem of low production rate of gas well in a supergiant gas condensate reservoir.