Evaluation of Ultra-Deep Gas Reservoirs Benefit Construction Based on Combined Weight
A combined weight model with variable weights of key indicators is established by a comprehensive quan-titative analysis of subjective and objective weighting.Based on TOPSIS decision model,the benefit construction of ultra-deep gas reservoirs is evaluated.Taking 8 ultra-deep gas reservoirs as examples,the evaluation results by using this method are compared with those of traditional single subjective weighting method and objective weighting method.The results show that this method can give full play to the advantages of subjective and objective weighting methods,and reduce the adverse influence of single weighting on indicator weights.The evaluation results are more in line with the actual situation of developed gas reservoirs.
ultra-deep gas reservoirbenefit constructioncombined weightvariable weightsTOPSIS decision model
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