A dry gas well equipped 30 MMcfd with 85psig tubing pressure must be compressed to 300 psig for sales by centrifugal compressor design What is the amount of actual power required to perform this job, estimate the minimum number of compression stages required for optimum compression efficiency? Additional data nsty = 0.069 cuft , suction temperature 85 K = 1.2 . theoretical speed N - 12200 rpm average deviation factor -0.85atmospheric pressure (assumed xd)=14.71 psia

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