As an experienced reservoir engineer, you are required to analyze the reservoir conditions and gas...

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Accounting

As an experienced reservoir engineer, you are required to analyze the reservoir conditions and gas compositions of seven wells (Well A to Well G) with initial conditions of 5200 psia (pressure and 197.93F (temperature).

To complete this task, you need to address the following challenges:

  1. Determine the pseudocritical properties of the gases for each well using appropriate mixing rules and correction methods.
  2. Calculate the gas compressibility for each well using the Standing Katz compressibility chart and plotting pseudo-reduced properties.
  3. Compare the density of the gas from each well under ideal gas behavior conditions.
  4. Propose empirical correlation method(s) for calculating the compressibility factor of this complex gas mixture.
  5. Present your solutions on an Excel spreadsheet, including calculations and graphical representations. Problems should be solved using MS Excel Spreadsheet algorithm. No equation, no point. One tab per well. The content of this problem sheet should be copied-and-pasted on the first tab.
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\begin{tabular}{lccccccc} \hline Component & Well A & Well B & Well C & Well D & Well E & Well F & Well G \\ \hline C1 & 0.85 & 0.7 & 0.58 & 0.6183 & 0.4 & 0.87 & 0.647 \\ C2 & 0.04 & 0.14 & 0.126 & 0.077 & 0.12 & 0.0332 & 0.046 \\ C3 & 0.03 & 0.05 & 0.079 & 0.0763 & 0.14 & 0.011 & 0.008 \\ iC4 & 0.03 & 0.03 & 0.011 & 0.0173 & 0.05 & 0 & 0.0001 \\ nC4 & 0.02 & 0.02 & 0.032 & 0.0438 & 0.07 & 0.005 & 0 \\ iC5 & 0 & 0.015 & 0.014 & 0.0238 & 0.02 & 0 & 0 \\ nC5 & 0 & 0.01 & 0.02 & 0.026 & 0.06 & 0.0015 & 0 \\ C6 & 0 & 0.005 & 0.022 & 0.0434 & 0.08 & 0 & 0 \\ C7+ & 0 & 0 & 0.045 & 0.0687 & 0.06 & 0 & 0 \\ CO2 & 0.02 & 0.02 & 0.039 & 0.003 & 0 & 0.0053 & 0.0727 \\ H2S & 0 & 0 & 0.03 & 0 & 0 & 0 & 0.115 \\ N2 & 0.01 & 0.01 & 0.002 & 0.0024 & 0 & 0.074 & 0.1112 \\ \hline \end{tabular}

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