uSE Excel

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Question 1 Core was retrieved from the Entrada Sandstone in the Fed-Medio no. 1 in Northwest New Mexico. Using the Entrada data only (The Entrada begins at a depth of 5243ft and ends at the total depth of 5296ft.) complete the following tasks: 1. Determine the mean and median porosity values and create a porosity histogram. Explain what you observe from this analysis. 2. Determine the arithmetic, geometric and harmonic mean of the permeability. Construct a permeability histogram and explain your observations. Question 2 For the Entrada interval described in Question (1) determine the Dykstra - Parsons permeability coefficient. Procedure a. Arrange the permeability data in descending order. b. Compute the percent of total number of k-values exceeding each tabulated, permeability. c. Plot the log of permeability vs. the cumulative frequency distribution. d. Insert a trendline of the data and from this fit calculate the K50 and k84.1 values, respectively. e. Calculate the Dykstra-Parsons coefficient and explain your results