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1. The following isochronal test was performed on the discovery well at initial reservoir conditions:
Time, hrs.                        Pwf , psia
q = 5                      q = 10                   q = 15             q = 20
      MMcfd                      MMcfd                  MMcfd            MMcfd
1       1857                        1688                      1483                1224
2       1848                        1668                      1449               1168
4       1839                        1648                      1414               1110
8       1830                        1628                      1379               1049
12       1825                        1616                      1357               1011

Pi = 2000 psia Tf = 100oF γg = 0.65 rw = 6’’
A = 2560 acres h = 50 ft. φ = 15% Swi = 25%
Determine the inflow equation coefficients, a and b, using isochronal test analysis and assuming there are 4 wells in the reservoir
2. The results a two-rate well test for newly drilled gas well are provided given in the Project data file. The formation characteristics are also provided in the same file. Use Adjusted Pressure to analyze the data and determine the formation permeability (k), skin factor (s), and the non-Darcy factor (D).

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