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Gas and Liquid Injection Rates 211

PROBLEMS
9.1 Solve the problem in Illustrative Example 9.1 with choke pressure
100 psia.
9.2 Solve the problem in Illustrative Example 9.2 with choke pressure
100 psia.
9.3 Solve the problem in Illustrative Example 9.3 with choke pressure
100 psia.
9.4 Assuming a rock porosity value of 10%, determine the critical
capillary pressure based on the capillary curve shown in Figure 9.14.
9.5 Solve the problem in Illustrative Example 9.4 with cohesive strength
1,200 psi, friction angle 32°, and Poisson’s ratio 0.22.