1. Estimate formation permeability and skin factor from the draw- down test data given the following formation and fluid properties: q=90 STB/D; Pi=1479 psia; h=17 ft; ø=25%; rw=0.21 ft; B=1.1 RB/STB; q=7.65 × 10-6 psi-l; and µ=7.86 cp. DRAWDOWN TEST DATA FOR EXERCISE 2.1 Time Pressure Time Pressure (hours) (psi) (hours) (psi) 1 283.8 10 140.0 2 239.8 11 134.1 3 214.5 12 128.8 4 196.6 13 123.9 5 182.8 14 119.3 6 171.5 15 115.1 7 162.0 16 111.1 8 153.8 17 107.4 9. 146.5 18 103.9

What are the engineering applications of each of these tests? a. flash point test b. RTFO procedure c. rotational viscometer test d. dynamic shear rheometer test e. Bending beam rheometer testf. penetration test.

For a soil specimen, given the following: % passing sieve #4-92 %, sieve #10 -81%, sieve # 40-78%, LL-48%, PL-16%, GI-18.2 classify the soil by AASHTO classification system. GI = (F200-35)[0.2 + 0.005 (LL - 40)] +0.01 (F20015)(PI – 10)