Given the production data in Table 1, and following reservoir and fluid data, you are asked...

Transcribed Image Text:

Given the production data in Table 1, and following reservoir and fluid data, you are asked to calculate the following: a) Saturations of oil, gas , and water at reservoir pressure of 2258 b) Has water encroachment occured and, if so, what is the volume? Reservoir temperature Initial water saturation 160 F 0.25 Sp. Gr. of the reservoir gas Original oil in place Bubble point pressure W, We can assume no free gas flow. From the lab data, the following correlations were also derived: 0.78 180 MM STB 2819 psia B=1.00+0.00015p, bbl/STB R=50+0.42p, SCF/STB Table 1. Pressure, psia N, MM STB G MMM SCF Instantaneous GOR, SCF/STB 2819 1000 2742 4.38 4.38 1280 2639 10.16 110.36 1480 2506 20.09 21.295 2000 2403 27.02 30.26 41.15 2500 2258 34.29 3300 Given the production data in Table 1, and following reservoir and fluid data, you are asked to calculate the following: a) Saturations of oil, gas , and water at reservoir pressure of 2258 b) Has water encroachment occured and, if so, what is the volume? Reservoir temperature Initial water saturation 160 F 0.25 Sp. Gr. of the reservoir gas Original oil in place Bubble point pressure W, We can assume no free gas flow. From the lab data, the following correlations were also derived: 0.78 180 MM STB 2819 psia B=1.00+0.00015p, bbl/STB R=50+0.42p, SCF/STB Table 1. Pressure, psia N, MM STB G MMM SCF Instantaneous GOR, SCF/STB 2819 1000 2742 4.38 4.38 1280 2639 10.16 110.36 1480 2506 20.09 21.295 2000 2403 27.02 30.26 41.15 2500 2258 34.29 3300