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HWK 6 Solution

# HWK 6 Solution - PGE 203 HWK 6 Solution Due at start of...

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PGE 203 HWK 6 Solution Due at start of lecture: March 12. Data Set: Well KB Elevation Top of Sand Net Thickness Porosity Water Saturation ft above SL (ft) (ft) (%) (%) 1 100 8,125 50 25 30 2 75 8,175 30 25 32 3 50 8,200 25 22 35 4 25 8,200 15 21 40 5 25 8,265 marker 0 No sand present in this well. Special notes: Wells 1 and 2 have density-neutron porosity log cross over indicating gas in the pore space of these two wells. Fluid and Reservoir Data taken at a datum of 8,200': Pore Pressure Gradient is 0.44 psi/ft Bottom hole temperature is 150 deg F. The original gas deviation factor is 0.9. The original oil formation volume factor is 1.2 bbl/STB. (1) On the base map provided draw a subsea structure map. See map (any reasonable shape) +2pt (2) On the base map provided draw a net thickness isopach map. Any reasonable shape +2 pts (3) Using the net thickness isopach map determine the area x thickness product for the field. Any rough calculation by counting the squares and using the scale +2 pts. (4) Estimate G in the gas cap. +1 pt ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 3 8 0.9 150 460 14.69 14.69 ft =0.0043 1 60 460 8,200 0.44 520 Scf 1 / Scf 5.3 10 0.25 1 0.31 / 0.0043/1000 21,262,000 MScf res res g res w g z T B p G Ah S B G x φ + = = + = - = - = (5) Estimate N in the oil column.

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HWK 6 Solution - PGE 203 HWK 6 Solution Due at start of...

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