Reserve Estimation

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HW3_OGIP.xls
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PalisadeFitLinks

Num Links 4
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WellData

Pore pressure Normal hydrostatic
Reservoir temperature 100 deg f
Gas gravity 0.62
CO2, mole fraction 2.1%
N2, mole fraction 1.1%
Well Depth, ft Shale thickness, ft Gas content, scf/ton Rock density, gm/cc Matrix porosity, % Matrix Sw, %
Well001 2,592 107.7 47.2 2.466 2.20% 48.1%
Well002 2,428 107.7 2.416
Well003 2,076 198.3 57.0 2.488 1.40% 49.7%
Well004 2,284 130.8 50.1 2.511 1.70% 49.9%
Well005 2,280 177.3 2.471
Well006 2,106 90.0 69.8 2.465 4.30% 50.4%
Well007 2,184 160.5 50.0 2.447 2.10% 50.0%
Well008 2,365 90.0 80.6 2.462 2.10% 42.4%
Well009 2,124 108.6 2.413
Well010 2,301 93.6 2.445
Well011 2,044 163.5 52.6 2.439 2.00% 44.5%
Well012 2,417 148.8 63.6 2.428 2.80% 48.1%
Well013 2,150 178.8 2.508
Well014 2,305 132.3 71.6 2.410 2.30% 49.7%
Well015 2,494 89.4 46.7 2.489 2.80% 45.0%
Well016 2,277 121.8 2.440
Well017 2,447 120.6 2.365
Well018 2,078 108.0 62.7 2.467 2.10% 45.2%
Well019 2,295 132.6 2.386
Well020 2,216 135.0 2.427
Well021 2,104 138.0 78.3 2.408 1.80% 45.0%
Well022 2,195 111.9 63.8 2.520 2.10% 44.0%
Well023 1,998 79.5 2.510
Well024 2,086 175.5 94.4 2.388 1.60% 46.2%
Well025 2,060 88.8 52.1 2.444 2.40% 49.4%

VolumetricModel

Inputs
Depth 2,274 ft
Pressure 985 psia
Thickness 89.0 ft
GC 58.0 scf/ton
Density 2.488 gm/cc
Phim 2.12%
Sw 43.5%
Bg 0.00293 RB/Mscf
Outputs
GIPsorbed 10.37 Bscf/sec Factor 62.4 from density gm/cc to lbm per cubic ft; 1 US ton is 2000 lbm (US pound mass)
GIPfree 1.75 Bscf/sec Factor 5.615 from barrels to cubic ft (converting RB to cubic ft, as in Bg)
GIPtotal 12.12 Bscf/sec