Page 117 - Fundamentals of Gas Shale Reservoirs
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RESULTS 97
TabLE 5.2 mICP results and pore volume percentages based on IuPaC classification from the sample collection
Percentage of pore
volume
Sample Porosity Peak radius Median diameter Threshold Meso
Formation ID (%) (um) by volume (um) pressure (psi) pores Macropores
PCM 1 6.2 0.007 0.01 1,394 93 7
2 7.7 0.03 0.05 246 51 49
4 13.8 0.2 0.32 45 21 79
7 5.7 0.005 0.01 5,701 >95 0
8 3.78 0.005 0.01 6,196 83 17
9 3.05 0.005 0.02 5,783 85 15
10 3.17 0.007 0.01 2,377 68 32
12 3.03 0.006 0.08 680 45 55
13 3.54 0.008 0.03 1,795 63 37
14 3.57 0.007 0.03 1,701 64 36
CCM 17 7.22 0.005 0.02 6,115 86 14
18 8.43 0.003 0.01 10,027 88 12
19 6.52 0.004 0.01 7,347 86 14
20 8.5 0.026 0.15 469 15 85
21 9.02 0.008 0.03 1,259 59 41
23 8.08 0.057 0.12 218 38 62
24 8.14 0.021 0.11 1,019 34 66
25 4.18 0.006 0.02 4,460 80 20
26 7.41 0.006 0.01 6,725 91 9
27 6.98 0.005 0.01 5,895 90 10
PKM 28 2.87 0.004 0.06 1,355 50 50
29 6.79 0.003 0.04 5,261 52 48
30 2.4 0.002 0.01 11,585 >95 0
31 2.4 0.003 0.01 4,942 >95 0
0.2 0.2
CCM
PCM 17 23
1 2 9 0.15 18 24
0.15
Pore volume (fraction) 0.05 4 7 8 12 Pore volume (fraction) 0.05 20 26
10
19
25
13
0.1
0.1
21
27
14
0 0
0.001 0.01 0.1 1 10 100 0.001 0.01 0.1 1 10 100
Pore throat radius ( m) Pore throat radius ( m)
FIGurE 5.10 Converted previous capillary pressure curves into FIGurE 5.11 Converted previous capillary pressure curves into
equivalent pore throat radius as a function of the pore volume equivalent pore throat radius as a function of the pore volume
fraction or porosity for PCM samples. fraction or porosity for CCM samples.