From: Low-temperature gas from marine shales: wet gas to dry gas over experimental time
Floyd Shale, 50°C | |||||||
---|---|---|---|---|---|---|---|
time (min) | Methane | Ethane | Propane | i-Butane | n-Butane | i-Pentane | n-Pentane |
0 | 15.92 | 28.30 | 23.48 | 3.57 | 13.53 | 6.11 | 9.10 |
8 | 16.14 | 33.23 | 24.83 | 3.24 | 11.31 | 4.41 | 6.84 |
16 | 15.53 | 34.42 | 25.87 | 3.42 | 11.07 | 3.67 | 6.02 |
24 | 12.16 | 32.54 | 27.51 | 3.95 | 12.37 | 4.54 | 6.93 |
32 | 11.34 | 34.31 | 27.97 | 3.61 | 12.00 | 4.15 | 6.63 |
40 | 13.02 | 34.43 | 27.71 | 3.40 | 11.71 | 3.70 | 6.03 |
48 | 11.36 | 35.12 | 28.13 | 3.48 | 11.89 | 3.63 | 6.40 |
56 | 10.35 | 35.41 | 28.47 | 3.54 | 11.88 | 4.15 | 6.21 |
64 | 11.58 | 34.91 | 28.28 | 3.31 | 11.67 | 4.30 | 5.95 |
72 | 11.42 | 34.76 | 28.69 | 3.60 | 11.97 | 3.72 | 5.84 |
80 | 11.08 | 34.73 | 28.35 | 3.50 | 11.61 | 4.73 | 6.00 |
88 | 8.76 | 36.37 | 29.74 | 3.47 | 11.96 | 3.66 | 6.04 |
% var | 44 | 12 | 12 | 1 | 3 | 12 | 12 |
New Albany Shale, 100°C | |||||||
time (min) | Methane | Ethane | Propane | i-Butane | n-Butane | i-Pentane | n-Pentane |
0 | 3.30 | 29.05 | 36.68 | 3.13 | 17.24 | 2.67 | 7.92 |
4 | 1.18 | 37.08 | 41.00 | 3.12 | 13.71 | 1.39 | 2.53 |
8 | 1.02 | 34.90 | 39.13 | 3.25 | 15.96 | 2.11 | 3.63 |
12 | 0.85 | 34.13 | 38.09 | 3.07 | 16.74 | 2.43 | 4.69 |
18 | 0.75 | 33.27 | 39.63 | 3.40 | 16.67 | 2.19 | 4.09 |
21 | 0.45 | 27.45 | 38.69 | 3.88 | 18.62 | 3.50 | 7.41 |
34 | 0.46 | 26.31 | 38.24 | 3.24 | 18.00 | 3.58 | 10.16 |
45 | 0.54 | 26.19 | 40.16 | 2.94 | 18.20 | 2.92 | 9.04 |
55 | 0.70 | 25.02 | 41.61 | 2.94 | 18.38 | 2.73 | 8.62 |
65 | 0.71 | 23.68 | 42.29 | 3.09 | 18.54 | 2.86 | 8.82 |
% var | 71 | 75 | 8 | 2 | 14 | 16 | 109 |
Mowry Shale, 100°C | |||||||
time (min) | Methane | Ethane | Propane | i-Butane | n-Butane | i-Pentane | n-Pentane |
0 | 9.15 | 6.84 | 19.12 | 7.94 | 22.71 | 12.99 | 21.25 |
8 | 4.50 | 4.34 | 18.36 | 11.25 | 24.02 | 17.57 | 19.97 |
16 | 3.86 | 2.95 | 16.79 | 12.06 | 24.43 | 18.99 | 20.92 |
24 | 5.11 | 3.16 | 15.77 | 11.40 | 23.29 | 19.53 | 21.74 |
32 | - | 4.14 | 16.06 | 12.88 | 24.50 | 20.55 | 21.87 |
40 | - | - | 16.47 | 13.14 | 24.34 | 22.81 | 23.24 |
48 | - | - | 15.97 | 13.84 | 24.98 | 23.06 | 22.15 |
56 | - | - | 15.33 | 14.44 | 24.55 | 23.15 | 22.52 |
64 | - | - | 15.27 | 14.20 | 23.92 | 24.16 | 22.45 |
72 | - | - | 14.92 | 15.17 | 23.64 | 23.71 | 22.56 |
80 | - | - | 11.21 | 15.06 | 23.40 | 26.73 | 23.60 |
% var | 101 | 56 | 26 | 35 | 2 | 68 | 5 |