Japan CO 2 Geosequestration in Coal Seams Project Masaji Fujioka

Parameter
Unit
Lower
Yubari 1
Lower
Yubari 2
Lower
Yubari 3
Lower
Yubari 4
Lower
Yubari 5
Lower
Yubari 6
Lower
Yubari 7
Lower
Yubari 8
Ave. or
Total
Top Depth m 890.08 890.23 891.57 892.33 892.75 893.25 895.50 896.00
Bottom Dep m 890.23 890.50 891.72 892.50 892.95 893.47 895.62 896.15
Thickness m 0.15 0.17 0.15 0.17 0.20 0.22 0.12 0.15 1.33
Sample Weight g 895.0 1,132.0 946.0 911.0 1,211.0 978.0 897.0 958.0 991.0
Measured Gas Volume cm 3 /g 13.0 15.6 13.4 15.6 12.1 11.0 16.2 16.3 14.2
Lost Gas Volume cm 3 /g 4.5 8.3 4.5 5.4 4.7 7.5 3.9 3.6 5.3
Residual Gas Volume cm 3 /g 2.4 3.1 2.6 2.8 2.6 2.7 2.7 3.4 2.8
In-Situ G as C ontent cm 3 /g 19.9 27.0 20.5 23.8 19.4 21.2 22.7 23.3 22.2
Moisture wt f 0.009 0.008 0.009 0.009 0.009 0.009 0.008 0.010 0.0089
Ash wt f 0.148 0.045 0.044 0.016 0.056 0.038 0.027 0.018 0.0490
Volatile Matter wt f 0.354 0.399 0.387 0.380 0.364 0.393 0.384 0.382 0.3804
Fixed Carbon wt f 0.489 0.548 0.560 0.595 0.572 0.560 0.581 0.590 0.5619
Non- Combustible wt f 0.0005 0.0004 0.0005 0.0004 0.0002 0.0003 0.0005 0.0002 0.0004
Combustible wt f 0.0025 0.0024 0.0016 0.0019 0.0019 0.0017 0.0017 0.0028 0.0021
Total wt f 0.0030 0.0028 0.0021 0.0023 0.0021 0.0020 0.0022 0.0030 0.0024
Summary of
Lower Yubari
Seam Gas
Content &
Characterizatio
n Data
Air- Dry Calorific Value J/ g 30,600 34,740 34,530 35,710 33,450 34,990 35,160 35,330 34,314
Mosit, Ash- Free Cal. J/ g 35,592 36,086 35,794 35,964 35,115 36,045 35,847 35,618 35,758
Ash wt f 0.1480 0.0450 0.0440 0.0160 0.0560 0.0380 0.0270 0.0180 0.0490
Carbon wt f 0.7290 0.8320 0.8320 0.8520 0.8190 0.8360 0.8410 0.8550 0.8245
Hydrogen wt f 0.0556 0.0656 0.0651 0.0665 0.0625 0.0647 0.0672 0.0647 0.0640
Oxygen wt f 0.0491 0.0372 0.0385 0.0447 0.0429 0.0411 0.0452 0.0407 0.0424
Nitrogen wt f 0.0158 0.0178 0.0188 0.0189 0.0177 0.0185 0.0179 0.0188 0.0180
Comb. Sulphur wt f 0.0025 0.0024 0.0016 0.0019 0.0019 0.0017 0.0017 0.0028 0.0021
Vitrinite vol frac 0.851 0.894 0.898 0.900 0.928 0.898 0.906 0.926 0.9001
Exinite vol frac 0.044 0.053 0.044 0.061 0.027 0.050 0.065 0.041 0.0481
Inertinite vol frac 0.019 0.028 0.034 0.030 0.014 0.031 0.014 0.023 0.0241
Mineral- Matter vol frac 0.086 0.025 0.024 0.009 0.031 0.021 0.015 0.010 0.0276
Mean Vit. Reflectance % 0.75 0.74 0.75 0.79 0.81 0.75 0.78 0.80 0.77
Crusible Swelling Index - 7.0 7.5 8.0 9.0 8.5 8.0 9.0 9.0 8.3
Total wt f 0.095 0.013 0.145 0.101 0.157 0.172 0.066 0.018 0.096
Moisture Holding Cap. wt f 0.016 0.023 0.022 0.018 0.022 0.021 0.016 0.025 0.020
Equilibrium Moisture wt f 0.012 0.012 0.013 0.013 0.013 0.011 0.012 0.011 0.012
4th International Forum- Coal-Seq IV,
November 9-10, 2005, Denver
True Density g/cm 3 1.407 1.330 1.318 1.314 1.346 1.328 1.310 1.340 1.337