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Japan CO 2 Geosequestration in Coal Seams Project Masaji Fujioka

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Relationship between Gas Content & Organic Content<br />

G as C ontent,<br />

ml/g<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

Gas Composition<br />

G as C ontent vs.O rgan ic Content<br />

y = -1.0197x + 24.859<br />

R 2 = 0 .9 9 9<br />

0 5 10 15 20<br />

Ash + M oistu r C o n te n t (% )<br />

Methane<br />

Ethane+<br />

Propane<br />

n/ i-<br />

Butane Nitrogen <strong>CO</strong>2<br />

LS 1 96.58 1.48 0.06 0.19 1.68<br />

LS 2 98.22 0.08 0.00 0.15 1.55<br />

LS 3 94.42 1.02 0.10 1.60 2.85<br />

LS 4 94.60 0.99 0.06 1.61 2.73<br />

LS 5 97.89 0.07 0.00 0.37 1.66<br />

LS 6 95.76 1.17 0.06 0.31 2.70<br />

LS 7 96.97 1.13 0.06 0.30 1.55<br />

LS 8 98.33 0.06 0.00 0.06 1.55<br />

Average 96.60 0.75<br />

4th International Forum- <strong>Coal</strong>-Seq IV,<br />

0.04 0.57 2.03<br />

November 9-10, 2005, Denver

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