|
Basin |
Field |
Area (sq. miles) |
Coal h (ft) |
Coal Rank |
Gas Content (scf/ton) |
Perm (md) |
Well Spacing (acres)** |
No. Seams |
|---|---|---|---|---|---|---|---|---|
|
San Juan (US) |
Ignacio Blanco |
60 (Basin: 14,000 - 21,000) |
40-70; 15 - 05 |
Bituminous |
300-600 |
5-50+ 1+ 0.1 - 60 |
60-320 |
5? |
|
Unita (US) |
Drunkwards Wash |
120 (Basin: 14,450) |
4-48
|
Bituminous |
425 |
5-20 |
160 |
6 |
|
Black Warrior (US) |
Cedar Grove |
65 |
25-30 |
Bituminous |
250-500 |
1-25 |
80 |
|
|
Powder River (US) |
Recluse Rawhide Butte |
620 (Basin: 26,000) |
35-110; 50-200 |
Sub Bituminous |
55-110; 70 |
5+ 50 - 1500 |
80 |
|
|
WSCB (AB) |
Horseshoe Canyon |
620 |
35-110 |
Sub Bitumous |
200-400 |
0.1 - 100 |
80-160 |
|
|
Bowen Basin (AU) |
Fairview |
430 |
50-100 |
Bituminous |
200-400 |
100 |
80 |
|
|
Qinshui Basin |
Yangcheng Qinshui |
22 |
20-40 |
Anthracite |
300-900 |
< 1 - 5 |
40 |
|
|
Surat (Australia) |
|
|
|
Sub Bituminous |
3.14 g/cc |
500 (high) |
|
|
|
WCSB |
Horseshoe Canyon |
|
|
Hi volu |
0.9 - 3.8 |
1-5++ Perm. Growth |
|
10-30 |
|
WSCB |
Mannville |
|
|
|
7-13 g/cc |
|
6.5 - 40 |
3 |
|
Sydney |
|
|
|
|
0 to 18 m3/tonne |
1 to 100+ 0.1 md |
|
|
|
Gunnedah Basin |
|
|
|
|
6 - 12 m3/ton |
0 - 1091; Depending on Seam |
|
|
References:
-
C D. Jenkins, C. M. Boyer 11, Coalbed and Shale Gas Reservoirs, JPT, February 2008
-
Thakur, Pramod, Advanced Reservoir and Production Engineering for Coalbed Methane, 2017, Gulf Professional Publishing
-
John Seidle, Fundamentals of Coalbed Methane: Reservoir Engineering, 2011, PennWell Corporation.
-
Bustin, R. M. Geology & Some Engineering Aspects of Coalbed Methane, 2001, CBM Solutions,