Powder River Basin Coalbed Methane Development and Produced

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Coal Seam Table 3-3. In-Place and Technically Recoverable CBM, Partitions #1 and #2 No. Full Townships Average Depth (ft)* Average Thickness (ft) 3-4 Average Gas Content (cf/ton) Gas in Place (Bcf) Technically Recoverable (Bcf) Anderson 1 450 25 39 40 30 Canyon 2 575 48 51 210 180 Wyodak 5 440 86 42 760 560 Big George 2 863 90 86 550 320 Cook 2 740 30 65 150 120 Pawnee 5 1,336 22 108 470 420 Totals * Top of coal 2,170 1,630 Coal Seam Table 3-4. In-Place and Technically Recoverable CBM, Partitions #3 and #12 No. Full Townships Average Depth (ft)* Average Thickness (ft) Average Gas Content (cf/ton) Gas in Place (Bcf) Technically Recoverable (Bcf) Anderson 1 800 55 70 160 110 Canyon 9 970 43 81 1,260 870 Big George 11 1,280 100 107 6,620 2,910 Cook 2 1,030 30 86 210 170 Totals 8,250 4,060 * Top of coal
Table 3-5. In-Place and Technically Recoverable CBM, Partition #4 Coal Seam No. Full Townships Average Depth (ft)* Average Thickness (ft) 3-5 Average Gas Content (cf/ton) Gas In Place (Bcf) Technically Recoverable (Bcf) Anderson 6 450 30 40 400 290 Canyon 12 540 35 47 920 800 Wyodak 6 601 73 54 890 770 Cook 5 790 31 67 450 350 Wall 5 1,020 27 84 440 350 Pawnee 5 1,295 27 106 570 510 Cache 5 1,550 23 121 540 480 Totals 44 4,210 3,550 * To top of coal Table 3-6. In-Place and Technically Recoverable CBM, Partition #5 Coal Seam No. Full Townships Average Depth (ft)* Average Thickness (ft) Average Gas Content (cf/ton) Gas In Place (Bcf) Technically Recoverable (Bcf) Felix 4 530 24 46 180 140 Roland 2 540 25 47 100 80 Smith 18 820 39 70 2,310 1,560 Swartz 2 740 43 63 220 180 Anderson 9 1030 38 86 1,180 830 Canyon 16 1060 39 88 2,320 1,500 Big George 16 1280 97 107 6,760 3,510 Wyodak 2 1000 73 85 250 210 Cook 17 1320 40 109 3,060 1,810 Wall 16 1500 32 120 2,250 1,350 Pawnee 18 1710 41 137 4,000 2,320 Cache 14 2020 32 159 2,700 1,320 Wildcat 1 2190 45 101 180 90 Totals 25,510 14,910 * To top of coal
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DOE/NETL-2003/1184 POWDER RIVER BAS
Page 3:
Powder River Basin Coalbed Methane
Page 6 and 7:
estimates for the Powder River Basi
Page 9: TECHNICAL PREFACE Coalbed methane r
Page 12 and 13: Figures TABLE OF CONTENTS (Continue
Page 14 and 15: TABLE OF CONTENTS (Continued) Figur
Page 16 and 17: TABLE OF CONTENTS (Continued) Table
Page 18 and 19: TABLE OF CONTENTS (Continued) Table
Page 20 and 21: Economic Conditions Table S-1. Volu
Page 22 and 23: 1.0 STUDY PURPOSE, APPROACH AND FIN
Page 24 and 25: Barrels Water/Mcf Gas 4 3 2 1 0 2.8
Page 26 and 27: N 87W 6S 36 E 6S 37 E 6S 38 E 6S 39
Page 28 and 29: Figure 1-7. Extent of CBM Drilling
Page 30 and 31: 1.4 Study Approach 1.4.1 Coal Resou
Page 32 and 33: Table 1-1. Reports and Data for Pow
Page 34 and 35: 1.4.3 Basic Cost and Economic Model
Page 36 and 37: Table 1-5. Volumes of CBM Produced
Page 38 and 39: Table 1-9. Loss of Capital Investme
Page 40 and 41: The bulk of coalbed methane activit
Page 42 and 43: Source: Montgomery, 1999. Figure 2-
Page 44 and 45: A series of Wasatch Formation coals
Page 46 and 47: Anderson Canyon Cook Split Cook Fig
Page 48 and 49: Information on thickness of individ
Page 50 and 51: Reservoir Pressure, psia 1100 1000
Page 52 and 53: Overall, the study established that
Page 54 and 55: Table 2-4. Key Reservoir Properties
Page 56 and 57: Table 3-1. Gas In-Place for Major P
Page 60 and 61: Table 3-7. In-Place and Technically
Page 62 and 63: Coal Seam Table 3-11. In-Place and
Page 64 and 65: 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1
Page 66 and 67: 1 2 3 4 5 6 7 8 9 10 11 12 Major Se
Page 68 and 69: The basic capital costs for the abo
Page 70 and 71: • Infiltration impoundment with e
Page 72 and 73: Table 4-4. Sample Tangible and Inta
Page 74 and 75: • Well pads are placed on 80-acre
Page 76 and 77: The annual cost for pump replacemen
Page 78 and 79: Chapter 3. For capital and O&M cost
Page 80 and 81: 5.3 Costs of Water Disposal Alterna
Page 82 and 83: 5.4 Discussion of Water Disposal Ca
Page 84 and 85: and a select number of injection pr
Page 86 and 87: Table 5-7. Annual Operating Costs f
Page 88 and 89: 5-12
Page 90 and 91: Figure 6-1. Partition #1 Base Map 6
Page 92 and 93: • A series of coal mines exist in
Page 94 and 95: Production (Mcf/mo.; Barrel/mo.) 6,
Page 96 and 97: Type Well Well Depth (ft) Table 6-3
Page 98 and 99: Coal Seam Table 6-7. In-Place and T
Page 100 and 101: Figure 6-6. Partition #12 Base Map
Page 102 and 103: Type Well Well Depth (ft) Table 6-9
Page 104 and 105: Gas and Water Production Rate (Mcfd
Page 106 and 107: Figure 6-9. Partition #4 Base Map 6
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Figure 6-10. Partition #4 Sample Lo
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Figure 6-11. Partition #4 Anderson
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Gas and Water Production Rate (Mcfd
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Figure 6-14. Partition #4 Canyon We
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25,000 20,000 15,000 10,000 5,000 0
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• Wall. The Wall seam defines the
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Production (Mcf/mo.; Barrel/mo.) 35
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- Development. Figure 6-24 provides
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Figure 6-25. Partition #4 Cache Wel
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Figure 6-26. Partition #5 Base Map
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- Type Well. After adjustment for d
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Production(Mcf/mo.; Barrel/mo.) 30,
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Production(Mcf/mo.; Barrel/mo.) 40,
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- Area. The Wyodak coal seam meets
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- Type Well. The history-matched Co
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- Type Well. The history-matched Pa
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• Partition #5 contains 12 major
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- Development. A small number of Uc
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High 1,600 50 0.27 190 Low 1,740 20
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- Coal Depth. The depth to the top
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Page 160 and 161:
- Coal Depth. The depth to the top
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Type Well Well Depth (ft) Table 6-5
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Table 6-55. In-Place and Technicall
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- Development. The are a total of 6
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Production (Mcf/mo.; Barrel/mo.) 7,
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- Type Well. The history-matched Ca
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Page 176 and 177:
- Time Zero Well. The time zero plo
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Page 180 and 181:
6.9 Partition #9 6.9.1 Summary Part
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Page 192 and 193:
- Development. The Dietz #2 seam is
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Page 196 and 197:
- Time Zero Plot. The time zero plo
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INTRODUCTION APPENDIX A GAS SORPTIO
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Figure A-1. Gas Content Isotherm Us
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Source: Bustin and Downey (2002) Fi
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Gas Production Rate (Mcfd) 400 350
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• The shallow coals were assumed
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Powder River Basin Coalbed Methane Development and Produced

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