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Wellbore #00 Wellbore Classification: CBM Status: PR - 12/1/2010 Measured TD: 2490 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: CBM PR - 12/1/2010 | | Wellbore Permit | | | Permit #: | 20080589 | Expiration Date: | 3/17/2009 | | Proposed Depth/Form: | 2401 ft. | | Surface Mineral Owner Same: | Yes | | Mineral Owner: | FEE | Surface Owner: | FEE | | Unit: | | Unit Number: | | | Formation And Spacing: | Code: RTON , Formation: RATON COAL , Order: , Unit Acreage: , Drill Unit: | | Formation And Spacing: | Code: VRMJ , Formation: VERMEJO COAL , Order: , Unit Acreage: , Drill Unit: | | Casing: | String Type: 2ND, Hole Size: 7.875 in., Size: 5.5 in., Top: , Depth: 1771 ft., Weight: 15.5 , Citings Type: PLANNED | | Cement: | Sacks: 280, Top: 0 ft., Bottom: 1771 ft. |
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| Wellbore Completed | | Completion Date: | 5/2/2008 | | Spud Date: | 4/29/2008 | Spud Date Is: | ACTUAL | | Measured TD: | 2490 ft. | Measured PB depth: | 2396 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | GR/CBL/CCL, DIL, CD/NL | | Casing: | String Type: CONDUCTOR, Hole Size: 17.5 in., Size: 13.375 in., Top: 0 ft., Depth: 47 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 109, Top: 0 ft., Bottom: 55 ft., Determination Method: CALC | | Casing: | String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: 0 ft., Depth: 464 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 227, Top: 0 ft., Bottom: 470 ft., Determination Method: CBL | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 2442 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 340, Top: 0 ft., Bottom: 2490 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | POISON CANYON COAL | 0 ft. | 387 ft. | N | N | | RATON COAL | 387 ft. | 1797 ft. | N | N | | RATON SAND | 1797 ft. | 1936 ft. | N | N | | VERMEJO COAL | 1936 ft. | 2192 ft. | N | N | | TRINIDAD | 2192 ft. | | N | N |
Formation RT-VJ Formation Classification: GW Status: PR - 12/1/2010 Interval Top: 502 ft. Interval Bottom: 2097 ft.| Completed Information for Formation RATON-VERMEJO COALS | | 1st Production Date: | 6/20/2008 | Choke Size: | | | Formation Name: | RATON-VERMEJO COALS | Commingled: | No | | Production Method: | | | Open Hole Completion: | Yes |
| | Formation Treatment | | Treatment Date: | 6/4/2008 | | Treatment Summary: | PUMPED 7,000 GALS 15% HCI ACID. FRAC'D W/243,992 GALS 20# DELTA 140 W/SANDWEDGE OS CARRYING 90,828# 16/30 ARIZONA SAND & 239,788# 12/20 BRADY SAND. |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 2202 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 6/20/2008 | Test Method: | PUMPING | | Hours Tested: | 24 | Gas Type: | COAL GAS | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 137 | | BBLS_OIL | 0 | | BTU_GAS | 968 | | CALC_BBLS_H2O | 137 | | CALC_BBLS_OIL | 0 | | CALC_MCF_GAS | 95 | | CASING_PRESS | 42 | | GRAVITY_OIL | 1 | | MCF_GAS | 95 | | TUBING_PRESS | 3 |
| | Perforation Data: | | Interval Top: | 502 ft. | # Of Holes: | 132 | | Interval Bottom: | 2097 ft. | Hole Size: | 0.45 in. |
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| Reported Plugged | N | |
| Out Of Service Repurposed | N | |
| Out Of Service | N | |
| Inactive Exception | N | |
| Noticed Inactive | N | |
| Defined Inactive | N | |
| Low Producing | N | |
| Total Oil Produced (Barrels) | 0 |
| Total Gas Produced (MCF) | 7971 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 3.758 |
| Average MCFE per Day | 21.832 |
| Federal Financial Assurance | i | |
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