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Wellbore #00 Wellbore Classification: CBM Status: PR - 3/2/2005 Measured TD: 2500 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: CBM PR - 3/2/2005 | | Wellbore Permit | | | Permit #: | 20040883 | Expiration Date: | 4/29/2005 | | Proposed Depth/Form: | 2800 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: |
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| Wellbore Completed | | Completion Date: | 3/1/2005 | | Spud Date: | 5/17/2004 | Spud Date Is: | ACTUAL | | Measured TD: | 2500 ft. | Measured PB depth: | 2428 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | AIL/TLD/CSN | | Casing: | String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: , Depth: 658 ft., Weight: 24 , Citings Type: ACTUAL | | Cement: | Sacks: 310, Top: 0 ft., Bottom: 658 ft., Determination Method: CBL | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: , Depth: 2462 ft., Weight: 15.5 , Citings Type: ACTUAL | | Cement: | Sacks: 423, Top: 0 ft., Bottom: 2462 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | RATON COAL | 0 ft. | 1801 ft. | N | N | | VERMEJO COAL | 1890 ft. | 2229 ft. | N | N | | TRINIDAD | 2229 ft. | 2487 ft. | N | N |
Formation RTON Formation Classification: GW Status: PR - 3/2/2005 Interval Top: 717 ft. Interval Bottom: 1890 ft.| Completed Information for Formation RATON COAL | | 1st Production Date: | N/A | Choke Size: | | | Formation Name: | RATON COAL | Commingled: | No | | Production Method: | PUMPING | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 3/1/2005 | | Treatment Summary: | A. W/500 GALS 15% HCL ACID. FRAC'D W/38,359 GALS 20# DELTA 140 S/SANDWEDGE NT CARRYING 21,940# 16/30 & 9175# 12/20. A W/300 GALS 15% HCL ACID. FRAC'D W/37,104 GALS 20# DELTA 140 CARRYING 60,900# 16/30 SLC SAND. CONTINUED ON NEXT PAGE |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 2304 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 3/2/2005 | Test Method: | PUMPING | | Hours Tested: | 24 | Gas Type: | COAL GAS | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 161 | | BBLS_OIL | 0 | | CALC_BBLS_H2O | 161 | | CALC_BBLS_OIL | 0 | | CALC_MCF_GAS | 359 | | CASING_PRESS | 21 | | MCF_GAS | 359 | | TUBING_PRESS | 10 |
| | Perforation Data: | | Interval Top: | 717 ft. | # Of Holes: | 64 | | Interval Bottom: | 1890 ft. | Hole Size: | 0.4 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) | 77828 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 36.772 |
| Average MCFE per Day | 213.269 |
| Federal Financial Assurance | i | |
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