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Wellbore #00 Wellbore Classification: CBM Status: PR - 10/31/2007 Measured TD: 2450 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: CBM PR - 10/31/2007 | | Wellbore Permit | | | Permit #: | 20071783 | Expiration Date: | 5/7/2008 | | Proposed Depth/Form: | 2375 ft. | | Surface Mineral Owner Same: | No | | Mineral Owner: | FEE | Surface Owner: | STATE | | 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: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 1650 ft., Weight: , Citings Type: PLANNED | | Cement: | Sacks: 290, Top: 0 ft., Bottom: 1650 ft. |
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| Wellbore Completed | | Completion Date: | 6/21/2007 | | Spud Date: | 6/18/2007 | Spud Date Is: | ACTUAL | | Measured TD: | 2450 ft. | Measured PB depth: | 2388 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | DUALINDUC; GR/COMPENSATED DENSITY NEUTRON; CBL | | Casing: | String Type: CONDUCTOR, Hole Size: 17.5 in., Size: 13.375 in., Top: 0 ft., Depth: 49 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 88, Top: 0 ft., Bottom: 49 ft., Determination Method: CALC | | Casing: | String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: 0 ft., Depth: 496 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 233, Top: 0 ft., Bottom: 496 ft., Determination Method: CALC | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 2434 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 355, Top: 15 ft., Bottom: 2434 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | RATON COAL | 0 ft. | 1710 ft. | N | N | | VERMEJO COAL | 1798 ft. | 2174 ft. | N | N | | TRINIDAD | 2174 ft. | 2450 ft. | N | N |
Formation RT-VJ Formation Classification: GW Status: PR - 10/31/2007 Interval Top: 693 ft. Interval Bottom: 2114 ft.| Completed Information for Formation RATON-VERMEJO COALS | | 1st Production Date: | 9/28/2007 | Choke Size: | | | Formation Name: | RATON-VERMEJO COALS | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 7/20/2007 | | Treatment Summary: | ACIDIZED W/3750 GALS 15% HCL ACID. FRAC'D W/209,441 GALS 20# DELTA 140 W/SANDWEDGE OS CARRYING 30,000# 16/30 BRADY SAND AND 444,742# 12/20 ARIZONA SAND. |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 2215 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 9/30/2007 | Test Method: | PUMPING | | Hours Tested: | 24 | Gas Type: | COAL GAS | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 102 | | BTU_GAS | 1004 | | CALC_BBLS_H2O | 102 | | CASING_PRESS | 6 | | TUBING_PRESS | 3 |
| | Perforation Data: | | Interval Top: | 693 ft. | # Of Holes: | 125 | | Interval Bottom: | 2114 ft. | Hole Size: | 0.42 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) | 13064 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 6.173 |
| Average MCFE per Day | 35.809 |
| Federal Financial Assurance | i | |
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