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Wellbore #00 Wellbore Classification: CBM Status: PR - 5/31/2008 Measured TD: 2514 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: CBM PR - 5/31/2008 | | Wellbore Permit | | | Permit #: | 20075850 | Expiration Date: | 11/28/2008 | | Proposed Depth/Form: | 2496 ft. | | Surface Mineral Owner Same: | No | | 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: 1794 ft., Weight: 15.5 , Citings Type: PLANNED | | Cement: | Sacks: 310, Top: 0 ft., Bottom: 1794 ft. |
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| Wellbore Completed | | Completion Date: | 4/5/2008 | | Spud Date: | 4/3/2008 | Spud Date Is: | ACTUAL | | Measured TD: | 2514 ft. | Measured PB depth: | 2454 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | DUAL IND.LOG/ COMP.DENSITY NEUTRON LOG, CBL | | Casing: | String Type: CONDUCTOR, Hole Size: 17.5 in., Size: 13.375 in., Top: 0 ft., Depth: 46 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 81, Top: 0 ft., Bottom: 46 ft., Determination Method: CALC | | Casing: | String Type: SURF, Hole Size: 11 in., Size: 8.625 in., Top: 0 ft., Depth: 451 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 222, Top: 3 ft., Bottom: 451 ft., Determination Method: CBL | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 2501 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 354, Top: 20 ft., Bottom: 2501 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | POISON CANYON COAL | 0 ft. | 401 ft. | N | N | | RATON COAL | 401 ft. | 1875 ft. | N | N | | VERMEJO COAL | 2013 ft. | 2287 ft. | N | N | | TRINIDAD | 2287 ft. | 2514 ft. | N | N |
Formation RT-VJ Formation Classification: GW Status: PR - 5/31/2008 Interval Top: 459 ft. Interval Bottom: 2212 ft.| Completed Information for Formation RATON-VERMEJO COALS | | 1st Production Date: | 5/30/2008 | Choke Size: | | | Formation Name: | RATON-VERMEJO COALS | Commingled: | No | | Production Method: | | | Open Hole Completion: | Yes |
| | Formation Treatment | | Treatment Date: | 5/12/2008 | | Treatment Summary: | PUMPED 5,000 GALS 15% HCI ACID. FRAC'D W/244,145 GALS 20# DELTA 140 W/SANDWEDGE OC CARRYING 141,756# 16/30 ARIZONA SAND & 343,590# 12/20 BRADY SAND. |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 2300 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 5/31/2008 | Test Method: | FLOWING | | Hours Tested: | 24 | Gas Type: | COAL GAS | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 168 | | BBLS_OIL | 0 | | BTU_GAS | 1007 | | CALC_BBLS_H2O | 168 | | CALC_BBLS_OIL | 0 | | CALC_MCF_GAS | 57 | | CASING_PRESS | 4 | | MCF_GAS | 57 | | TUBING_PRESS | 8 |
| | Perforation Data: | | Interval Top: | 459 ft. | # Of Holes: | 118 | | Interval Bottom: | 2212 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) | 8570 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 4.047 |
| Average MCFE per Day | 23.482 |
| Federal Financial Assurance | i | |
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