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Wellbore #00 Wellbore Classification: CBM Status: PR - 10/31/2007 Measured TD: 2200 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: CBM PR - 10/31/2007 | | Wellbore Permit | | | Permit #: | 20065353 | Expiration Date: | 1/2/2008 | | Proposed Depth/Form: | 2150 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: 1418 ft., Weight: , Citings Type: PLANNED | | Cement: | Sacks: 250, Top: 0 ft., Bottom: 1418 ft. |
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| Wellbore Completed | | Completion Date: | 3/10/2007 | | Spud Date: | 3/5/2007 | Spud Date Is: | ACTUAL | | Measured TD: | 2200 ft. | Measured PB depth: | 2151 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | DUAL IND;COMPENSATED DEN NEU W/GR&CALIPER /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: 71, 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: 499 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 233, Top: 0 ft., Bottom: 499 ft., Determination Method: CALC | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 2197 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 120, Top: 1580 ft., Bottom: 2197 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 1493 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 229, Top: 980 ft., Bottom: 1494 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.2, Hole Size: , Size: , Top: , Depth: , Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 111, Top: 0 ft., Bottom: 690 ft., Determination Method: CBL | | Additional Cement: | String Type: 1ST , Top: 0 ft., Depth: 688 ft., Bottom: 688 ft., Sacks: 87, Method: 1 INCH | | Formation | Interval Top | Log Bottom | Cored | DSTs | | RATON COAL | 0 ft. | 1486 ft. | N | N | | VERMEJO COAL | 1578 ft. | 1936 ft. | N | N | | TRINIDAD | 1936 ft. | 2200 ft. | N | N |
Formation RT-VJ Formation Classification: GW Status: PR - 10/31/2007 Interval Top: 535 ft. Interval Bottom: 1899 ft.| Completed Information for Formation RATON-VERMEJO COALS | | 1st Production Date: | 7/17/2007 | Choke Size: | | | Formation Name: | RATON-VERMEJO COALS | Commingled: | Yes | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 6/12/2007 | | Treatment Summary: | ACIDIZED VRMJ/RTON W/ 3250 GALS 15% HCI ACID FRAC'D VRM/JRTON W/ 183,496 GALS 20# DELTA 140 W/ SANDWEDGE OS CARRYING 21,700# 16/30 BRADY SAND AND 432,643# 12/20 BRADY SAND. |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 2002 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 6/26/2007 | Test Method: | PUMPING | | Hours Tested: | 24 | Gas Type: | COAL GAS | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 78 | | BBLS_OIL | 0 | | BTU_GAS | 979 | | CALC_BBLS_H2O | 78 | | CALC_BBLS_OIL | 0 | | CALC_MCF_GAS | 0 | | CASING_PRESS | 4 | | GRAVITY_OIL | 1 | | MCF_GAS | 0 | | TUBING_PRESS | 2 |
| | Perforation Data: | | Interval Top: | 535 ft. | # Of Holes: | 99 | | Interval Bottom: | 1899 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) | 23925 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 11.291 |
| Average MCFE per Day | 65.503 |
| Federal Financial Assurance | i | |
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