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Wellbore #00 Wellbore Classification: OW Status: AB - 9/30/2025 Measured TD: 7465 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: OW AB - 9/30/2025 | | Wellbore Permit | | | Permit #: | | Expiration Date: | 6/30/2012 | | Proposed Depth/Form: | 7465 ft. | | Surface Mineral Owner Same: | No | | Mineral Owner: | FEE | Surface Owner: | FEE | | Unit: | | Unit Number: | | | Formation And Spacing: | Code: CODL , Formation: CODELL , Order: 0 , Unit Acreage: 0, Drill Unit: | | Formation And Spacing: | Code: NBRR , Formation: NIOBRARA , Order: 407 , Unit Acreage: 80, Drill Unit: S/2NW/4 | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 216 ft., Weight: 24 , Citings Type: PLANNED | | Cement: | Sacks: 145, Top: 10 ft., Bottom: 216 ft. |
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| Wellbore Completed | | Completion Date: | N/A | | Spud Date: | 2/9/1987 | Spud Date Is: | ACTUAL | | Measured TD: | 7465 ft. | Measured PB depth: | | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | CBL | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 216 ft., Weight: 24 , Citings Type: ACTUAL | | Cement: | Sacks: 145, Top: 0 ft., Bottom: 216 ft., Determination Method: VISU | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 7433 ft., Weight: 11.6 , Citings Type: ACTUAL | | Cement: | Sacks: 230, Top: 6428 ft., Bottom: 7433 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.1, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 4650 ft., Weight: 11.6 , Citings Type: ACTUAL | | Cement: | Sacks: 400, Top: 3800 ft., Bottom: 4650 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.2, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 844 ft., Weight: 11.6 , Citings Type: ACTUAL | | Cement: | Sacks: 312, Top: 80 ft., Bottom: 844 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | NIOBRARA | 6998 ft. | | | | | CODELL | 7287 ft. | | | |
Formation CODL Formation Classification: OW Status: CM - 1/11/2011 Interval Top: 7287 ft. Interval Bottom: 7307 ft.| Completed Information for Formation CODELL | | 1st Production Date: | 2/26/1988 | Choke Size: | | | Formation Name: | CODELL | Commingled: | Yes | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 12/16/2010 | | Treatment Summary: | Commingled with Niobrara
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| | Tubing Size: | | Tubing Setting Depth: | | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | No Initial Test Data was found for formation CODL. |
| | Perforation Data: | | Interval Top: | 7287 ft. | # Of Holes: | 50 | | Interval Bottom: | 7307 ft. | Hole Size: | 0.38 in. |
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Formation NB-CD Formation Classification: OW Status: AB - 9/30/2025 Interval Top: 7004 ft. Interval Bottom: 7307 ft.| Completed Information for Formation NIOBRARA-CODELL | | 1st Production Date: | 12/2/2010 | Choke Size: | | | Formation Name: | NIOBRARA-CODELL | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 11/23/2010 | | Treatment Summary: | NB Perf: 7004-7166 Holes: 48 Size: .38
Frac NB w/ 250 gal 15% HCl & 163,676 gal pHaser Hybrid w/ 250,380# 20/40 sand, 4,000# SB Excel sand
CD Perf: 7287-7307 Holes: 50 Size: .38 - no new perf
Frac CD w/ 121,506 gal pHaser w/ 265,000# 20/40 sand, 4,000# SB Excel sand |
| | Tubing Size: | 2.375 in. | Tubing Setting Depth: | 7256 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 1/5/2011 | Test Method: | Flowing | | Hours Tested: | 24 | Gas Type: | SHALE | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_OIL | 8 | | BTU_GAS | 1276 | | CALC_BBLS_OIL | 8 | | CALC_GOR | 12625 | | CALC_MCF_GAS | 101 | | CASING_PRESS | 1100 | | GRAVITY_OIL | 55 | | MCF_GAS | 101 | | TUBING_PRESS | 1100 |
| | Perforation Data: | | Interval Top: | 7004 ft. | # Of Holes: | 98 | | Interval Bottom: | 7307 ft. | Hole Size: | 0.38 in. |
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| Reported Plugged | Y | 09/30/2025 |
| 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) | 222 |
| Total Gas Produced (MCF) | 3757 |
| GOR | 16923 |
| GOR Determination | MCFE |
| Average BOE per Day | 2.373 |
| Average MCFE per Day | 13.758 |
| Federal Financial Assurance | i | |
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