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Wellbore #00 Wellbore Classification: OW Status: AB - 10/21/2025 Measured TD: 7510 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: OW AB - 10/21/2025 | | Wellbore Permit | | | Permit #: | 941128 | Expiration Date: | 2/22/1995 | | Proposed Depth/Form: | | | Surface Mineral Owner Same: | No | | Mineral Owner: | FEE | Surface Owner: | Not available | | Unit: | | Unit Number: | | | Formation And Spacing: | Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 0 , Unit Acreage: 80, Drill Unit: S2NW |
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| Wellbore Completed | | Completion Date: | 12/12/1994 | | Spud Date: | 11/28/1994 | Spud Date Is: | ACTUAL | | Measured TD: | 7510 ft. | Measured PB depth: | 7433 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | CBL | | Casing: | String Type: SURF, Hole Size: 9.875 in., Size: , Top: 0 ft., Depth: 440 ft., Weight: 17 , Citings Type: ACTUAL | | Cement: | Sacks: 125, Top: 0 ft., Bottom: 440 ft., Determination Method: VISU | | Casing: | String Type: 1ST, Hole Size: 6.25 in., Size: 3.5 in., Top: 0 ft., Depth: 7494 ft., Weight: 7.7 , Citings Type: ACTUAL | | Cement: | Sacks: 450, Top: 4510 ft., Bottom: 7494 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.1, Hole Size: 6.25 in., Size: 3.5 in., Top: 0 ft., Depth: 704 ft., Weight: 7.7 , Citings Type: ACTUAL | | Cement: | Sacks: 175, Top: 0 ft., Bottom: 704 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | PARKMAN | 3729 ft. | | | | | SUSSEX | 4496 ft. | | | | | NIOBRARA | 7014 ft. | | | | | FORT HAYS | 7339 ft. | | | | | CODELL | 7360 ft. | | | |
Formation CODL Formation Classification: OW Status: CM - 4/19/2011 Interval Top: 7362 ft. Interval Bottom: 7378 ft.| Completed Information for Formation CODELL | | 1st Production Date: | 1/13/1995 | Choke Size: | | | Formation Name: | CODELL | Commingled: | Yes | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 1/21/2011 | | Treatment Summary: | Codell trifrac
Frac'd Codell w/127785 gals Vistar and Slick Water with 244000 lbs Ottawa sand | | Formation Treatment | | Treatment Date: | 1/11/1995 | | Treatment Summary: | 106,638 GAL VISTAR 22/24/26 FLUID & 220,100# 20/40 SAND, 11/07/2001 |
| | Tubing Size: | | Tubing Setting Depth: | | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | N/A | Test Method: | | | Hours Tested: | | Gas Type: | | | Gas Disposal: | | |
| Test Type | Measure |
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| BBLS_H2O | 12 | | BBLS_OIL | 12 | | CALC_BBLS_H2O | 12 | | CALC_BBLS_OIL | 12 | | CALC_GOR | 18 | | CALC_MCF_GAS | 210 | | CASING_PRESS | 210 | | MCF_GAS | 210 |
| | Perforation Data: | | Interval Top: | 7362 ft. | # Of Holes: | 73 | | Interval Bottom: | 7378 ft. | Hole Size: | |
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Formation NB-CD Formation Classification: OW Status: AB - 10/21/2025 Interval Top: 7054 ft. Interval Bottom: 7378 ft.| Completed Information for Formation NIOBRARA-CODELL | | 1st Production Date: | 1/13/1995 | Choke Size: | | | Formation Name: | NIOBRARA-CODELL | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 1/13/2011 | | Treatment Summary: | Codell & Niobrara are commingled; nothing new happened in Niobrara during Codell trifrac | | Formation Treatment | | Treatment Date: | 1/11/1995 | | Treatment Summary: | ACID W/ 1000 GAL 7-1/2% HCL 114,458 GAL FLUID & 417,000# 20/40 SAND, 1/11/1995 |
| | Tubing Size: | 2.0625 in. | Tubing Setting Depth: | 7329 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 3/11/2011 | Test Method: | Flowing | | Hours Tested: | 24 | Gas Type: | SHALE | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 2 | | BBLS_OIL | 5 | | BTU_GAS | 1291 | | CALC_BBLS_H2O | 2 | | CALC_BBLS_OIL | 5 | | CALC_GOR | 23800 | | CALC_MCF_GAS | 119 | | CASING_PRESS | 500 | | GRAVITY_OIL | 61 | | MCF_GAS | 119 | | TUBING_PRESS | 450 |
| | Perforation Data: | | Interval Top: | 7054 ft. | # Of Holes: | 80 | | Interval Bottom: | 7378 ft. | Hole Size: | |
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| Reported Plugged | Y | 10/21/2025 |
| 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) | 154 |
| Total Gas Produced (MCF) | 3883 |
| GOR | 25214 |
| GOR Determination | MCFE |
| Average BOE per Day | 2.263 |
| Average MCFE per Day | 13.150 |
| Federal Financial Assurance | i | |
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