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Wellbore #00 Wellbore Classification: OW Status: PR - 10/1/2025 Measured TD: 8668 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: OW PR - 10/1/2025 | | Wellbore Permit | | | Permit #: | | Expiration Date: | 4/1/2014 | | Proposed Depth/Form: | 8619 ft. | | Surface Mineral Owner Same: | Yes | | Mineral Owner: | STATE | Surface Owner: | STATE | | Unit: | | Unit Number: | | | Formation And Spacing: | Code: DSND , Formation: D SAND , Order: , Unit Acreage: 40, Drill Unit: SW/4SW/4 | | Formation And Spacing: | Code: JSND , Formation: J SAND , Order: 257-1 , Unit Acreage: 80, Drill Unit: S/2SW/4 | | Formation And Spacing: | Code: NB-CD , Formation: NIOBRARA-CODELL , Order: , Unit Acreage: 40, Drill Unit: SW/4SW/4 | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 208 ft., Weight: 24 , Citings Type: PLANNED | | Cement: | Sacks: 150, Top: 0 ft., Bottom: 208 ft. | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 8656 ft., Weight: 15.5 , Citings Type: PLANNED | | Cement: | Sacks: 200, Top: , Bottom: 8656 ft. | | Casing: | String Type: STAGE TOOL, Hole Size: , Size: , Top: , Depth: 2100 ft., Weight: , Citings Type: PLANNED | | Cement: | Sacks: 300, Top: 150 ft., Bottom: 2100 ft. |
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| Wellbore Completed | | Completion Date: | N/A | | Spud Date: | 5/11/1972 | Spud Date Is: | ACTUAL | | Measured TD: | 8668 ft. | Measured PB depth: | | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | CAL, CBL | | Log Types: | IES & COMP. DENSITY CALIPER W/GR | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 208 ft., Weight: 24 , Citings Type: ACTUAL | | Cement: | Sacks: 150, Top: 0 ft., Bottom: 208 ft., Determination Method: VISU | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 5.5 in., Top: 0 ft., Depth: 8656 ft., Weight: 14-17 , Citings Type: ACTUAL | | Cement: | Sacks: 200, Top: 8020 ft., Bottom: 8656 ft., Determination Method: CBL | | Additional Cement: | String Type: S.C. 1.1 , Top: , Depth: 8100 ft., Bottom: , Sacks: 49, Method: SQUEEZE | | Additional Cement: | String Type: S.C. 1.2 , Top: 0 ft., Depth: 410 ft., Bottom: 410 ft., Sacks: 200, Method: 1 INCH | | Formation | Interval Top | Log Bottom | Cored | DSTs | | HYGIENE | 3079 ft. | | N | | | NIOBRARA | 7787 ft. | | N | | | TIMPAS | 8107 ft. | | N | | | CARLILE | 8138 ft. | | N | | | GREENHORN | 8209 ft. | | N | | | BENTONITE | 8403 ft. | | N | | | D SAND | 8490 ft. | | N | Y | | J SAND | 8540 ft. | | N | Y | | SKULL CREEK | 8603 ft. | | N | |
Formation JSND Formation Classification: GW Status: PR - 10/1/2025 Interval Top: 8570 ft. Interval Bottom: 8596 ft.| Completed Information for Formation J SAND | | 1st Production Date: | 6/6/1972 | Choke Size: | | | Formation Name: | J SAND | Commingled: | Yes | | Production Method: | ROD PUMP | | Open Hole Completion: | |
| | Formation Treatment | | Treatment Date: | 6/6/1972 | | Treatment Summary: | SEE SCANNED DOCUMENT # 1336856 |
| | Tubing Size: | 2.875 in. | Tubing Setting Depth: | 8543 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 7/29/2000 | Test Method: | ROD PUMP | | Hours Tested: | 120 | Gas Type: | | | Gas Disposal: | | |
| Test Type | Measure |
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| BBLS_H2O | 100 | | BBLS_OIL | 10 | | CALC_BBLS_H2O | 20 | | CALC_BBLS_OIL | 2 |
| | Perforation Data: | | Interval Top: | 8570 ft. | # Of Holes: | 52 | | Interval Bottom: | 8596 ft. | Hole Size: | |
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Formation DSND Formation Classification: OW Status: PR - 10/1/2025 Interval Top: 8490 ft. Interval Bottom: 8520 ft.| Completed Information for Formation D SAND | | 1st Production Date: | 7/29/2000 | Choke Size: | | | Formation Name: | D SAND | Commingled: | Yes | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Type: | FRACTURE STIMULATION | | Treatment Date: | 10/22/2013 | Treatment End Date: | 10/22/2013 | | Treatment Summary: | Fracture stimulated D Sand perforations down 2-7/8" tubing with packer at 8100' and holding up to 1000 psi and annulus. Pumped 818 barrels of crossed linked gelled 5% KCl water containing 42,650# 20/40 sand at 15 BPM. Job was cut short due to rising pressure upwards of 7000 psi. Was able to flush all sand to perforations. ISIP-4920 psi. 5 min-3640 psi. 10 min-3110 psi. 15 min-2910 psi. 30 min-2800 psi. 3 hr-1175 psi. | | Total fluid used in treatment (bbls): | 818 | Max pressure during treatment (psi): | 7000 | | Total gas used in treatment (mcf): | | Fluid density (lbs/gal): | 8.40 | | Type Of gas: | | Number Of staged intervals: | 1 | | Total acid used in treatment (bbls): | | Min frac gradient (psi/ft): | | | Recycled water used in treatment (bbls): | | Total flowback volume recovered (bbls): | 0 | | Fresh water used in treatment (bbls): | 818 | Disposition method For flowback: | DISPOSAL | | Total proppant used (lbs): | 42650 | Green completions techniques utilized: | No | | Reason green techniques Not utilized: PRESSURE | | Formation Treatment | | Treatment Date: | 6/6/1972 | | Treatment Summary: | NO TREATMENT |
| | 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 DSND. |
| | Perforation Data: | | Interval Top: | 8490 ft. | # Of Holes: | 60 | | Interval Bottom: | 8520 ft. | Hole Size: | 0.5 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 | Y | Production Period
01/2025 - 12/2025 |
| Total Oil Produced (Barrels) | 38 |
| Total Gas Produced (MCF) | 92 |
| GOR | 2421 |
| GOR Determination | BOE |
| Average BOE per Day | 0.150 |
| Average MCFE per Day | 0.857 |
| Federal Financial Assurance | i | |
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