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Wellbore #00 Wellbore Classification: GW Status: AB - 9/23/2025 Measured TD: 8091 ft. Vertical TD: 0 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: GW AB - 9/23/2025 | | Wellbore Permit | | | Permit #: | | Expiration Date: | 1/6/2011 | | Proposed Depth/Form: | 8094 ft. | | Surface Mineral Owner Same: | No | | Mineral Owner: | STATE | Surface Owner: | FEE | | Unit: | | Unit Number: | | | Formation And Spacing: | Code: JSND , Formation: J SAND , Order: 15 , Unit Acreage: 320, Drill Unit: S2 | | Formation And Spacing: | Code: NB-CD , Formation: NIOBRARA-CODELL , Order: 407 , Unit Acreage: 160, Drill Unit: SW/4 | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: , Depth: 680 ft., Weight: 24 , Citings Type: PLANNED | | Cement: | Sacks: 475, Top: 0 ft., Bottom: 680 ft. | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8077 ft., Weight: 11.6 , Citings Type: PLANNED | | Cement: | Sacks: 680, Top: 3840 ft., Bottom: 8077 ft. | | Casing: | String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 100 ft., Weight: , Citings Type: PLANNED | | Cement: | Sacks: 100, Top: 7308 ft., Bottom: 7311 ft. |
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| Wellbore Completed | | Completion Date: | 4/16/1994 | | Measured TD: | 8091 ft. | Measured PB depth: | 7980 ft. | | True Vertical TD: | 0 ft. | True Vertical PB depth: | | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 8.625 in., Top: 0 ft., Depth: 680 ft., Weight: 24 , Citings Type: ACTUAL | | Cement: | Sacks: 475, Top: 0 ft., Bottom: 680 ft., Determination Method: VISU | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8077 ft., Weight: 11.6 , Citings Type: ACTUAL | | Cement: | Sacks: 680, Top: 3820 ft., Bottom: 8077 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | FOX HILLS | 200 ft. | | | | | SUSSEX | 4429 ft. | | | | | SHANNON | 4930 ft. | | | | | NIOBRARA | 7008 ft. | | | | | FORT HAYS | 7280 ft. | | | | | CODELL | 7301 ft. | | | | | CARLILE | 7317 ft. | | | | | GREENHORN | 7366 ft. | | | | | J SAND | 7765 ft. | | | | | DAKOTA | 7985 ft. | | | |
Formation JSND Formation Classification: GW Status: AB - 9/23/2025 Interval Top: 7808 ft. Interval Bottom: 7837 ft.| Completed Information for Formation J SAND | | 1st Production Date: | 4/16/1994 | Choke Size: | | | Formation Name: | J SAND | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 4/5/2010 | | Treatment Summary: | SET SAND PLUG AT 7600 FOR MECHANICAL INTEGRITY. OUR INTENT IS TO DRILL OUT SAND PLUG AND COMMINGLE THE WELL IN THE NEXT SIX MONTHS. |
| | 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 JSND. |
| | Perforation Data: | | Interval Top: | 7808 ft. | # Of Holes: | 29 | | Interval Bottom: | 7837 ft. | Hole Size: | 0.38 in. |
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Formation NB-CD Formation Classification: GW Status: AB - 9/23/2025 Interval Top: 7012 ft. Interval Bottom: 7320 ft.| Completed Information for Formation NIOBRARA-CODELL | | 1st Production Date: | 4/15/2010 | Choke Size: | 0.156 in. | | Formation Name: | NIOBRARA-CODELL | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 4/12/2010 | | Treatment Summary: | NB PERF 7012-7174 HOLES 62 @.38. CD PERF 7304-7320 HOLES 64@.38. FRAC NB W/500 GAL HCI 244089 GAL SW W/200250# 40/70 & 4000# 20/40 SB EXCEL. FRAC CD W/ 211013 GAL SW W/150720# 40/70 & 4000# 20/40 SB EXCEL. |
| | Tubing Size: | | Tubing Setting Depth: | | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 4/29/2010 | Test Method: | FLOWING | | Hours Tested: | | Gas Type: | SHALE | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BTU_GAS | 1202 | | CALC_BBLS_OIL | 115 | | CALC_GOR | 8870 | | CALC_MCF_GAS | 1020 | | CASING_PRESS | 1700 |
| | Perforation Data: | | Interval Top: | 7012 ft. | # Of Holes: | 126 | | Interval Bottom: | 7320 ft. | Hole Size: | 0.38 in. |
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| Reported Plugged | Y | 09/23/2025 |
| Out Of Service Repurposed | N | |
| Out Of Service | Y | Plugging Due Date
12/31/2030 |
| Inactive Exception | N | |
| Noticed Inactive | N | |
| Defined Inactive | N | |
| Low Producing | N | |
| Total Oil Produced (Barrels) | 0 |
| Total Gas Produced (MCF) | 0 |
| GOR | |
| GOR Determination | MCFE |
| Average BOE per Day | 0.000 |
| Average MCFE per Day | 0.000 |
| Federal Financial Assurance | i | |
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