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Wellbore #00 Wellbore Classification: GW Status: SI - 10/1/2025 Measured TD: 8605 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: GW SI - 10/1/2025 | | Wellbore Permit | | | Permit #: | | Expiration Date: | 8/18/2013 | | Proposed Depth/Form: | 8605 ft. | | Surface Mineral Owner Same: | Yes | | Mineral Owner: | FEDERAL | Surface Owner: | FEDERAL | | Unit: | Cedar Bench DKA | Unit Number: | COC48964A | | Formation And Spacing: | Code: DKTA , Formation: DAKOTA , Order: 0 , Unit Acreage: 640, Drill Unit: ALL | | Formation And Spacing: | Code: MNCS , Formation: MANCOS , Order: , Unit Acreage: , Drill Unit: | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1352 ft., Weight: 36 , Citings Type: PLANNED | | Cement: | Sacks: 525, Top: 0 ft., Bottom: 1352 ft. | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8603 ft., Weight: 11.6 , Citings Type: PLANNED | | Cement: | Sacks: 1220, Top: 5350 ft., Bottom: 8603 ft. |
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| Wellbore Completed | | Completion Date: | 10/8/1988 | | Spud Date: | 9/21/1988 | Spud Date Is: | ACTUAL | | Measured TD: | 8605 ft. | Measured PB depth: | 8020 ft. | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | CBL | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1351 ft., Weight: 36 , Citings Type: ACTUAL | | Cement: | Sacks: 525, Top: 0 ft., Bottom: 1351 ft., Determination Method: CALC | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8603 ft., Weight: 12 , Citings Type: ACTUAL | | Cement: | Sacks: 1144, Top: 4790 ft., Bottom: 8603 ft., Determination Method: CBL | | Casing: | String Type: 1ST LINER, Hole Size: 4 in., Size: 3.125 in., Top: 1637 ft., Depth: 1689 ft., Weight: 7.7 , Citings Type: ACTUAL | | Cement: | Sacks: 0, Top: 0 ft., Bottom: 0 ft., Determination Method: CALC | | Additional Cement: | String Type: 1ST LINER , Top: 1675 ft., Depth: 1675 ft., Bottom: 1675 ft., Sacks: 250, Method: SQUEEZE | | Formation | Interval Top | Log Bottom | Cored | DSTs | | MESAVERDE | 370 ft. | 3170 ft. | | | | ROLLINS | 3170 ft. | 3265 ft. | | | | COZZETTE | 3265 ft. | 3485 ft. | | | | CORCORAN | 3485 ft. | 3690 ft. | | | | MANCOS | 3690 ft. | 6403 ft. | | | | NIOBRARA | 6403 ft. | 7685 ft. | | | | FRONTIER | 7685 ft. | 8050 ft. | | | | DAKOTA | 8050 ft. | 8310 ft. | | | | MORRISON | 8310 ft. | 8605 ft. | | |
Formation DKTA Formation Classification: Status: AB - 9/10/2011 Interval Top: 8054 ft. Interval Bottom: 8258 ft.| Completed Information for Formation DAKOTA | | 1st Production Date: | N/A | Choke Size: | | | Formation Name: | DAKOTA | Commingled: | | | Production Method: | | | Open Hole Completion: | |
| | 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 DKTA. |
| | Perforation Data: | | Interval Top: | 8054 ft. | # Of Holes: | 146 | | Interval Bottom: | 8258 ft. | Hole Size: | |
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Formation NBRR Formation Classification: GW Status: SI - 10/1/2025 Interval Top: 7281 ft. Interval Bottom: 7430 ft.| Completed Information for Formation NIOBRARA | | 1st Production Date: | 10/25/2011 | Choke Size: | 22.000 in. | | Formation Name: | NIOBRARA | Commingled: | No | | Production Method: | | | Open Hole Completion: | No |
| | Formation Treatment | | Treatment Date: | 1/16/2012 | | Treatment Summary: | Stage 1R: 9110 bbls of Slickwater, 63040 lbs of 100 Sand, 158340 lbs of 40-70 Sand. (Produced 10/01/2011 - 02/15/2012, Top and Bottom: 7748-7903' Niobrara, Set CIBP on 2/15/2012)
Stage 2R: 9921 bbls of Slickwater, 105060 lbs of 100 Sand, 147720 lbs of 40-70 Sand. |
| | Tubing Size: | 2.92 in. | Tubing Setting Depth: | 7342 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 2/20/2012 | Test Method: | Flowing | | Hours Tested: | 24 | Gas Type: | SHALE | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 3 | | BTU_GAS | 1170 | | CALC_BBLS_H2O | 3 | | CALC_MCF_GAS | 140 | | CASING_PRESS | 493 | | MCF_GAS | 140 | | TUBING_PRESS | 134 |
| | Perforation Data: | | Interval Top: | 7281 ft. | # Of Holes: | 30 | | Interval Bottom: | 7430 ft. | Hole Size: | 0.32 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) | 59 |
| Total Gas Produced (MCF) | 9170 |
| GOR | 155423 |
| GOR Determination | MCFE |
| Average BOE per Day | 4.490 |
| Average MCFE per Day | 26.030 |
| Federal Financial Assurance | i | Y |
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