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Wellbore #00 Wellbore Classification: GW Status: PR - 12/1/2025 Measured TD: 8247 ft.| Wellbore Data for Original Wellbore | Wellbore Classification: GW PR - 12/1/2025 | | Wellbore Permit | | | Permit #: | | Expiration Date: | 4/29/2011 | | Proposed Depth/Form: | 8247 ft. | | Surface Mineral Owner Same: | Yes | | Mineral Owner: | FEE | Surface Owner: | FEE | | Unit: | CEDAR BENCH | Unit Number: | COC48964A | | Formation And Spacing: | Code: DKTA , Formation: DAKOTA , Order: , Unit Acreage: , Drill Unit: | | Formation And Spacing: | Code: MNCS , Formation: MANCOS , Order: , Unit Acreage: , Drill Unit: | | Formation And Spacing: | Code: MRSN , Formation: MORRISON , Order: , Unit Acreage: , Drill Unit: | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: , Depth: 1867 ft., Weight: 36 , Citings Type: PLANNED | | Cement: | Sacks: 810, Top: 0 ft., Bottom: 1867 ft. | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: , Depth: 8214 ft., Weight: 11.6 , Citings Type: PLANNED | | Cement: | Sacks: 815, Top: 7400 ft., Bottom: 8214 ft. |
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| Wellbore Completed | | Completion Date: | 8/4/2003 | | Spud Date: | 6/28/2003 | Spud Date Is: | ACTUAL | | Measured TD: | 8247 ft. | Measured PB depth: | | | True Vertical TD: | | True Vertical PB depth: | | | Log Types: | CN, AI, CBL | | Casing: | String Type: SURF, Hole Size: 12.25 in., Size: 9.625 in., Top: 0 ft., Depth: 1867 ft., Weight: 36 , Citings Type: ACTUAL | | Cement: | Sacks: 810, Top: 0 ft., Bottom: 1867 ft., Determination Method: CALC | | Casing: | String Type: 1ST, Hole Size: 7.875 in., Size: 4.5 in., Top: 0 ft., Depth: 8214 ft., Weight: 11.6 , Citings Type: ACTUAL | | Cement: | Sacks: 195, Top: 7448 ft., Bottom: 8214 ft., Determination Method: CBL | | Casing: | String Type: S.C. 1.1, Hole Size: , Size: , Top: , Depth: 4467 ft., Weight: , Citings Type: ACTUAL | | Cement: | Sacks: 620, Top: 0 ft., Bottom: 3295 ft., Determination Method: CBL | | Formation | Interval Top | Log Bottom | Cored | DSTs | | ROLLINS | 3029 ft. | | N | N | | COZZETTE | 3120 ft. | | N | N | | CORCORAN | 3282 ft. | | N | N | | SEGO | 3486 ft. | | N | N | | LOYD SS | 4111 ft. | | N | N | | MANCOS A | 4458 ft. | | N | N | | MANCOS B | 5529 ft. | | N | N | | DAKOTA | 7909 ft. | | N | N | | CEDAR MOUNTAIN | 8069 ft. | | N | N | | MORRISON | 8114 ft. | | N | N |
Formation DKTA Formation Classification: GW Status: AB - 6/29/2010 Interval Top: 7910 ft. Interval Bottom: 8110 ft.| Completed Information for Formation DAKOTA | | 1st Production Date: | 8/14/2003 | Choke Size: | | | Formation Name: | DAKOTA | Commingled: | | | Production Method: | | | Open Hole Completion: | |
| | Formation Treatment | | Treatment Date: | 8/4/2003 | | Treatment Summary: | PERF 7998-8018' W/80 HOLES,7966-7982' W/64 HOLES, 7930-7946' W/64 HOLES AND 7910-7930' W/80 HOLES (288 HOLES-4 SPF). SWAB. MILL OUT TIGHT SPOT, ACIF BREAKDOWN ON 7998-8018 W/24 BBLS 15% HCL & 35,000 SCF NITROGEN, BREAKDOWN 7966-7982' W/750 GAL 15% HCL & | | Formation Treatment | | Treatment Date: | 7/31/2003 | | Treatment Summary: | 24 BBLS 15% HCL AND 35,000 SCF NITROGEN
750 GAL 15% HCL AND 59000 SCF NITROGEN
48 BBLS 15% HCL AND 123,000 SCF NITROGEN
TIBING SIZE 2 3/8 AT 8079' |
| | Tubing Size: | | Tubing Setting Depth: | | | Tubing Packer Depth: | 0 ft. | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 4/9/2004 | Test Method: | FLOWING | | Hours Tested: | 24 | Gas Type: | DRY | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 2 | | CALC_BBLS_H2O | 2 | | CALC_MCF_GAS | 220 | | CASING_PRESS | 127 | | MCF_GAS | 220 | | TUBING_PRESS | 110 |
| | Perforation Data: | | Interval Top: | 7910 ft. | # Of Holes: | 384 | | Interval Bottom: | 8110 ft. | Hole Size: | 0.41 in. |
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Formation MNCS Formation Classification: GW Status: PR - 12/1/2025 Interval Top: 4086 ft. Interval Bottom: 7368 ft.| Completed Information for Formation MANCOS | | 1st Production Date: | 6/23/2010 | Choke Size: | 64.000 in. | | Formation Name: | MANCOS | Commingled: | | | Production Method: | | | Open Hole Completion: | |
| | Formation Treatment | | Treatment Date: | 7/15/2010 | | Treatment Summary: | STAGES 1R, 1ST SQZ HOLES, 2R, 3R, 4R, 5R, 6R, 7R, 8R TREATED WITH A TOTAL OF: 88991.5 BBLS OF SLICKWATER, 688544 LBS 100 SAND, 255940 LBS 20-40 SAND, 804615 LBS 40-70 SAND. |
| | Tubing Size: | 2.375 in. | Tubing Setting Depth: | 5693 ft. | | Tubing Packer Depth: | | Tubing Multiple Packer: | | | Open Hole Top: | | Open Hole Bottom: | | | Initial Test Data: | | Test Date: | 10/12/2010 | Test Method: | FLOWING | | Hours Tested: | 24 | Gas Type: | SHALE | | Gas Disposal: | SOLD | |
| Test Type | Measure |
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| BBLS_H2O | 272 | | BTU_GAS | 1170 | | CASING_PRESS | 123 | | MCF_GAS | 271 | | TUBING_PRESS | 157 |
| | Perforation Data: | | Interval Top: | 4086 ft. | # Of Holes: | 388 | | Interval Bottom: | 7368 ft. | Hole Size: | 0.42 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) | 194 |
| Total Gas Produced (MCF) | 38210 |
| GOR | 196958 |
| GOR Determination | MCFE |
| Average BOE per Day | 18.567 |
| Average MCFE per Day | 107.706 |
| Federal Financial Assurance | i | |
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