Document DGvo9ayGYGNb5do7d2av7pwkQ

Inspection Report Mechanical Integrity Test Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas TX 75270 Inspector Matthew Allen MIT Date 08/14/2025 Operator Representative Performance Petroleum Co Report Sent Operator Time 09:50 Inject Interval 2317 - 2800 USDW 300 Well Type Disposal Annulus Fluid Type water Casing 4.5 Concentric Pkr Tubing 2.875 Packer Depth 1300 Operator Info Performance Petroleum Co P.O. Box 628 Barnsdall, OK 74002 Phone: 918-847-2531 Inventory ID API Well No Lease Name Well ID OS3557000 Whiting SWD1 Location NW 11 27N 10E Type of MIT Ada Pressure Test Test Reason Routine Injecting N Injection Rate (bpd) Tubular Lining Ann Filled (hrs) MIT Due 12/17/2023 MIT Freq EVERY FIVE YEARS Ann Press Mont Time Pre-Test Tubing Pressure 0 Annulus Pressure 0 Flowback Pressure High 205 Volume Initial 10:00 610 205 Mid 10:15 610 205 Mid 100 900 Low 20 900 Final 10:30 610 205 End 0 200 Total Volume 2000 ADA Pressure Test - Required Test Pressure (Fluid Column Ht * Specific Gravity * .433 / N2 Wt Fac = Required Test Pressure) Tubing Annulus Depth to Top Perf/Open Hole 2317 Depth to Fluid Level 803 Fluid Column Level 1514 Specific Gravity of Fluid 1.06 Nitrogen Weight Factor 1.0839 Required Pressure Test 641.100 Remedial Action Type Fluid Migration Test Type Inspection Comments Inspector Signature Remedial Action Type Well, OS3557000 was tested with a SAPT and Ada pressure test at the same time. The calculated Ada test pressure was 641.10psi, the well achieved and maintained a test pressure of 610psi. The annulus was pressured to 205psi and maintained the pressure throughout the required 30-minute observance period. There were no areas of concern at the time of the inspection. Inspector did not record the casing size for verification. MATTHEW ALLEN Date: 2025.09.25 14:07:30 -05'00' Digitally signed by MATTHEW ALLEN Supervisor Signature JEANNE ECKHART Date: 2025.09.26 06:46:24 -05'00' Digitally signed by JEANNE ECKHART Performance Petroleum Co/Whiting Lease (OS3557000) Inspection Date: 8/14/2025 Appendix 1 Photograph Log 1 Photo UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Photograph Log Location: 36.836759, -96.119785 City: Bowring Photo No. 1 County/Parish: Osage State: Oklahoma Photo File Name: R0010744 Orientation: N Date of Photo: 8/14/2025 Time of Photo: 9:50 AM Latitude: 36.836759 Longitude: -96.119785 Photographer: Matthew Allen Description: This was well OS3557000 at the time of the inspection.