Document 74L2nX36046g68o7YaEJ8ybR

Inspection Report Mechanical Integrity Test Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas TX 75270 Inspector Matthew Allen MIT Date 07/02/2024 Operator Representative Contango Resources, LLC Report Sent Operator Time 12:15 Inject Interval 2945 - 2978 USDW 721 Well Type Enhanced Recovery Annulus Fluid Type Casing 5.5 Concentric Pkr Tubing 2.375 Packer Depth Operator Info Contango Resources, LLC 1717 South Boulder, Suite 900 Tulsa, OK 74119 Phone: 918-392-3396 Inventory ID API Well No Lease Name Well ID OS3031000 NEIMAN 7 Location SE 15 26N 06E Type of MIT Ada Pressure Test Test Reason Routine Injecting N Injection Rate (bpd) Tubular Lining Ann Filled (hrs) MIT Due 10/06/2024 MIT Freq EVERY FIVE YEARS Ann Press Mont Time Pre-Test Tubing Pressure 480 Annulus Pressure Flowback Pressure High Volume Initial 12:15 480 Mid Mid 12:30 480 Low Final 12:45 480 End Total Volume 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 2945 Depth to Fluid Level 1750 Fluid Column Level 1195 Specific Gravity of Fluid 1.06 Nitrogen Weight Factor 1.1101 Required Pressure Test 974.000 Remedial Action Type Fluid Migration Test Type Inspection Comments Inspector Signature Remedial Action Type Well OS3031000 was observed with 480psig on the tubing prior to beginning the MIT. Twelve (12) full nitrogen cylinders were injected into the well and the pressure remained at 480psig. The calculated required test pressure was 974psig. The well failed to reach the required test pressure. MATTHEW ALLEN Date: 2024.07.29 12:52:59 -05'00' Digitally signed by MATTHEW ALLEN Supervisor Signature JEANNE ECKHART Date: 2024.07.30 13:08:23 -05'00' Digitally signed by JEANNE ECKHART Contango Resources, LLC/Neiman Lease OS3031000 (UIC) Inspection Date: 07/02/2024 Appendix 1 Photograph Log 2 Photos UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Photograph Log Location: 36.725906, -96.638005 City: Shidler Photo No. 1 County/Parish: Osage State: Oklahoma Photo File Name: R0010477 Orientation: NNW Date of Photo: 7/29/2024 Time of Photo: 12:59 PM Latitude: 36.725906 Longitude: -96.638005 Photographer: Matthew Allen Description: This was the well sign for OS3031000. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Photograph Log Location: 36.725906, -96.638005 City: Shidler Photo No. 2 County/Parish: Osage State: Oklahoma Photo File Name: R0010478 Orientation: NW Date of Photo: 7/29/2024 Time of Photo: 12:59 PM Latitude: 36.725906 Longitude: -96.638005 Photographer: Matthew Allen Description: This was well OS3031000 at the time of the mechanical integrity test.