Document 7RV9BwamNGjbppako41mqMYD6

Inspection Report Mechanical Integrity Test Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas TX 75270 Inspector Matthew Allen MIT Date 07/09/2025 Operator Representative Tallgrass Resources, LLC Report Sent Operator Time 12:00 Inject Interval 2900 - 2970 USDW 595 Well Type Dual Completion Annulus Fluid Type Casing 7 Concentric Pkr Tubing 2.875 Packer Depth 2668 Operator Info Tallgrass Resources, LLC 1569 E 21st Street, Suite 215 Tulsa, OK 74114 Phone: 918-270-9927 Inventory ID API Well No Lease Name Well ID OS1436000 JAC 3 Location NE 29 28N 08E Type of MIT Ada Pressure Test Test Reason Post Workover Injecting N Injection Rate (bpd) Tubular Lining Ann Filled (hrs) MIT Due 07/30/2023 MIT Freq EVERY FIVE YEARS Ann Press Mont Time Pre-Test Tubing Pressure 0 Annulus Pressure 0 Flowback Pressure High Volume Initial 12:00 150 150 Mid Mid 12:15 150 150 Low Final 12:30 150 150 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 2900 Depth to Fluid Level 197 Fluid Column Level 2703 Specific Gravity of Fluid 1.06 Nitrogen Weight Factor 1.1064 Required Pressure Test 1121.31 Remedial Action Type Fluid Migration Test Type Inspection Comments Inspector Signature Remedial Action Type Well, OS1436000 was pressured to 150psi on the tubing after a workover rig had applied additional tension to the packer. The tubing and annulus immediately equalized. The operator stated they would immediately begin repairing the well. MATTHEW ALLEN Date: 2025.08.12 08:31:24 -05'00' Digitally signed by MATTHEW ALLEN Supervisor Signature JEANNE ECKHART Date: 2025.08.12 12:32:06 -05'00' Digitally signed by JEANNE ECKHART