Well Integrity Logging Services for geothermal wells

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Sonderborg Varme is initiating the sourcing and tendering process for logging services (the WORK) as part of a well integrity assessment of two geothermal wells that are scheduled to be abandoned in 2026. Sonderborg Varme A/S is currently in preparation of planning the well integrity logging and it is expected to carry it out in September/October 2025. The service covered by this Request for Quotation (RFQ) is well integrity logging services covering: * Gauge cutter / junk basket: To drift the well and ensure no obstructions are encountered prior to performing the well integrity logging. * Cement Bond Log: To evaluate the quality of cement to casing bond, from surface down to top of reservoir. * Variable Density Log: To evaluate cement quality of the cement-to-formation bond, from surface down to top of reservoir. * Multi-Finger Caliper Log: To assess casing integrity (collapse, corrosion, scale) over the same interval. * Ultrasonic Log: Utilized to obtain detailed sectional images of the cement sheath quality and casing wall thickness, aiding in the detection of casing corrosion in the annulus, any micro-annuli or channels that could compromise well integrity.