Ekelemu, O. et al. 2026. Field Reliability of Advanced Leak Detection and Repair Technologies: A Technical Analysis of Optical Gas Imaging Against Instrument-Based Screening for Fugitive Emission Identification. Global Journal of Engineering and Technology Research. 2, 09 (Sep. 2026), 448–464. DOI:https://doi.org/10.65150/EP-gjetr/V2E9/2026-06.