NL Fisher Supervision and Engineering Ltd. is a Calgary-based oil and gas engineering firm offering well construction engineering, supervision, and consulting services. Their team has over 150 years of combined experience and specialises in horizontal drilling, multi-stage completions, and projects ranging from well closures to acid gas injection. They provide data analytics solutions for upstream operations, with proprietary software and a risk-based approach to technology. Referrals suit them best for oil and gas clients needing expert project supervision, drilling engineering, or field management in Canada's oil and gas basins.