Upstream Facility Engineering, Procurement & Project Management Consulting, serving the Oil & Gas Industry. Headquartered in Calgary, Alberta, Canada, we offer a blend of Engineering and Design Services using a relational approach to our clients' project needs. Strong Multi-Disciplinary teams of professionals handle projects ranging from full EPC to stand alone engineering projects. OEL has provided the Oil and Gas Industry with Facility Design Engineering Consulting services since 1972. OEL’s in-house engineering capabilities of mechanical, process, electrical, instrumentation, controls, corrosion and corrosion inhibitor analysis, testing facilities and digital design disciplines complete projects from conception to startup including Construction Management and Operations Support. OEL has expertise in Brownfield and Greenfield applications, sour gas, enhanced oil recovery and facilities, debottlenecking and upgrades to existing facilities. Our project capabilities range from large processing plants to single well tie-ins with a variety of relatively small capital expenditures up to full grassroots projects.