A Worldwide Leader in Independent Engineering and Geological Services

GLJ Petroleum Consultants Ltd. is a premier international oil and gas resource consulting firm. We have a team of over 70 dedicated professionals with the experience, expertise, and reputation to handle any petroleum resource assessment worldwide.

Along with extensive industry experience in conventional international and Canadian oil and gas project evaluations, we also specialize in detailed assessments of unconventional resources. Follow this link to a map of our global experience.

GLJ’s in-depth industry knowledge and distinguished reputation benefits a diverse group of clients from small business to large integrated multi-national companies and national oil companies, as well as financial institutions. Our dedicated team of engineering and geoscience professionals is committed to providing unparalleled customer service, and our flexible proprietary software allow us to customize results to suit unique needs.

Our Data Analytics Partner:


Visage Information Systems is an industry leader in self-serve visual analytics for the oil and gas industry, utilizing both public and proprietary data.

Commodity Price Forecasts

GLJ has developed the current product price forecasts based on comprehensive analysis of oil and gas supply and demand data and market trends.

Summaries of GLJ Quarterly Forecasts can be found here.