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Our petroleum consulting services focus on assisting our clients with their most critical issues and opportunities. GLJ brings comprehensive industry expertise and has strong relationships with a number of expert companies, academic institutions and other organizations that we support and collaborate with.


GLJ and Aucerna have entered a strategic partnership, cementing their position as leaders in reserves software. This partnership allows GLJ immediate and ongoing direct input on the industry’s most advanced reserves software.

This new software, combines GLJ’s proprietary reserves workflows with Aucerna’s progressive solutions to develop fully integrated reserves software with superior functionality and speed. It includes rigorous economic models and analysis workflows that are currently difficult to use with existing products and compatible with reserves-related data from other sources.

This partnership brings together two technology pioneers and thought leaders in the petroleum planning and reserves space. It signals an evolution in the way companies plan and manage their core assets.



GLJ and ERC Equipoise Limited (ERCE), based in London UK, have formed a technical alliance to build upon the strengths of the two firms and merge their combined backgrounds in conventional and unconventional developments.

Both firms are privately owned, independent specialists in reservoir evaluation. GLJ has a robust background in unconventional assets, dealing with shale gas, shale oil, CBM, oil sands including thermal projects, and tight reservoirs. GLJ also has decades of experience working with conventional assets within North and South America, Australia and other areas internationally.

ERCE is heavily involved in conventional reservoir characterization applying the latest technologies in rock physics, depth conversion, static and dynamic modeling to exploration and development opportunities in the North Sea, Europe, the Arctic, Africa, the Middle East, the Indian Sub-Continent and Southeast Asia. Both firms have strong commercial teams and provide reserves and resources auditing, economic modeling and advisory services to E&P companies, National Oil Companies, governments and financial institutions.

We combine ERCE’s regional subsurface knowledge of Europe, Africa and the Near and Far East with GLJ’s unconventional resource evaluation experience in North and South America. This integrated skill set enables us to fully evaluate any unconventional opportunity, taking into account reservoir, infrastructure and commercial subtleties, incorporating the recent advances in technology and operating practices originating out of North America.



Verdazo Analytics helps companies make smarter, faster decisions. VERDAZO software reveals the hidden insights in complex data through visual analysis tools, pre-built templates, custom reports and its dynamic discovery analytics workflows. The company was originally founded in 2006 as Visage Information Solutions and rebranded in 2016 as part of a growth strategy targeting the U.S. Oil & Gas market and an expansion into new verticals.

Verdazo Analytics benefits from GLJ’s broad perspective with over 40 years of petroleum industry experience, extending the domestic and global reach of its VERDAZO software. The partnership strengthens both companies’ client offerings and secures their mutual leadership in visual data analytics for Oil & Gas producers, investors and financiers.