Computer Modelling Group Ltd (OTCMKTS:CMDXF) is a Canada-based software developer specializing in advanced reservoir simulation for the oil and gas industry. Headquartered in Calgary, Alberta, the company has been providing technology solutions since its founding in 1978. Its core mission is to help energy producers model and optimize subsurface flow and recovery processes, enabling more efficient field development and production planning.
The company’s principal products include IMEX, GEM and STARS reservoir simulators, each tailored to specific recovery mechanisms—from conventional black-oil workflows to complex compositional and thermal processes. IMEX addresses waterflood and gas injection projects, GEM handles compositional simulation for enhanced oil recovery (EOR), and STARS focuses on thermal recovery, steam-assisted gravity drainage (SAGD) and other advanced recovery methods. Complementary software solutions, such as CoFlow for unconventional gas and CMOST for automated history matching and optimization, broaden the suite’s capabilities.
Beyond software licensing, Computer Modelling Group offers technical consulting, customized training and support services to help operators deploy simulation models effectively. The company maintains a global presence with regional offices in major oil-and-gas centres, supporting customers across North America, Latin America, Europe, Africa and the Asia-Pacific region. This worldwide footprint ensures onsite expertise for implementation, model development and ongoing troubleshooting.
Over its four decades of operation, Computer Modelling Group has built a reputation for innovation in reservoir engineering software. The company’s products are employed by national oil companies, independents and international majors alike. Governed by an experienced management team drawn from both academic and industry backgrounds, CMG continues to invest in research and development to address evolving challenges in field development, reservoir management and enhanced recovery techniques.
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