Computer Modelling Group

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Computer Modelling Group Ltd.
Traded as TSXCMG
Industry Oil and gas
Founded 1978 (1978)
Founder Khalid Aziz
Headquarters Calgary, Alberta, Canada
Number of locations
Area served
Products Reservoir simulation software
Revenue C$84.86 million (2015)[1]

Computer Modelling Group Ltd., abbreviated as CMG, is a software company that produces reservoir simulation software for the oil and gas industry. It is based in Calgary, Alberta, Canada with branch offices in Houston, Dubai, Bogota, Rio de Janeiro, London and Kuala Lumpur. The company is traded on the Toronto Stock Exchange under the symbol CMG.

The company offers three reservoir simulation applications. IMEX, a conventional black oil simulator used for primary, secondary and enhanced or improved oil recovery processes; GEM, an advanced Equation-of-State (EoS) compositional and unconventional simulator; and STARS a k-value thermal and advanced processes simulator. In addition, CMG offers CMOST, a reservoir engineering tool that conducts automated history matching, sensitivity analysis and optimization of reservoir models. [2]


The company began in 1978 as an effort to develop a simulator by Khalid Aziz of the University of Calgary's Chemical Engineering department, with a research grant from the government of Alberta. CMG became known for its expertise in heavy oil, and has expanded this knowledge into all aspects of reservoir flow and advanced processes modelling. A commercial product was available by the late 1980s. For the first 19 years of the company's history it was a non-profit entity. In 1997, CMG became a public company when it was listed on the TSX. The company now claims over 570 clients in 58 countries.[3]


  1. ^ "Financial Statements for Computer Modelling Group". Google Finance. Retrieved 7 August 2016. 
  2. ^ "CMG Homepage". Retrieved 7 April 2016. 
  3. ^ "CMG". Retrieved 7 August 2016.