Derek Flaman

Derek Flaman

Calgary: 403.776.3759
Fax 403.776.3800


LLB, 1994
Queen's University

Bar Admissions

Alberta, 1996 Ontario, 1996


Derek Flaman’s practice focuses on commercial law in the energy sector, with an emphasis on M&A, joint ventures and project development in the oil and gas industry. His experience includes expertise in the acquisition and divestiture of upstream, midstream and downstream assets, onshore and offshore exploration and production matters, pipeline and transportation matters, as well as the marketing of energy and energy-related products. Derek’s clients are private equity funds, exploration and production companies, institutional lenders and midstream and downstream companies.

Representative Work

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Best Lawyers' Best Lawyers in Canada—Leading lawyer in energy law (2015-2018)

Chambers & Partners’ Chambers Canada—Leading lawyer in Canada, energy: oil & gas (transactional) (2016-2018)

Chambers & Partners' Chambers Global: The World’s Leading Lawyers for Business—Leading Canadian lawyer in energy: oil and gas (transactional) (2013-2018)

Euromoney's Guide to the World's Leading Energy and Environment Lawyers—Leading lawyer (2018)

Law Business Research's Who’s Who Legal Canada—Leading lawyer in energy (2014-2017)

Law Business Research's Who’s Who Legal—Leading lawyer in energy (2013, 2015)

Lexpert/Thomson Reuters' Canadian Legal Lexpert Directory—Leading lawyer in corporate commercial law and in energy (oil and gas) (2013-2018)

Expert Guides: The World’s Leading Experts in Energy Law—Leading Canadian lawyer (2013)



Memberships and Affiliations

  • Law Society of Alberta
  • Law Society of Upper Canada
  • Association of International Petroleum Negotiators
  • Canadian Bar Association: Natural Resource Law and International Business Law Sections