BLG’s Oil and Gas Group acts for many prominent energy companies, high-profile boards and directors, financial advisory firms and for individuals and companies involved in complex, large-value cases. Our leading performance in this area has positioned us to represent clients in a full range of applications and proceedings before all levels of courts, agencies and boards, and administrative tribunals.

Our Group practices both litigation and regulatory work, which enables us to represent our clients in complex disputes involving both court and administrative proceedings. We act for clients in facilities applications for gas, sour gas, oil and natural gas liquids (NGL), pipelines, gas processing plants, oil sands plants, co-generation facilities, electric transmission infrastructure, and petrochemical plants. We also regularly advise with respect to gas removal and gas export licensing applications for producers and gas aggregators in all aspects of the sector — upstream, midstream, downstream and liquefied natural gas (LNG). With extensive and multi-disciplinary oil and gas industry experience, we provide our clients with an efficient "onestop" for all manner of their legal needs.

Our leading team comprises lawyers with a reputation of excellence among their peers and highly ranked in their areas of law. They bring a rare depth of knowledge, coupled with a business-driven approach to the delivery of legal services. BLG’s clients benefit from working with a legal team that comprehensively understands their industry, business and goals.



Recent Client Bulletins

Representative Work

For the past decade, BLG has been at the forefront of the most significant oil and gas developments that present unique business, regulatory and legal challenges. Our notable experience includes:

Corporate / Commercial

  • The Government of Canada in its $4.5 billion acquisition of the Trans Mountain and Puget Sound Pipelines, and related terminals.
  • LNG Canada Development Inc. on the operation of the proposed LNG Export Terminal in Kitimat in its capacity as operator of the LNG Canada Project joint venture.
  • Petronas and Pacific Northwest in respect of its $27 billion LNG project located near Prince Rupert, including advising on a host of marine-related issues in respect of the proposed LNG terminal facility.
  • HollyFrontier Corporation in a transaction to acquire Suncor Enery’s Petro-Canada Lubricants business for $1.125 billion.
  • Kelt Exploration Ltd. on the completion of a disposition of Karr area oil and gas assets for gross proceeds of $100 million.
  • Ikkuma Resources on entering into an Arrangement Agreement providing for the acquisition of all of Ikkuma Resources Corp.’s issued and outstanding common shares by Pieridae Energy Limited.
  • Donnycreek Energy Inc. in the sale of assets to a new company and a return of capital to Donnybrook shareholders.
  • Kogas Canada LNG Ltd. in the sale of a 10% Participating Interest in the LNG Canada Project joint venture to an affiliate of Petronas, along with concurrent sales of participating interests by Shell and PetroChina.
  • Kogas Canada LNG Ltd. since 2012 as proponent of LNG Canada and as an anchor shipper in the development of TransCanada’s Coastal Gas Link Pipeline in British Columbia.
  • Laricina Energy Ltd. in its $96 million acquisition by CNRL.
  • Cuda Energy Inc. in its business combination with Junex Inc. and the acquisition of Wyoming Powder River Basin Assets.
  • Birchcliff Energy Ltd. in its bought-deal financing through a syndicate of underwriters, issuing 107,520,000 subscription receipts at a price of $6.25 per Subscription Receipt for gross proceeds of $672 million.
  • Nexen Energy ULC (a subsidiary of CNOOC Limited) on ongoing matters, including the Aurora LNG project.

Corporate Litigation

  • Weatherford International PLC and Weatherford Canada Ltd. in relation to a large intellectual property claim.
  • PrairieSky Royalty Ltd. in defending a claim by Toyota Tsusho Wheatland Inc. (“TTWI”) against PrairieSky and Encana.
  • Devon Canada Corporation on Oil Sands Project Dispute, Pipeline Dispute, Contractual Dispute.
  • Sinopec and its affiliates in negligence, gas processing, and contractual disputes.
  • One of Canada’s largest oil and gas E&P companies in what is essentially the last remaining split title ownership dispute in the Canadian energy industry, the ownership of coal bed methane (CBM).
  • One of Canada’s largest oil and gas E&P companies, and a number of other oil and gas companies, in defending against actions taken by the largest non-Crown lessor of oil & gas rights in Alberta, to terminate multiple petroleum & natural gas (PNG) leases throughout central Alberta through service of hundreds of notices to caveator to take proceedings on caveat.
  • An E&P company in environmental contamination claims involving contamination and stigma / financing claims related to: rural / residential claims arising from well site operations; abandoned and operating well sites and pipelines; and commercial properties arising from heritage service station or bulk fuel storage facilities.
  • PNW and Pacific Northwest LNG Ltd. in defence of the action commenced by Lax Kw’alaams First Nation seeking declaratory and injunctive relief against the Attorney General of Canada, the Province of British Columbia, the Prince Rupert Port Authority, Pacific Northwest LNG Ltd. and PNW.
  • ConocoPhillips concerning a dispute over whether certain abandoned wells in the Arctic were transferred as the result of a purchase and sale agreement that was entered into a number of decades ago.
  • Husky Oil Operations in connection with a $23 million claim considering whether a joint operating agreement involving both has terminated, and whether the dedication of certain natural gas reserves to that agreement terminates.
  • Devon Canada in defending a claim exceeding $10 million related to a pipeline release on a pipeline Devon was contracted to operate.
  • Spectra Energy Transmission in its $228 million claim for negligent supply of service, materials and project delay, related to the construction of a $1 billion gas processing plant in northern British Columbia


  • BP Canada Energy Group ULC on a range of commercial compliance litigation and regulatory matters.
  • ConocoPhillips Canada Resources Corp. and affiliates on various matters relating to Environmental Liability, Operational Dispute, ROFR Dispute, AER Approval, Alleged Freehold Lease Termination, Offset Well Claims.
  • Kinder Morgan Canada Company before the National Energy Board to successfully reinstate the Windsor-Sarnia portion of the Cochin Pipeline system.
  • An Alberta natural gas transmission company in the Alberta Energy Regulator initiated public inquiry into a number of matters dealing with the ownership and extraction of NGLs in the province.
  • Repsol Energy Canada Ltd. in federal regulatory proceedings related to the approval of Energy East, a $15.7 billion, 4,500-kilometre pipeline proposed to carry 1.1 million barrels of crude oil per day from Alberta and Saskatchewan to refineries in Eastern Canada.
  • An international oil and gas company on all aspects of a successful oil facilities development, including regulatory approvals from the Alberta Energy Regulator. The project related to drilling over a 20 year period with a 40 year reserve life and involved a pilot application under a new and untested regulatory framework.
  • Rover Pipeline LLC in a significant NEB proceeding.
  • Canadian Energy Pipeline Association on the British Columbia Court of Appeal pipeline constitutional reference.

Rankings & Recognitions

BLG’s Oil & Gas Group and its members are recognized in:

  • The 2019 edition of Chambers Canada — Canada's Leading Lawyers for Business.
  • The 2019 edition of The Best Lawyers in Canada®.
  • The 2019 edition of The Legal 500 Canada.
  • The 2018 edition of Chambers Global – The World's Leading Lawyers for Business.
  • The 2018 edition of the Canadian Legal Lexpert® Directory.
  • The 2018 edition of Benchmark Canada - Canada's Leading Litigation Law Firms and Attorneys
  • The 2018 edition of the Lexpert/ROB Special Edition on Energy
  • The 2018 edition of the Lexpert/ROB Special Edition on Litigation