Blake, Cassels & Graydon LLP

Energy: Oil & Gas Department

Nationwide - Canada
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What the team is known for Highly regarded energy team with substantial regulatory and transactional strength. In addition to handling upstream M&A and infrastructure work, the practice has a strong midstream component. Clients include major domestic and international stakeholders in the exploration, production and midstream fields, as well as marketers and financiers. Significant expertise in the financing, structuring and regulation of cross-border M&A deals.

Strengths"They have an ability to synthesise matters and provide business solutions," enthused one commentator.

Sources say: "We're confident in their consistent, thorough advice."

Work highlights Acted for TC Energy on the sale of its equity interest in the Northern Courier Pipeline to AIMCo.

Notable practitioners


Chris Harris
operates a growing corporate practice in the oil and gas sector, acting on a wide array of M&A, as well as financing and joint ventures. Sources highlight his ability to "always see how everything fits together," adding: "He analyses impact, taking our business objectives and giving them legal reality."


Keith Byblow
advises on domestic and international mandates in the oil and gas sector, including acquisitions, strategic partnerships and joint ventures. Interviewees note: "He knows the sector and has a lot of commercial experience. He brings that perspective to our work." He heads the firm's energy practice in Calgary.


Lars Olthafer
represents clients before energy regulators, demonstrating particular strength in land law matters arising from pipeline and project development. Utilising his background in engineering, he ably advises on a wide range of regulatory mandates arising from the oil and gas sector, including environmental compliance and First Nations consultation.


Mungo Hardwicke-Brown
is noted for the depth of his industry knowledge in the energy sector, acting on major pipeline transactions and project financing mandates. He is also noted for his experience with transportation and infrastructure matters.


Ben Rogers
is widely admired for his experience acting on oil and gas transactions. He represents both offshore and domestic clients in joint ventures, mergers and dispositions. He is managing partner of the firm's Calgary office.


Terri-Lee Oleniuk
advises oil and gas sector clients on regulatory compliance, as well as on environmental and Aboriginal law. "She is very good on her feet," explained one client, adding: "She handles herself very professionally and shows great confidence and clarity."