Sheehan Deirdre Image

Deirdre A. Sheehan


Oil & Gas and Electricity (Power) Regulation and Environmental Lawyer at Bennett Jones Calgary

T: 403.298.3090

Deirdre Sheehan's practice focuses on environmental law and matters involving the regulation of the oil and gas and electricity industries.

She advises on matters related to various regulatory agencies, including the National Energy Board, the Alberta Energy Regulator (formerly, the Energy Resources Conservation Board), the Alberta Utilities Commission, Alberta Environment, and the Canadian Environmental Assessment Agency. Deirdre has experience in various major facility approval applications including oil sands, upgraders, in situ and mining oil sands developments and electricity developments. She also regularly advises clients on all manner of First Nations and Métis issues (consultation, approvals, access and compensation) related to resource development on reserves, settlements and traditional lands.

Deirdre has extensive experience in environmental impact assessments required under provincial and federal laws and advises clients on regulatory and environmental matters involving the oil sands, pipelines, oil and gas, electricity, waste management and other energy areas.

Prior to joining Bennett Jones, Deirdre served as a law clerk to the Alberta Court of Appeal and Court of Queen's Bench.

Select Experience

  • Providing legal advice and guidance to MEG Energy Corp. as proponent of an approximately 150,000 bpd in situ oil sands development in Northeastern Alberta (Christina Lake Project – Phase), and a proposed multi-phased in situ oil sands development with a total design capacity of approximately 120,000 bpd (Surmont Project). Mandate includes advice on various Aboriginal law issues including the duty to consult; consultation strategies; the scope and extent of aboriginal rights; and the implications of Aboriginal issues in the context of regulatory approvals and environmental impact assessments.
  • Xstrata Coal in connection with its $147 million acquisition of First Coal Corporation.
  • A large oil and gas producer, in connection with advice regarding First Nations consultation in relation to energy project developments on reserve lands and traditional lands of various First Nations in Alberta and British Columbia.

Recent Publications

News & Speaking Engagements