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About Alistair

Alistair Calvert helps clients resolves disputes in the energy sector, with a focus on disputes related to oil and gas exploration. He provides advice on the management of legal risk during pre-action negotiations, managing litigation and international arbitration, mediation and other forms of alternative dispute resolution, including expert determination and early neutral evaluation.

Alistair has extensive experience acting on major energy disputes in Africa, Europe and the UK.

‘Alistair Calvert is a standout litigator’ who understands ‘the legal dimensions of a case, and the commercial and human realities of a case.’
The Legal 500 United Kingdom, 2022


Recent Notable Matters

Leading Nigerian downstream oil and gas company — Two sets of related ICC arbitrations (now consolidated) relating to the acquisition of strategic assets across several jurisdictions in West Africa, brought by the national oil and gas company of a West African state. Sums in dispute were in excess of $400 million.*

Listed oil company — defending breach of warranty claims proceedings in the Commercial Court*

Oriental Energy Resources Limited — Represented an indigenous Nigerian oil and gas exploration and production company, in English Commercial Court proceedings arising out of the well-publicized collapse of Afren Plc. Sums in dispute were in excess of $1 billion.*

Listed international oil company — high-profile ICC arbitration regarding a dispute over cost sharing within a joint venture to develop an oil field offshore Ghana*

International oil and gas company — LCIA arbitration regarding a dispute concerning termination of an O&M contract, in connection with an oil field offshore Nigeria*

* Work completed prior to Bracewell

Publications and Speeches



St. Catharine’s College, University of Cambridge,
M.A., Law

Bar Admissions

Solicitor of the Senior Courts of England and Wales
Registered to conduct proceedings before the DIFC Courts





Chambers UK
Energy & Natural Resources: Disputes, 2022 (Up and Coming, 2022)
The Legal 500 United Kingdom
Dispute Resolution – Commercial Litigation: Premium, 2022; Dispute Resolution – International Arbitration; 2022; Finance – Emerging Markets, 2022; Projects, Energy and Natural Resources – Oil & Gas, 2022