Simon Tysoe is a partner in the Corporate Department of the London office, and served as former Co-Chair of the firm’s Oil & Gas Industry Group. Mr. Tysoe specializes in transactions in the energy sector, and has extensive experience advising clients on a range of cross-border energy and natural resources transactions including upstream, mid-stream, and downstream oil and gas M&A, joint ventures, restructuring, and project development. 

  • Mergers & Acquisitions 
  • Oil & Gas Transactions
  • Project Development & Finance
  • Africa Practice
  • Latin America Practice

Mr. Tysoe's representative matters include advising: 

  • TotalEnergies on its acquisition of CEPSA's upstream assets in Abu Dhabi
  • TotalEnergies on the US$330 million sale of its German subsidiaries interests in Kazakhstan's Dunga oil and gas field to Oriental Sunrise Corp Ltd
  • SierraCol Energy (a Carlyle portfolio company) on its US$825 million acquisition of Occidental’s (Oxy) entire onshore oil and gas portfolio in Colombia 
  • EIG on its US$19 billion joint venture with Repsol Upstream, a newly-formed global oil and gas exploration and production company
  • TotalEnergies on its sale of TEPKRI Sarsang, a Denmark-based oil and gas exploration and production company, to ShaMaran Petroleum
  • ExxonMobil Corporation on its sale of its entire upstream and midstream asset portfolio in Chad and Cameroon to Savannah Energy plc
  • Navitas Petroleum on its acquisition of a 65% stake in the Sea Lion project, an oil field located offshore of the Falkland Islands, via the acquisition of Premier Oil Exploration and Production and participating interests in the field from Rockhopper Exploration
  • Ara Partners on its investment in its partnership to create CycleØ Group, a UK-based biomethane platform, through the acquisition of FNX Liquid Natural Gas, a Spain-based company specializing in biogas capture and conversion via both compression and liquefaction technologies for vehicular and industrial applications
  • Carlyle International Energy Partners in connection with its acquisition of Mazarine Energy BV    
  • Uniper Exploration & Production in the sale of a 25% stake in the Yuzhno-Russkoye gas field to OMV
  • Apical Group on the acquisition of a 67.65% stake in Bio-Oils Energy
  • Bomin Linde LNG in its joint venture with SGD logistika to form Blue Gas
  • Buckeye Partners in the acquisition of a 50% stake in VTTI
  • Chevron on the US$900 million sale of its refinery and fuels network in South Africa and Botswana to Sinopec
  • Carlyle International Energy Partners in the acquisition of Shell Upstream Gabon and a 75% stake in Shell Gabon, by portfolio company Assala Energy Holdings
  • Helios Investment Partners on the US$461.3 million acquisition of a 60% stake in the West African downstream business of Oando
  • Helios Investment Partners on its acquisition with Vitol of a majority stake in the West African downstream business of Oando Plc and the formation of OVH Energy
  • EQUATE Petrochemicals Company on its US$3.2 billion acquisition of MEGlobal International

Bar Qualification

  • England and Wales (Solicitor)


  • LPC, Guildford College, 2000
  • BA Modern History, University of Oxford, Lincoln College, 1998

Languages Spoken

  • English