Anna Nerush


Anna Nerush is a corporate energy lawyer focusing on the oil and gas and renewables sectors. Anna advises clients on a wide range of corporate matters, including cross border M&A and joint ventures across multiple sectors including the upstream, midstream, and downstream oil and gas value chain, with projects ranging from unconventional resources to offshore developments, LNG, and refining. She also focuses on the renewables industry with specific experience in solar, wind, and biomass projects.

In addition to acquisitions and divestments in the oil and gas sector, Anna advises clients on onshore and offshore E&P projects, including country entry and related negotiations of subsoil use contracts with host governments, JV structuring and operational matters including JOAs, FDPs, GSAs, farm-ins/farm-outs, crude/gas marketing and offtake agreements, and related issues.

Anna has significant experience of advising on M&A in the renewables sector and negotiating project documentation such as EPC contracts, O&M and A&M agreements, and PPAs as well as development financing of greenfield projects. 

Professional and Community Activities

  • Law Society of England & Wales
  • Association of International Petroleum Negotiators (AIPN)

Professional Recognition

  • Anna is recommended as a lawyer “of note” in the oil and gas section of the 2021 UK edition of The Legal 500, Legalease, the international directory of law firms.
  • Listed as a Euromoney Rising Star in Energy and Natural Resources, Euromoney Institutional Investor PLC, 2018
Oil and Gas

Anna Nerush Writes Practice Note: International Joint Ventures: Oil and Gas

Haynes and Boone Partner Anna Nerush authored a practice note titled “International Joint Ventures: Oil and Gas.” This note examines joint venture structures commonly used in international oil and gas upstream exploration and production operations, focusing on the contractual framework and underlying key terms governing the relationship between the joint venture partners.

Selected Client Representations

Oil and Gas

  • Represented a private equity backed vehicle on multi block UKCS oil and gas developments.
  • Represented an IOC on an acquisition of a portfolio of producing assets offshore Norway.
  • Represented a European oil and gas major on offshore Arctic joint venture with a Russian major.
  • Represented the operator on offtake and marketing arrangements of crude and gas condensate with the Government of Kazakhstan.
  • Represented the purchaser on long term gas sale and supply negotiations.
  • Represented an IOC on joint venture, farm-out and JOA negotiations in connection with interests offshore Brazil.
  • Represented an IOC sponsor party on all aspects of upstream, midstream and downstream development in connection with gas fields offshore Tanzania and proposed construction of LNG facilities.
  • Represented an IOC on operational aspects in connection with a producing block in Kurdistan Region of Iraq and related issues arising vis-à-vis the Government and partners under the PSC, JOA and FDP.
  • Represented an IOC on US$2.65bn acquisition of UKCS and Norwegian CS petroleum interests from a European oil and gas major.
  • Represented a Russian oil and gas major on farm-in and JOA negotiations across three block in Kurdistan Region of Iraq.
  • Represented a U.S. oil field services provider on a disposal of its business in Russia.
  • Represented national oil company NC KazmunaiGas on the joint venture with CNPC and subsequent acquisition of producing upstream assets and downstream asset located in Kazakhstan.
  • Represented an IOC in renegotiation of an existing production sharing contract and gas marketing arrangements with the Government of Kurdistan Region of Iraq.


  • Represented an oil and gas major on acquisition of a shareholding in an international entity developing, managing and operating international large scale solar projects.
  • Represented a private equity fund on investment in 158 MW wind farm in Serbia and related commercial arrangements including PPAs, O&Ms and development finance.
  • Represented a U.S. investment vehicle on proposed acquisition, development, management and operation of multi-jurisdictional wind and solar assets.
  • Represented a private equity fund on joint venture establishment and development financing of greenfield biomass project.
  • Represented a private equity fund on investment in 200 MW solar power project in Jordan and related commercial arrangements including PPAs and O&Ms.

Selected Publications and Speeches

  • “Brexit Risk to Irish Gas Supply,” author, EurOil, September 2017.
  • “Unconventional Gas – Developments in the UK,” author, Euromoney, June 2015.
  • "Invest in Kazakhstan 2015 Guide," co-author, produced on behalf of the Government of Kazakhstan, April 2015.
  • “U.S. and EU Sanctions Impacting Russian Energy Market,” author, Lawyer Monthly, September 2014.
  • “Can Fracking Revolutionise the UK Energy Market?” author, Lawyer Monthly, June 2014.
  • “Europe Mulls Options for Ensuring Energy Security and Diversification,” author, EurOil, May 2014.

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