Energy & Natural Resources: Oil & Gas
Latin America Guide 2025 : Argentina
Band 1
Email address
[email protected]About
Provided by Martinez de Hoz & Rueda
MHR is a full-service law firm that combines the undisputed leadership of the best energy team in the country with prominent expertise and experience of corporate; M&A, finance, dispute resolution, tax and regulatory lawyers.
We serve clients out of our headquarters in Buenos Aires and our Patagonia office in the Province of Neuquén (i.e., the province in which the world class shale oil and gas formation known as “Vaca Muerta” is located). We are the first and only fully integrated law firm to have an office in the City of Neuquén.
MHR is the only law firm that acts as adviser to the two Chambers of the Oil Industry in Argentina.
We dominate the M&A market for energy-related projects. In the last 12 months, MHR was the only law firm in Argentina to represent clients in significant M&A deals in the three segments of the oil & gas industry (upstream, midstream and downstream), involving companies such as ExxonMobil-Qatar Petroleum; Trafigura and Pan American Energy-Axion.
In addition to having represented clients in a farm-in and farm-out deals, as well as in connection with early production facilities in unconventional hydrocarbons blocks, we advised clients in the two most important mid-stream projects involving the construction of a crude oil pipeline by YPF and a gas pipeline by TGS to exhaust production from Vaca Muerta blocks.
Chambers Review
Martinez de Hoz & Rueda's top-tier energy practice acts at the forefront of Argentina's oil and gas market. The team's outstanding transactional expertise complements its strong regulatory know-how. The department continues to lead on complex deals in the sector, including project finance and the sale and acquisition of interests in hydrocarbon concessions, particularly in relation to the Vaca Muerta formation. Its deep bench of stellar practitioners is also experienced advising on sector-related disputes concerning environmental damages and federal decrees. The firm's client roster boasts domestic and international players from the upstream and midstream sectors. Martinez de Hoz & Rueda benefits from offices in the cities of Buenos Aires and Neuquén.
Work Highlights
- Martínez de Hoz & Rueda advised Equinor on its defence against four collective actions initiated by different NGOs.
Strengths
Provided by Chambers
"Martínez de Hoz & Rueda is the best firm in Argentina specialised in oil and gas. Its team evaluates and provide assessment in any area of the energy sector."
"Martínez de Hoz & Rueda is very solid in the legal and regulatory aspects of the industry in Argentina."
"Martínez de Hoz & Rueda is the best firm in Argentina specialised in oil and gas. Its team evaluates and provide assessment in any area of the energy sector."
"Martínez de Hoz & Rueda is very solid in the legal and regulatory aspects of the industry in Argentina."
Notable Practitioners
Star individual José Martínez de Hoz Jr garners stellar praise from the market for his leading oil and gas practice in Argentina. He is seen to represent numerous major international companies as well as financial and multilateral institutions across a range of transactional, regulatory and contract matters.
"José Martínez de Hoz Jr is the best oil and gas lawyer in Argentina."
Distinguished partner Pablo Rueda enjoys a noteworthy reputation assisting clients with a variety of oil and gas mandates, including the production, distribution and marketing of hydrocarbons and sector-related regulatory advice.
"Pablo Rueda is the most recognised lawyer in Argentina in the gas regulatory framework."
Neuquén-based partner Tomás Lanardonne comes highly recommended by clients for his experience with upstream, midstream and downstream oil and gas projects.
"Tomás Lanardonne is a very serious and fully committed lawyer who has a great knowledge of the oil and gas industry in Argentina, including major precedents in most of Argentina's provinces."
Ranked Lawyers at
Martinez de Hoz & Rueda
Argentina
Members
Provided by Martinez de Hoz & Rueda
Germán Landau
Head of Department
Marcos Blanco
Milagros Lezica
Valeria Celesti
Clients
Provided by Martinez de Hoz & Rueda
Chevron
Equinor
ExxonMobil
Pan American Energy
Schlumberger Production Management
Shell
Sinopec
Total
Transportadora de Gas del Sur (TGS)
Wintershall
YPF