O’Farrell

O’Farrell

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Global

Energy and Natural Resources: Oil & Gas

Agustín Siboldi

Agustín Siboldi

Agustín Siboldi, Partner of the Public Law and Economic Regulation Area, specializes in Antitrust, Energy and Natural Resources, and Telecommunications. His practice focuses on the following areas in relation to economic regulation: antitrust, including economic concentrations and investigations in anticompetitive practices; telecommunications; exploration, concession, exploitation and transport of hydrocarbons; generation, transmission, distribution and commercialization of electricity; transport, distribution and commercialization of gas; commercialization of medicines; among other heavily regulated industries.
Uriel F. O'Farrell

Uriel F. O'Farrell

Uriel Federico O’Farrell, Honorary Partner of O’Farrell, is specialized in corporate law, mergers & acquisitions, and energy (transactions, regulation and litigation). Extensive experience across the energy value chain, including power generation, electricity transmission and distribution, oil & gas exploration and production, natural gas transportation and distribution, infrastructure projects and energy-related M&A transactions. He regularly advises sponsors, investors, utilities and multinational energy companies on regulatory matters, project structuring, financing, disputes and strategic transactions.
Ana Belén Micciarelli

Ana Belén Micciarelli

Ana Belen Micciarelli is a Partner in the Public and Administrative Law area. She joined the firm in 2015. Ms. Micciarelli’s practice focuses on assisting clients operating in highly regulated markets -including energy, gas, mining, hydrocarbons, telecommunications and personal data-, as well as advising on public procurement (goods, services and public works), both in federal, provincial and municipal jurisdictions. She stands out for her experience in public and private infrastructure works and in sustainability matters.

Deals

  • O’FARRELL advises Naturgy in a dispute arising from gas supply agreements amid sharp local currency depreciation, the suspension of tariff pass-through, and related regulatory measures (Decree 1053/18).
  • We prepared a preliminary report for BTG Pactual on the operation of Argentina’s gas market. The report explains the federal regulatory framework governing gas transportation and distribution, maps the main market participants, and details the mechanisms to challenge/appeal decisions issued by the sector regulator.
  • We advised ENI on its LNG project promoted jointly with YPF S.A., aimed at exporting Vaca Muerta gas through two floating liquefaction units with an initial capacity of 2 million tons per year.

Team Services

O’Farrell’s Oil & Gas practice advises clients across the upstream, midstream, LNG, natural gas transportation and regulated-distribution segments. Its recent mandates demonstrate particular experience in projects and disputes arising from Argentina’s transition towards an export-oriented hydrocarbons market, combining sector regulation with public law, contracts, infrastructure, competition and transactional advice.
Agustín Siboldi leads the practice’s regulatory and strategic work; Ana Belén Micciarelli contributes public-law, procurement and administrative-procedure expertise; Jorge Muratorio advises on regulatory disputes and public contracting; and Uriel O’Farrell contributes transactional and M&A experience. María Fortuna supports the team on regulatory analysis, environmental procedures, contracts and litigation.

Client testimonials

Legal 500

"I have worked with Agustín Siboldi on several occasions, and I believe his main differentiator is the combination of a very deep understanding of economic regulation with the ability to apply it practically across various regulated sectors. He has a broad perspective that allows him to quickly identify relevant regulatory aspects and anticipate risks that other lawyers might overlook."

Legal Ranking

"O'Farrell has a team of specialists who demonstrate excellent knowledge and timely communication. ​‌They are great to work with."