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Latin-America Guide

Energy & Natural Resources: Oil & Gas — Argentina

From the Chambers Latin America guide

Basic facts about the department
- 3 partners
- 4 other qualified lawyers

What the team is known for Much admired practice group respected within the market for its established presence in the oil and gas and power spheres. Specialises in advising clients on regulatory and tax matters, and is additionally well placed to assist with significant arbitration cases affecting operations in this sector. Team's impressive client roster includes blue-chip industry giants from Argentina and abroad.

Strengths 

"Abeledo Gottheil is competitive and offers good value for money." 

Notable practitioners  

Key partner Luis Alberto Erize has a broad energy practice, covering both oil and gas and power generation. Described by satisfied clients as a lawyer who "always looks for the theoretical foundation for his arguments," Erize also has significant experience in dispute resolution.

Pablo Pinnel routinely advises domestic and international mining clients on a comprehensive range of sector-related issues. Primarily a mining lawyer, Pinnel also has experience assisting clients with mandates in the oil and gas industry.

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From the Chambers Latin America guide

Basic facts about the department
- 4 partners
- 9 other qualified lawyers

What the team is known for Oil and gas boutique advising domestic and international clients on a wide array of complex matters. Conventional oil and gas exploration, joint ventures and M&A transactions within the industry are particular examples of the firm's key areas of expertise.  

Notable practitioners  

Pablo Javier Alliani is a renowned expert in the oil and gas sector in Argentina. Alliani's client roster includes both domestic and foreign oil and gas producers, refineries and petrochemical plants.

Alejandro Carlos D'Onofrio routinely advises domestic and international oil and gas clients on a broad variety of matters, including regulatory aspects, financing mandates and due diligence issues.

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From the Chambers Latin America guide

Basic facts about the department
- 2 partners
- 6 other qualified lawyers 

What the team is known for Full-service international firm with particular expertise in the mining and oil and gas sectors. Frequently called upon to assist prominent multinationals with major M&A transactions, and additionally able to provide advice across regulatory issues and day-to-day operational matters.

Notable practitioners  

Adolfo Durañona is an experienced energy lawyer with knowledge of the oil and gas, mining and natural resources sectors. Offers experienced advice to big name energy and natural resource companies on a wide range of corporate issues including M&A.

Roberto Grané specialises in advising oil and gas clients on regulatory issues, gas service contracts and off-shore oil activities. Grané also has experience supporting clients with legal issues regarding M&A, and is additionally noted for his expertise in the IT and entertainment sectors.

Significant clients Vale, Redpath Chilena Construcciones, Catamarca Energy, Schlumberger, Madalena Energy.

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From the Chambers Latin America guide

Basic facts about the department
- Approximately 8 lawyers 

What the team is known for Full-service firm with an established reputation for its expertise in the oil and gas industry. Practice group capitalises on its extensive experience in this sector to advise a diverse portfolio of domestic and international clients on a range of key matters within the sector, including regulatory issues and complex M&A transactions.

Notable practitioners  

Head of department Mario Jorge Orts is recognised by market sources as a "great oil and gas lawyer" who is "highly experienced." Orts maintains a strong presence in the market, advising clients on a wide array of complex energy issues.

Nicolás Dilernia concentrates his legal expertise on the acquisition of oil and natural gas assets, negotiating obligations agreements as well as purchase and sale natural gas agreements. Peers highlight his years of experience in the sector.

Jaime Sanchez de la Puente offers legal expertise on a wide variety of oil and gas-related issues. He frequently advises both domestic and international clients on their operations within the industry.

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From the Chambers Latin America guide

Basic facts about the department
- 7 partners
- 3 other qualified lawyers

What the team is known for Experienced and widely respected practice noted for significant legal expertise across the energy sector. Deep bench of skilled lawyers routinely called upon to advise on issues related to mining and power as well as oil and gas. The firm frequently assists its notable clientele with bidding processes, government privatisations, agreement drafting and many other complex issues.

Strengths 

"The quality of the firm's services is excellent in all areas."

Work highlights Acted as counsel to Southern Copper on the regulatory issues surrounding its exploration projects, the negotiation of legal and commercial agreements for new joint ventures and day-to-day issues.

Provided advice to Petróleos Sudamericanos on its concession agreement renegotiations with Río Negro and Neuquén provinces.

Notable practitioners  

Diego Parravicini is a senior associate who is highlighted by interviewees as "an asset, with a lot of knowledge on mining matters." Experienced acting as both in-house and external counsel on mining projects during their exploration and operation stages. 

José Carlos Cueva is described by market commentators as "a great lawyer," and has a broad energy practice which covers both power and oil and gas. Cueva's key areas of focus include advising on regulatory issues, energy project financing and privatisation processes.

Roberto Fortunati primarily specialises in oil and gas matters, although he is additionally experienced in the mining and corporate finance sectors. He offers particular expertise in debt restructuring and privatisation of state-owned companies.

Significant clients ENAP, Minera Don Nicolás, Petrobras, Potasio Río Colorado, EDF.

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From the Chambers Latin America guide

Basic facts about the department
- 3 partners
- 4 other qualified lawyers

What the team is known for Well-regarded practice noted for significant activity in the oil and gas field. The firm is regularly retained by a diverse roster of international clients to advise on sector-related M&A, contract biddings, regulatory compliance and a broad array of complex issues related to the oil and gas industry.

Work highlights Acted as counsel to Profertil in the client's legal challenges to government-fixed gas tariffs. 

Notable practitioners  

María Marcela González's broad legal practice includes providing legal counsel on the mining sector, on matters such as mining negotiations, concessions and government relations.

Since publication, Amalia Sáenz has left the practice.

Significant clients Brenntag, Russian National Bank Reserve, Argenta, Azabache Energy, Oiltanking Ebytem. 

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From the Chambers Latin America guide

Basic facts about the department
- Approximately 5 partners
- Approximately 5 other qualified lawyers

What the team is known for Robust group of lawyers offering legal expertise across the energy spectrum. Proven experience advising clients on complex matters in the mining and power sectors, and additionally recognised for the ability to assist with mandates related to operations in the oil and gas industry.

Strengths 

"The firm provides a highly satisfactory service in a timely and cost-effective manner." 

Work highlights Advised Petronas throughout complex negotiations with YPF for shale oil and gas development in the Vaca Muerta formation, in a deal consisting of 14 different agreements.

Notable practitioners  

Mining expert Sergio Arbeleche is described by interviewees as an "excellent lawyer with a great ability to solve problems." Sources add that "he is very experienced in the mining sector."

Sebastián Pedro Vedoya is praised by clients as "an excellent lawyer; very intelligent and practical." Vedoya advises domestic and international clients on various mining matters such as M&A deals and explorations.

Javier Rodríguez Galli is an established lawyer operating in the oil and gas sector. Leading the energy department, Rodríguez Galli has significant expertise in shale oil and gas, joint ventures negotiations, divestitures and many other related areas.

Ignacio Javier Minorini Lima's broad legal practice includes energy-related arbitration and administrative law. He also advises national and international energy companies on economic regulatory matters.

Significant clients Perez Companc, Petronas, Nabors, Halliburton, QM Equipment.

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From the Chambers Latin America guide

Basic facts about the department
- Approximately 5 qualified lawyers

What the team is known for Firmly established boutique firm regularly retained to advise on oil and gas-related topics. The firm has a solid background advising clients on matters such as M&A transactions, environmental compliance and production issues within the industry.

Notable practitioners  

Justo Norman is recognised as a highly experienced energy expert with a particular emphasis on mandates within the oil and gas sector. Additionally, Norman has experience advising clients on contentious matters within the energy sphere, covering both litigation and arbitration proceedings.

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From the Chambers Latin America guide

Basic facts about the department
- 2 partners
- 1 other qualified lawyer

What the team is known for Compact team of experienced energy lawyers specialising principally in oil and gas services. Routinely sought out to assist with a broad range of topics such as transportation of oil, environmental regulations, gas balancing agreements and many other industry issues.

Notable practitioners  

Key partner Hugo Martelli is a widely respected figure in the energy market in Argentina. Martelli guides domestic and foreign clients throughout the regulatory and operational aspects of various activities, including M&A deals between key players in the sector.

Pablo De Rosso is an experienced, multilingual lawyer who specialises in M&A transactions, joint ventures and project financing in the oil and gas sector. De Rosso is also confident handling complex regulatory matters.

Florencia Hardoy is recognised among sources as an associate who plays a key role in the team, where she principally focuses on contractual, regulatory and corporate issues for oil and gas clients. Hardoy is also knowledgeable of due diligence processes and competition law.  

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From the Chambers Latin America guide

Basic facts about the department
- 8 partners
- 25 other qualified lawyers

What the team is known for Market-leading firm with a deep bench of respected lawyers who provide a full-service energy practice. Noted for its considerable expertise across the energy spectrum, with a particularly strong presence in the mining and oil and gas sectors, as well as a strong capacity to provide legal solutions in the power area. Gas exploration, energy production and mining-related litigation are examples of the broad variety of legal services offered.

Strengths 

"This is a high-end firm which provides very commercial and meaningful advice."

"Marval provides excellent legal advice and is a very client-focused law firm. It offers innovative and cost-effective alternatives to clients."

New developments The team recently incorporated former Legal Director of Total, Arturo Pera, as of counsel.

Work highlights Advised China National Nuclear Corporation on the regulatory and contractual issues related to the USD4.71 billion construction of two hydroelectric dams. This is the biggest hydroelectric project in the country.

Advised Oroplata on a wide range of legal issues related to its multibillion-dollar gold and silver mining project. These issues include but are not limited to financing, government relations and tax issues.

Notable practitioners  

Luis Lucero focuses his distinguished legal expertise on the natural resources sector, with a particular emphasis on the mining sphere. He is praised by commentators for leading a "client-focused, innovative and solid" team that can focus on different areas of mining. Advising on a multibillion-dollar gold and silver project in Santa Cruz province is a recent highlight.

According to one client, Leonardo Gabriel Rodríguez is "a highly responsive, very practical lawyer with significant expertise." Rodríguez's broad legal practice includes advising on a wide range of mining and related finance matters.

Andrés Villarreal primarily focuses on mining M&A, in particular the purchase of mining assets in Argentina. Villarreal, an associate, is praised by clients for "responding in a very opportune manner and providing very good work."

Market sources highlight Francisco Macías for "inspiring confidence in his knowledge and ability to understand the dynamics of negotiations." Macías specialises in the oil and gas industry, advising clients on M&A, contracts and regulatory issues.

Ricardo Beller is noted for his "professionalism, availability and ability to generate alternative solutions." Beller's oil and gas practice includes advising on disputes, M&A activity and day-to-day advice on a variety of issues.

Significant clients Glencore, Goldcorp, Anglo American, Coeur Mining, Minera Santa Cruz.

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From the Chambers Latin America guide

Basic facts about the department
- 4 partners
- 8 other qualified lawyers

What the team is known for Respected practitioners with notable activity advising major international entities on a range of complex, high value oil and gas issues. Tax regulations, foreign exchange regulations and project financing structures are some of the firm's key areas of expertise.

Strengths 

"The quality of the firm's services is excellent." 

Work highlights Acted as outside counsel to YPF during its negotiations with Chevron over the conclusion of a two-stage USD140 million deal to explore shale oil and gas in the Vaca Muerta formation. This included nine exploratory wells funded by Chevron.

Notable practitioners  

According to peers, Marcelo Lamesa is viewed within the market as "a very good lawyer, who is one of the firm's assets." Lamesa's legal practice includes advising domestic and foreign oil and gas clients on exploration, production and transportation issues.

Significant clients YPF, Shell, BP Castrol, Pluspetrol, DPG.

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From the Chambers Latin America guide

Basic facts about the department
- 5 partners
- 11 other qualified lawyers

What the team is known for Highly acclaimed energy department renowned for its legal acumen in the power and oil and gas sectors. Specialised team offering expertise in a wide variety of energy issues, including gas exploration, contract renegotiations and M&A transactions in the power area. The firm places a strong emphasis on a cross-departmental approach, liaising with its litigation and corporate departments to offer domestic and foreign clients a comprehensive service.

Strengths 

"The lawyers' knowledge of the industry, and their concentration and dedication to the work, make this a very good firm."

Work highlights Acted as counsel to Dow Chemical on its negotiation and drafting of an agreement with YPF to develop and exploit shale gas in Argentina. This agreement was designed as a loan that could be converted into a participating interest. 

Notable practitioners 

Pablo Rueda's broad energy practice covers both oil and gas and electricity issues. Examples of Rueda's work include advising on transactions, energy distribution and marketing of hydrocarbons and power. Additionally well versed in providing advice on a wide variety of regulatory issues in the energy space. 

According to peers, José Martínez de Hoz Jr is deemed to be "at the top of the market for oil and gas work." He has experience of advising on a broad array of energy matters including transactions, contract negotiations and acquisitions.

Up-and-coming partner Tomás Lanardonne is described by impressed interviewees as "a great lawyer who is really prudent and profoundly knowledgeable about oil and gas."

Significant clients Apache, Pan American Energy, ExxonMobil, Petrobras, Shell.

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From the Chambers Latin America guide

Basic facts about the department
- 2 partners
- 1 other qualified lawyer

What the team is known for Boutique firm well placed to advise notable clients from the oil and gas industry on the acquisition of exploration concessions, distribution of petroleum gas, hydrocarbon royalties and many other key sector issues.

Strengths 

"We like the firm's personalised service and the level of direct communication with the senior lawyers."

Work highlights Advised Metrogas on the filing of a declarative-only procedure. This matter is connected with tariffs applicable to the volume of gas exported to Chile.

Notable practitioners  

Sebastian Raggio receives praise from clients for his "very detailed analysis, which gives us great peace of mind." Raggio specialises in administrative and petroleum law in particular.

Significant clients Metrogas, Gasco.

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Senior Statesmen

Bazan Cambré & Orts

From the Chambers Latin America guide

Head of department Mario Jorge Orts is recognised by market sources as a "great oil and gas lawyer" who is "highly experienced." Orts maintains a strong presence in the market, advising clients on a wide array of complex energy issues.

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Star Individuals

Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (h)

From the Chambers Latin America guide

According to peers, José Martínez de Hoz Jr is deemed to be "at the top of the market for oil and gas work." He has experience of advising on a broad array of energy matters including transactions, contract negotiations and acquisitions.

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Band 1

Alliani & Bruzzon

From the Chambers Latin America guide

Pablo Javier Alliani is a renowned expert in the oil and gas sector in Argentina. Alliani's client roster includes both domestic and foreign oil and gas producers, refineries and petrochemical plants.

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Band 1

Marval, O'Farrell & Mairal

From the Chambers Latin America guide

Market sources highlight Francisco Macías for "inspiring confidence in his knowledge and ability to understand the dynamics of negotiations." Macías specialises in the oil and gas industry, advising clients on M&A, contracts and regulatory issues.

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Band 2

Abeledo Gottheil Abogados

From the Chambers Latin America guide

Key partner Luis Alberto Erize has a broad energy practice, covering both oil and gas and power generation. Described by satisfied clients as a lawyer who "always looks for the theoretical foundation for his arguments," Erize also has significant experience in dispute resolution.

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Band 2

Martelli Abogados

From the Chambers Latin America guide

Key partner Hugo Martelli is a widely respected figure in the energy market in Argentina. Martelli guides domestic and foreign clients throughout the regulatory and operational aspects of various activities, including M&A deals between key players in the sector.

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Band 2

Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (h)

From the Chambers Latin America guide

Pablo Rueda's broad energy practice covers both oil and gas and electricity issues. Examples of Rueda's work include advising on transactions, energy distribution and marketing of hydrocarbons and power. Additionally well versed in providing advice on a wide variety of regulatory issues in the energy space. 

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Band 3

Marval, O'Farrell & Mairal

From the Chambers Latin America guide

Ricardo Beller is noted for his "professionalism, availability and ability to generate alternative solutions." Beller's oil and gas practice includes advising on disputes, M&A activity and day-to-day advice on a variety of issues.

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Band 3

Martelli Abogados

From the Chambers Latin America guide

Pablo De Rosso is an experienced, multilingual lawyer who specialises in M&A transactions, joint ventures and project financing in the oil and gas sector. De Rosso is also confident handling complex regulatory matters.

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Band 3

Bazan Cambré & Orts

From the Chambers Latin America guide

Nicolás Dilernia concentrates his legal expertise on the acquisition of oil and natural gas assets, negotiating obligations agreements as well as purchase and sale natural gas agreements. Peers highlight his years of experience in the sector.

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Band 3

Baker McKenzie

From the Chambers Latin America guide

Adolfo Durañona is an experienced energy lawyer with knowledge of the oil and gas, mining and natural resources sectors. Offers experienced advice to big name energy and natural resource companies on a wide range of corporate issues including M&A.

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Band 3

Baker McKenzie

From the Chambers Latin America guide

Roberto Grané specialises in advising oil and gas clients on regulatory issues, gas service contracts and off-shore oil activities. Grané also has experience supporting clients with legal issues regarding M&A, and is additionally noted for his expertise in the IT and entertainment sectors.

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Band 3

Nicholson y Cano Abogados

From the Chambers Latin America guide

According to peers, Marcelo Lamesa is viewed within the market as "a very good lawyer, who is one of the firm's assets." Lamesa's legal practice includes advising domestic and foreign oil and gas clients on exploration, production and transportation issues.

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Band 3

Maciel Norman & Asociados

From the Chambers Latin America guide

Justo Norman is recognised as a highly experienced energy expert with a particular emphasis on mandates within the oil and gas sector. Additionally, Norman has experience advising clients on contentious matters within the energy sphere, covering both litigation and arbitration proceedings.

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Band 3

Bruchou, Fernández Madero & Lombardi

From the Chambers Latin America guide

Javier Rodríguez Galli is an established lawyer operating in the oil and gas sector. Leading the energy department, Rodríguez Galli has significant expertise in shale oil and gas, joint ventures negotiations, divestitures and many other related areas.

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Band 3

Zang, Bergel y Viñes Abogados

From the Chambers Latin America guide

Observers regard partner Amalia Sáenz of Zang, Bergel y Viñes Abogados as "a very qualified oil and gas lawyer." Saenz advises domestic and international investors on such matters as offshore explorations, environmental issues and M&A transactions.

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Band 4

Estudio Beccar Varela

From the Chambers Latin America guide

José Carlos Cueva is described by market commentators as "a great lawyer," and has a broad energy practice which covers both power and oil and gas. Cueva's key areas of focus include advising on regulatory issues, energy project financing and privatisation processes.

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Band 4

Alliani & Bruzzon

From the Chambers Latin America guide

Alejandro Carlos D'Onofrio routinely advises domestic and international oil and gas clients on a broad variety of matters, including regulatory aspects, financing mandates and due diligence issues.

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Band 4

Estudio Beccar Varela

From the Chambers Latin America guide

Roberto Fortunati primarily specialises in oil and gas matters, although he is additionally experienced in the mining and corporate finance sectors. He offers particular expertise in debt restructuring and privatisation of state-owned companies.

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Band 4

Estudio O'Farrell

From the Chambers Latin America guide

Uriel O'Farrell's energy expertise includes advising on both upstream and downstream issues in the oil and gas industry, as well as electricity generation, transportation and commercialisation. O'Farrell is described by peers as "an excellent lawyer" with "a lot of experience in power."

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Band 4

Bazan Cambré & Orts

From the Chambers Latin America guide

Jaime Sanchez de la Puente offers legal expertise on a wide variety of oil and gas-related issues. He frequently advises both domestic and international clients on their operations within the industry.

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Up and Coming

Pérez Alati, Grondona, Benites, Arntsen & Martínez de Hoz (h)

From the Chambers Latin America guide

Up-and-coming partner Tomás Lanardonne is described by impressed interviewees as "a great lawyer who is really prudent and profoundly knowledgeable about oil and gas."

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Up and Coming

Raggio & García Mira

From the Chambers Latin America guide

Sebastian Raggio receives praise from clients for his "very detailed analysis, which gives us great peace of mind." Raggio specialises in administrative and petroleum law in particular.

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Associates to watch

Martelli Abogados

From the Chambers Latin America guide

Florencia Hardoy is recognised among sources as an associate who plays a key role in the team, where she principally focuses on contractual, regulatory and corporate issues for oil and gas clients. Hardoy is also knowledgeable of due diligence processes and competition law.  

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