San Martin Pipeline

From Global Energy Monitor


This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

San Martín Pipeline is a gas pipeline in Argentina.[1] It has also been referred to as the Austral Pipeline and the First Transmagallánico Gas Pipeline.


The pipeline runs from Gutierrez, Buenos Aires, Argentina to San Sebastián, Tierra del Fuego, Argentina.

Compressor stations along the pipeline's route are at Buchanan, El Chourrón, Indio Rico, Bahía Blanca, Río Colorado, General Conesa, San Antonio Oeste, Bajo del Gualicho, Dolavón, Garayalde, Manantiales Behr, Pico Truncado, Bosque Petrificado, Río Seco, San Julián, Comandante Piedrabuena, Moy Aike, Magallanes, and Cañadón Piedras.[2]

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Project Details

  • Operator: Transportadora de Gas del Sur
  • Parent company: Companía de Inversiones de Energía S.A. (55.3%), D.E. Shaw (15.2%), NYSE & Argentinian Stock Exchange (29.5%)
  • Current capacity: 388.46 million cubic feet per day (11 million cubic meters per day)
  • Length: 3,756 km / 2,333 mi
  • Status: Operating
  • Start Year: 1970


The San Martín pipeline is one of three pipelines, along with the Neuba I and Neuba II Pipelines, that comprise Argentina's TGS pipeline network. The San Martín Pipeline is the largest of the three pipelines.

TGS (Transportadora de Gas del Sur, or Gas Transporter of the South) was established on December 28, 1992 after the privatization of the Argentinian energy sector. it was part of Gas del Estado, a government regulated company divided later into Transportadora de Gas del Sur (TGS) and Transportadora de Gas del Norte (TGN).

The San Martín pipeline provides natural gas to the provinces of Tierra del Fuego, Chubut, Rio Negro, Neuquén, and Buenos Aires. It is 3,756 km (2,333 miles) long, with a pipeline diameter of 30 inches, has 16 compressor stations, a maximum pressure of 60 kg/cm2, and a maximum power of 364,800 hp.[1]

Articles and resources


  1. 1.0 1.1 "Transportadora de Gas del Sur" Wikipedia, accessed August 2018
  2. "Sistemas de Transporte de Gas Natural de la República Argentina" (PDF). Enargas. July 2020.

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