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Sonagas is Equatorial Guinea's national natural-gas company, participating in the country's gas, liquefied petroleum gas, liquefied natural gas, and methanol industries.

Last updated August 26, 2026

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Overview

Sonagas, formally Sociedad Nacional de Gas de Guinea Ecuatorial, is the national natural-gas company of Equatorial Guinea. It was formed in 2005 as part of the country's effort to organize state participation in the development and commercialization of its natural-gas resources. The company operates alongside GEPetrol, Equatorial Guinea's principal petroleum company, and EG LNG, the country's liquefied natural gas company, within the state-linked structure used to manage the country's hydrocarbon sector. Sonagas's role extends beyond a narrow upstream gas mandate. It participates in processing and downstream-oriented infrastructure associated with the gas resources of Bioko Island and the Punta Europa industrial complex. The company's interests include a 10% ownership stake in the Atlantic Methanol Production Company, or AMPCO, which operates the Bioko Methanol Plant. AMPCO is described as a joint venture involving Marathon Oil and the Samadan Oil subsidiary of Noble Energy. The methanol plant has reported production capacity of approximately 19,000 barrels, or about 3,000 cubic metres, per day. Sonagas also participates in the Punta Europa liquefied petroleum gas facility. The facility is operated by Marathon, Samadan, and Sonagas and has reported production of approximately 20,000 barrels, or about 3,200 cubic metres, of liquefied petroleum gas per day. These interests give Sonagas a role in converting associated and natural gas resources into exportable and industrial products rather than limiting the company to raw-gas administration. The Equatorial Guinea Liquefied Natural Gas plant, commonly known as EG LNG, began production in 2007. Sonagas operates in conjunction with EG LNG and other national energy entities in the management of Equatorial Guinea's fossil-fuel resources. The available reference material does not establish Sonagas's full corporate structure, financial performance, workforce, international sales footprint, or current website. It also provides limited information about the company's activities beyond the named national projects and its participation in AMPCO and the Punta Europa LPG facility. The company is identified in the available reference material as a national energy enterprise rather than a consumer-facing product brand. Its public identity is therefore closely tied to Equatorial Guinea's state energy policy, gas monetization strategy, and hydrocarbon infrastructure. The listed company officers are Director General Juan Antonio Ndong Ondo and Assistant Director General Serapio Sima Ntutumu.

History

Sonagas was formed in 2005 as Equatorial Guinea's national natural-gas company. Its creation reflected the country's effort to establish state institutions for the administration and commercialization of hydrocarbon resources. The company operates within a broader national energy framework that includes GEPetrol, the principal petroleum company, and EG LNG, the national liquefied natural gas company. Rather than functioning solely as an upstream exploration company, Sonagas participates in infrastructure that processes gas into commercial fuels and industrial feedstocks. One of its principal interests is a 10% stake in the Atlantic Methanol Production Company, or AMPCO. AMPCO operates the Bioko Methanol Plant and is described as a joint venture involving Marathon Oil and the Samadan Oil subsidiary of Noble Energy. The plant produces approximately 19,000 barrels, equivalent to around 3,000 cubic metres, of methanol per day. Sonagas is also associated with the Punta Europa liquefied petroleum gas facility. The facility is operated by Marathon, Samadan, and Sonagas and produces approximately 20,000 barrels, or around 3,200 cubic metres, of LPG per day. Through these interests, Sonagas has a role in the conversion of natural-gas resources into methanol and LPG, in addition to its national gas-sector responsibilities. The Equatorial Guinea Liquefied Natural Gas plant began production in 2007. Its development added LNG processing to the country's hydrocarbon infrastructure and reinforced the importance of coordination among Sonagas, EG LNG, GEPetrol, and private-sector operating partners. The available reference material does not provide a detailed chronology of ownership changes, expansions, financial results, export destinations, or changes in production levels. The company is therefore best understood as a state energy enterprise whose activities are concentrated in Equatorial Guinea's gas value chain. Publicly available information identifies its participation in national gas management and selected processing facilities, but does not establish a comprehensive account of its corporate governance, commercial contracts, or operations outside the projects named above. The listed officers are Director General Juan Antonio Ndong Ondo and Assistant Director General Serapio Sima Ntutumu.

  • 2007

    EG LNG began production

    [1]

    The Equatorial Guinea Liquefied Natural Gas plant began production as part of the country's gas-processing infrastructure.

  • 2005

    Sonagas established

    [1]

    Sociedad Nacional de Gas de Guinea Ecuatorial was formed as Equatorial Guinea's national natural-gas company.

Products and positioning

Equatorial Guinea's state-linked national gas company, focused on managing gas resources and participating in gas-processing, methanol, LPG, and LNG infrastructure.

  • Natural gas · 2005

    Natural gas

    Natural gas is Sonagas's core sector and the resource base for its national mandate. The company works with Equatorial Guinea's other state-linked energy companies to manage the country's fossil-fuel resources and to support their processing into LNG, LPG, methanol, and related commercial products.

  • Gas processing · 2007

    Liquefied natural gas

    Liquefied natural gas is produced through the Equatorial Guinea LNG plant, which began production in 2007. Sonagas operates in conjunction with EG LNG and other national energy entities in the management of the country's LNG resources and infrastructure.

  • Industrial chemicals

    Methanol

    Sonagas owns 10% of the Atlantic Methanol Production Company, which operates the Bioko Methanol Plant. The plant is associated with Marathon Oil and the Samadan Oil subsidiary of Noble Energy and has reported production of approximately 19,000 barrels, or about 3,000 cubic metres, per day.

  • Gas processing

    Liquefied petroleum gas

    Sonagas participates in the Punta Europa liquefied petroleum gas facility, which is operated with Marathon and Samadan. The facility has reported production of approximately 20,000 barrels, or about 3,200 cubic metres, of LPG per day.

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