Sonatrach
Algeria’s state-owned integrated oil and gas company and one of Africa’s largest energy businesses.
Last updated October 14, 2026
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Overview
Sonatrach is Algeria’s national, state-owned oil and gas company. Founded on 31 December 1963, it was created to give the Algerian state a direct role in the exploration, production and commercialization of hydrocarbons after independence. The company has since developed into an integrated energy group spanning upstream exploration and production, gathering and processing, pipeline transportation, liquefied natural gas, liquefied petroleum gas, refining, petrochemicals, marketing and selected renewable-energy and desalination activities. The company’s domestic importance is unusually high. Sonatrach operates across much of Algeria’s hydrocarbon value chain and is a principal instrument of the state’s energy, industrial and foreign-trade policy. Its portfolio includes major oil and gas fields such as Hassi Messaoud and Hassi R’Mel, extensive crude-oil, condensate, LPG and natural-gas pipeline systems, export terminals and refining assets. Naftal, acquired by Sonatrach in 1998, is the principal domestic distributor of petroleum products, while other subsidiaries and joint ventures support engineering, transportation, aviation, petrochemicals and international investment. Natural gas is central to the group’s international role. Sonatrach supplies Algerian gas to domestic customers and exports pipeline gas and LNG, particularly to European and Mediterranean markets. Its relationships with Eni, TotalEnergies, Naturgy, BP, ExxonMobil, Sinopec, Petrofac, Baker Hughes and other partners have supported field development, infrastructure expansion and technical cooperation. The company has interests or historical activities in several foreign jurisdictions, including Libya, Mauritania, Peru, Yemen and Venezuela, although its strategic center remains Algeria. Sonatrach’s history has been shaped by nationalization, changing petroleum legislation and the continuing effort to balance state control with international investment. In 1971, Algeria nationalized most French oil and gas interests and transferred majority control of the sector to the Algerian state. Later reforms permitted foreign companies to participate through partnerships with Sonatrach, while subsequent amendments preserved the company’s strong participation rights and introduced additional fiscal conditions for international operators. The group has also pursued diversification. Projects have included petrochemical production, refinery modernization, LNG storage, solar power for remote oil operations, low-carbon hydrogen and syngas studies, and potential electricity links with Europe. In the early 2020s, higher European gas demand and supply disruptions associated with Russia’s invasion of Ukraine increased attention on Algeria’s export capacity. Sonatrach discussed additional supply possibilities, reviewed selected contract prices and expanded cooperation with European partners, while acknowledging that existing pipeline commitments and infrastructure limited the speed at which exports could grow. Sonatrach is commonly described as Africa’s largest company by scale and as a major African oil and gas company. Its size, state ownership and control of strategic infrastructure make it both a commercial enterprise and a central institution of Algeria’s economy. Publicly available descriptions vary by year and methodology regarding production, employment and ranking, so operational figures should be interpreted in their stated time context.
History
Sonatrach was established on 31 December 1963, shortly after Algeria’s independence, as a state vehicle for building national capabilities in the hydrocarbon sector. At its creation, the Algerian state controlled only a small share of exploration areas, while French interests retained a dominant position. Sonatrach initially developed administrative and technical capabilities and gradually expanded into transportation, processing and marketing. After the 1967 Arab-Israeli War, Algeria moved to nationalize refining and distribution activities operated by Mobil and Esso. In 1968 Sonatrach reached an agreement with Getty Oil that gave it a 51% interest in Getty’s Algerian interests. The decisive turning point came in February 1971, when President Houari Boumedienne’s government nationalized French oil and gas holdings. The concession structure was replaced by majority state participation, and most foreign companies departed, although Total continued operating in Algeria. During the late 1970s and early 1980s, the government reassessed how petroleum resources should be developed. A 1979 conference recommended greater participation by foreign companies and countries in research and exploration. A 1980 decree reorganized Sonatrach into four enterprises, reflecting an effort to structure the group’s expanding technical and commercial functions. In the late 1980s, the company also negotiated important gas arrangements with Gaz de France, including a revised price framework and recovery of earlier arrears. From 1986, foreign hydrocarbon companies could operate in Algeria through partnerships with Sonatrach. The process was simplified in 1991, but the state company remained the central partner and operator. A 2005 hydrocarbons reform sought to encourage international investment. Amendments adopted in 2006 subsequently introduced a windfall tax on certain international-company profits when oil prices exceeded a specified threshold and preserved Sonatrach’s option to take at least a 51% share in newly discovered projects. These changes illustrated the recurring policy balance between attracting external capital and maintaining national control. Sonatrach expanded downstream and domestic distribution through the acquisition of Naftal in 1998. Its refining subsidiary Naftec operated Algeria’s principal refineries, while pipeline and transportation units connected producing regions with domestic markets and export terminals. The group also formed or maintained international joint ventures, including aviation company Tassili Airlines with Air Algérie and energy partnerships in neighboring and overseas markets. In the 2010s and early 2020s, Sonatrach concentrated on maintaining production, developing mature fields, improving processing capacity and strengthening its position in European gas markets. It worked with Naturgy on Spanish supply and the Medgaz pipeline, with Eni on Algerian and Italian gas projects, and with TotalEnergies on multiple upstream and LNG initiatives. New discoveries and field-development programs were announced in the Berkine, Adrar, Hassi R’Mel, Tinrhert and Timimoun areas. The European energy crisis following Russia’s 2022 invasion of Ukraine increased the strategic visibility of Algerian gas. Sonatrach indicated that it could use available capacity in the TransMed system to supply additional European gas, but later emphasized that contractual commitments and infrastructure constraints limited its ability to replace Russian volumes broadly. The company nevertheless pursued higher output, additional Italian deliveries, contract reviews and investments in gas processing and storage. Sonatrach has increasingly presented itself as an energy-transition participant as well as a conventional oil and gas producer. Its initiatives include solar generation for remote facilities, low-carbon hydrogen and syngas studies, renewable-energy cooperation with international partners and possible electricity links across the Mediterranean. Despite these initiatives, hydrocarbons remain the group’s defining business and the foundation of Algeria’s export economy.
- 2024
ExxonMobil resource study agreed
[1]Sonatrach and ExxonMobil signed an agreement to study hydrocarbon opportunities in the Ahnet and Gourara basins.
- 2023
Italian gas cooperation expanded
[1]Sonatrach and Eni pursued higher TransMed deliveries and broader cooperation involving gas, electricity and potential hydrogen infrastructure.
- 2022
Skikda LNG storage investment
[1]Sonatrach contracted Sinopec to build a large LNG storage tank at Skikda.
- 2021
Export revenue recovery
[1]Public reporting described a substantial year-on-year increase in export revenue amid recovery in global energy activity.
- 2019
Sonatrach takes majority control of Medgaz
[1]Sonatrach and Naturgy assumed joint control of the Algeria–Spain Medgaz pipeline, with Sonatrach holding 51%.
- 1998
Naftal acquired
[1]Sonatrach acquired Naftal, the country’s main petroleum-product distribution company.
- 1986
Foreign partnership framework introduced
[1]Foreign hydrocarbon companies were permitted to operate in Algeria through partnerships with Sonatrach.
- 1971
Hydrocarbon nationalization
[1]Algeria nationalized the majority of French oil and gas interests, giving Sonatrach a dominant national role.
- 1968
Getty Oil partnership
[1]Sonatrach agreed to acquire a 51% interest in Getty Oil’s Algerian interests.
- 1963
Sonatrach founded
[1]Algeria established Sonatrach on 31 December as its national hydrocarbon company.
Products and positioning
Algeria’s national integrated energy company, combining state control of strategic hydrocarbon resources with international upstream partnerships and Mediterranean gas-export capabilities.
Upstream hydrocarbons
Crude oil
Sonatrach explores for and produces crude oil from Algerian fields, including the major Hassi Messaoud field and several fields in the Berkine and other basins. Crude is transported through the company’s national pipeline network to refineries and export terminals.
Upstream and midstream hydrocarbons
Liquefied natural gas
Natural gas is Sonatrach’s principal internationally traded energy product. The group develops gas fields, gathers and processes production, moves it through domestic networks and exports it by pipeline and as LNG to Mediterranean and European customers. Sonatrach produces and exports LNG from Algeria’s coastal facilities, including the Skikda and Arzew regions. LNG allows the company to serve markets that are not directly connected to Algerian pipeline systems and remains an important part of its export portfolio.
Refining
Refined petroleum products
Through its refining operations, including Naftec-related assets, Sonatrach supplies gasoline, diesel, liquefied petroleum gas and other petroleum products to Algeria’s domestic market and, where available, to export customers.
Petrochemicals
Petrochemicals and polypropylene
Sonatrach participates in petrochemical development to process hydrocarbons into higher-value industrial materials. Projects have included polypropylene plans and other chemical investments pursued with international partners.
Energy transition · 2021
Solar and low-carbon energy projects
The company has announced solar generation for oil-field operations and cooperation on low-carbon hydrogen, syngas and renewable-energy projects. These activities supplement rather than replace Sonatrach’s core hydrocarbon businesses.
Brand decisions
2024
Study Ahnet and Gourara basin opportunities with ExxonMobilStrategyBackground
Sonatrach sought to evaluate additional Algerian resource potential with a major international partner.
Action taken
The companies signed an agreement to study hydrocarbon-development opportunities in the Ahnet and Gourara basins.
2023
Revise Tin Fouye Tabankort contractsGeneration changeBackground
Existing arrangements with TotalEnergies needed to conform to Algeria’s 2019 petroleum law and support further field development.
Action taken
Sonatrach and TotalEnergies amended contracts for the TFT II and TFT Sud fields and agreed to facility upgrades and additional drilling.
Aftermath
The partners also agreed to examine renewable-energy and low-carbon programs linked to their cooperation.
2022
Build LNG storage at SkikdaProduct launchBackground
Additional storage capacity was intended to support LNG operations at a major Algerian export terminal.
Action taken
Sonatrach signed a US$179 million contract with Sinopec for a 150,000-cubic-metre LNG storage tank.
Aftermath
The project was positioned to improve operational flexibility at Skikda.
Contract value. US$179 million (17 February 2022)
2022
Increase gas deliveries to ItalyStrategyBackground
European supply concerns increased demand for Algerian gas and made the TransMed corridor strategically more important.
Action taken
Sonatrach and Eni agreed to raise deliveries through the TransMed pipeline to as much as 9 billion cubic metres per year by 2023–24.
Aftermath
The agreement strengthened Sonatrach’s role as a major supplier to Italy while remaining subject to available capacity and existing commitments.
2021
Develop solar power for Hassi Berkine operationsOtherBackground
Sonatrach sought to reduce the conventional power requirements of remote oil-field operations and explore renewable-energy applications.
Action taken
The company announced development of a 10 MWp photovoltaic plant in the Hassi Berkine basin.
Aftermath
The project formed part of a broader effort to add renewable and lower-carbon capabilities to the group’s portfolio.
2005
Hydrocarbons reform to encourage investmentStrategyBackground
The government aimed to attract international oil-company investment into Algeria’s hydrocarbon sector.
Action taken
Parliament adopted a reform bill intended to make investment and participation arrangements more attractive to international operators.
Aftermath
Subsequent amendments imposed additional fiscal conditions and preserved Sonatrach’s option to take a 51% or larger interest in new projects.
1986
Permit foreign companies to partner with SonatrachStrategyBackground
Algeria needed external capital, technology and exploration expertise while retaining state control.
Action taken
The legal framework was changed to permit foreign hydrocarbon companies to operate through partnerships with Sonatrach.
Aftermath
International participation expanded, but Sonatrach remained the required strategic partner in the national sector.
1971
Nationalize majority oil and gas interestsStrategyBackground
Algeria sought direct control over strategic hydrocarbon resources and reduced the dominance of foreign concession holders.
Action taken
The government nationalized the majority of French oil and gas holdings and assigned Sonatrach a central operating and ownership role.
Aftermath
Sonatrach became the dominant national hydrocarbon institution, while foreign participation later returned through partnership structures.
Recent events
- Unconfirmed
Sonatrach raises LPG prices for November[3]
Reported:
Sonatrach raised its official selling prices for LPG for November, increasing propane by $155 per tonne to $825 and butane by $300 to $1,050 per tonne.
Sources3 sources
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