Equatorial Guinea Oil And Gas Profile
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  • Equatorial Guinea has become a significant oil and natural gas exporter since the discovery and development of large offshore oil reserves in the 1990s. While both oil and gas production have increased significantly over the past decade, both volumes appear to be leveling off in the short-term.
  • According to the International Monetary Fund’s (IMF) latest data, the hydrocarbon sector – mostly crude oil with liquefied natural gas (LNG) playing an increasingly greater role – represented over 90 percent of government revenue and about 98 percent of export earnings.


  • 1960. Exploration begins in Equatorial Guinea.
  • 1984. First discovery: Alba Field (GEPSA)
  • 1991. January. Production begins in Alba Field
  • 1995 - ExxonMobil and Ocean Energy discovered the Zafiro Oil Field
  • 1996. August. Production begins in Zafiro
  • 1999. Third discovery: Ceiba field (Tritoni) & Ceiba begins producing
  • 2001. Fourth discovery: Okume - Oveng Complex
  • 2004. In Akom North -1 Block G is discovered
  • 2006 - New Hydrocarbons Law implememted


  • The Ministry of Mines, Industry and Energy is the overall regulatory body for the petroleum industry in Equatorial Guinea.
  • The Equatoguinean government created a national oil company, GEPetrol, that became operational in 2002. GEPetrol’s primary focus is to manage the interest stakes of the Equatoguinean government in various production sharing agreements (PSAs) and joint ventures (JVs) with foreign oil companies. The company is also responsible for marketing, licensing rounds and policy implementation within the hydrocarbon sector. Oil licenses are awarded through licensing rounds or direct negotiations with companies.
  • In recent years, the government has passed legislation to increase local participation (ownership) to a minimum of 35 percent in all foreign investments with companies expected to give preference to local staff and resources. In the hydrocarbon sector, this requirement can be met with a 35 percent share allotted to the national oil company, GEPetrol. As a result, the national oil and gas companies (Sonagas) are expected to continue to play a substantive role in oil and gas development.


  • According to the Oil and Gas Journal, Equatorial Guinea had proved oil reserves of 1.1 billion barrels as of January 2011. The majority of these reserves are located offshore in the oil-rich Gulf of Guinea. Since the 1995 discovery of the Zafiro field, Equatorial Guinea's oil production increased dramatically. In 1995, oil production was 5,000 barrels per day (bbl/d) and according to EIA’s Short-Term Energy Outlook, the country is currently producing slightly over 300,000 bbl/d but forecast to remain relatively flat through 2012. New field developments are underway but no additional production is expected before 2013.
  • Almost all oil production is in the form of crude oil and lease condensates from natural gas production. All production is exported and the small amount of domestic consumption is met through imports of refined products.


  • Equatoguinean oil production originates almost entirely from the Zafiro, Ceiba, and Okume fields, while condensate production originates from the Alba field. A detailed map of oil and gas licenses and activities is available through the Ministry of Mines and Energy Website.
  • Zafiro Oil Field
    • In 1995, ExxonMobil and Ocean Energy discovered the Zafiro Oil Field, which is located northwest of Bioko Island. Zafiro was the first deepwater field to be brought on-stream in West Africa and is currently the main producing field in Equatorial Guinea. Zafiro is currently operated by an ExxonMobil-led consortium and producing around 160,000 bbl/d. While Zafiro continues to be the single largest source of Equatoguinean oil, field production has been in decline since it peaked in 2006 at over 240,000 bbl/d. Zafiro, as of 2005, has been blended with Topacio and marketed as New Zafiro, a low-sulfur distillate-rich crude oil.
  • Ceiba Oil Field and Okume Complex
    • Ceiba, Equatorial Guinea's second major producing oil field, is located just offshore of Rio Muni in exploration Block G, neighboring the Okume Complex. The field contains an estimated 113 million barrels of reserves and in 2009 was producing close to 80,000 bbl/d. The field is operated by the Hess Corporation, with partners Tullow Oil and GEPetrol. According to Wood Mackenzie, other fields in the Okume complex contributed around 30,000 bbl/d of Ceiba Blend in 2009.
  • Alba Gas and Condensate Field
    • Alba, Equatorial Guinea's third largest field, is located 12 miles north of Bioko Island. Alba was developed as a major condensate field containing an estimated 400 million barrels of liquids. The field currently produces close to 70,000 bbl/d of condensates as well as some liquefied petroleum gas (LPG). The associated natural gas that was historically flared from the Alba field is now the main source of feedstock for the Punta Europa liquefied natural gas (LNG) plant on Bioko Island (see Natural Gas section). Marathon Oil Corporation serves as operator of Alba field along with GEPetrol.
  • Upcoming developments
    • Noble Energy operated Aseng and Alen condensate fields are expected on-stream in the short-term. Aseng production is expected to start in late 2012, peaking at 50,000 bbl/d while Alen is not expected to begin production until 2013 with an estimated production of around 40,000 bbl/d. Natural gas from the Alen field will initially be used to enhance oil recovery but plans are underway to bring this gas to market.
    • Natural gas production in Equatorial Guinea has expanded rapidly in the last five years in response to new investments by major stakeholders in the Alba field. Alba, the country's largest natural gas field, contains most of the 1.3 trillion cubic feet (Tcf) of proven reserves, with probable reserves estimated at 4.4 Tcf or more. Currently, the Alba field produces almost all of the 232 Bcf of marketed natural gas. Marathon Oil (operator) has a 63 percent interest in the field, while Noble Energy holds 34 percent interest and GEPetrol has the remaining three percent.
    • Additional natural gas production could come on-stream if the government is able to implement plans to reduce gas flaring by 2013. The government has specifically targeted ExxonMobil’s Zafiro field that it claims is responsible for close to 80 percent of all natural gas flaring in the country and has threatened fines for continued flaring.

Active Companies

  • While European and Chinese companies are starting to play a role in Equatorial Guinea, the main foreign company involvement is from U.S. companies including ExxonMobil, Hess and Marathon.

Crude Oils

  • The majority of Equatorial Guinea’s oil production is exported to North American, European, and Asian markets. In 2009, the United States imported approximately 90,000 bbl/d of crude and products from Equatorial Guinea. Other major destinations for exports include Spain, China, France, and Italy.
  • New Zafiro Crude Oil and Ceiba Blend Crude Oil are the main exports


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  • Most of Equatorial Guinea’s natural gas production is exported in the form of LNG. Marathon Oil Corporation and its partners completed Train 1 of the $1.4 billion Eg Lng Terminal on Bioko Island in May 2007. The plant is initially designed to process approximately 3 Tcf of dry gas from the Marathon-operated Alba Field.
  • In 2009, Equatorial Guinea exported approximately 153 Bcf of LNG, almost all of which went to Asia, mainly Japan (41 percent), South Korea (36 percent) and Taiwan (16 percent), smaller volumes that year went to India, China, France and Portugal. Initial LNG exports were destined for the United States and in 2007, the country did import close to 18 Bcf of LNG. However, since then, growing Asian demand has shifted the dynamics of Equatorial Guinea’s LNG markets.
  • A second train is to be added, with operations planned for 2016


  • There are no refineries in operation in Equatorial Guinea
  • The Mbini Refinery Project aims to build a 20,000 bpd refinery, but is currently on hold

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