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Mar 2024: BW Energy (operator, 73.5%), Panoro (17.5%) and Gabon Oil (9%) started production from the Hibiscus South field (DHBSM), Gamba reservoir, on the Dussafu license tied back to the MaBoMo production facility. The well is expected to recover 6.6 mmbbls. Hibiscus/Ruche is expected to reach a total of 40,000 bbls per day into the FPSO BW Adolo.

Feb 2024: Perenco started drilling an appraisal well near the Hylia South West field (HYSM) in the Ntchengue Ocean (NTO) reservoir, and Madiela reservoir. HYSM-01 is producing 6,000 bbls per day following startup in October 2023.


Dec 2023: Perenco opened its 15,000 tpa LPG plant in Batanga for the domestic market meeting 35% of demand. It plans to bring another 25,000 tpa to market in 2026 when its 0.7mm tpa Cap Lopez LNG plant enters service.

Nov 2023: BW Energy announced that the Hibiscus South satellite (DHBSM-1) appraisal well in the Dussafu permit encountered oil  in the Gamba Formation. It will be completed as a production well in 2024. Preliminary evaluation indicates gross recoverable reserves of up to 7 mm barrels.

Oct 2023: Perenco produced first oil from the Hylia South West accumulation in 40m water depth. Discovered in 2022 with the HYSM-01 exploration well in the Nto reservoir on the Mono permit, Perenco has installed a Fololo platform tied to the Hylia facilities. The well is producing 3,000 bbl/s of oil per day.

Sep 2023: BW Energy announced production from the 4th well of the Hibiscus/Ruche Phase 1 development in the Dussafu licence. The DHIBM-6H is a horizontal well and the 1st Ruche well in the Gamba reservoir. Six wells are expected to bring oil production to 40,000 bbls per day in 2024.

Jul 2023: BW Energy announced production from the 3rd well of the Hibiscus/Ruche Phase 1 development in the Dussafu licence. The DHIBM-5H is a horizontal well from the BW MaBoMo production facility. Six wells are expected to bring oil production to 40,000 bbls per day in 2024.

Apr 2023: BW Energy achieved first oil from the Hibiscus/Ruche Phase 1 development in the Dussafu licence stabilised at 6,000 bbls per day from the Gamba sandstone. Oil produced at Hibiscus/Ruche is transported by pipeline to the FPSO BW Adolo for processing and storage before offloading to tankers. Target output is 30,000 bbls per day using 12 wells.


No significant news in 2022.


Oct 2021: BW Energy with Vaalco and Panoro were awarded 2 offshore exploration blocks (G12-13 and H12-13) close to the Dussafu licence within tie-back distance of existing infrastructure in the 12th Offshore Licensing Round. The partners have committed to drilling exploration wells.

Aug 2021: Panoro announced that the Hibiscus North well (DHBNM-1) in the Dussafu Marin Permit encountered 13.5 m of oil-bearing sands in the Upper Gamba. Drilling will continue through the secondary Dentale target followed by evaluation after which a side-track will be drilled to appraise the field.

Jul 2021: BW Energy completed the final horizontal production well (DTM-7H at the Tortue field) on the Dussafu Marin license in Gabon and will tie-in this well and DTM-6H for first oil production in early 4Q 2021.

Mar 2021: VAALCO gave an update on activities in the Etame Marin block. A new 3D, 1,000 sq km seismic survey has completed. A drilling campaign will start in late 2021 with 2 development and 2 appraisal wells delivering a total of up to 8,000 bbls per day. Capex will be around US$120 mm.


Sep 2020: BW Energy announced an alternative development plan, reducing costs for the offshore Hibiscus/Ruche fields using a converted jack-up. A final decision to restart the project is subject to lifting of COVID-19 restrictions.

Jul 2020: Total announced it has signed an agreement with Perenco to divest its interests in 7 mature offshore fields (Grondin, Gonelle, Barbier, Mandaros, Girelle, Pageau, Hylia), and the Cap Lopez oil terminal. The price will be between US$290 mm and US$350 mm depending on Brent prices.

Mar 2020: VAALCO has completed its 2019/2020 drilling program in the Etame Marin Block. The South East Etame 4H development well is now producing, at an initial rate of 2,200 bbls per day, and the South East Etame 2H well is being worked over to replace the ESPs.

Mar 2020: BW Energy (operator of the Dussafu joint venture) will postpone 2 wells (1 devt and 1 exp) in the Ruche Phase 1 development until conditions improve. Currently 4 wells (DTM-2H, DTM-3H, DTM-4H and DTM-5H) produce into the FPSO BW Adolo. The DTM-6H well is due onstream in June.

Mar 2020: BW (operator) and Panoro have produced first oil from the Tortue Phase 2 field development in the Dussafu Marin permit. The Gamba well DTM-5H has come onstream and a second well, DTM-4H, will follow. Phase 2 involves 4 new producer wells tied to the FPSO BW Adolo.

Feb 2020: VAALCO announced that the SE Etame 4P appraisal well drilled from the SE Etame North Tchibala (SEENT) platform in the Etame Marin permit encountered oil-bearing sands in the Gamba formation. VAALCO estimates prospective resources of up to 2 mm bbls. A development well will be drilled.


Dec 2019: BW Energy completed the first of the phase 2 Tortue development wells in the Dussafu Marin permit. There are 5 oil fields (Moubenga, Walt Whitman, Ruche, Ruche North East, and Tortue) with production from two wells at the Tortue field having started in 2018 from the Gamba and Dentale reservoirs. FPSO Adolo receives oil from subsea trees and flowlines.

Oct 2019: BW Energy (operator) and Panoro Energy report significant oil columns the pre-salt Gamba reservoir of the Hibiscus Updip well (DHIBM-1) and its sidetrack on the Dussafu Marin Permit in 116m of water. Plans to tie the Ruche and Ruche NE fields back to the Adolo FPSO are being expanded to include a possible fast-track development to DHIMB.

Apr 2019: CGG completed acquisition of a 9,800 km 2D multi-client seismic survey in the Gabon South Basin covering blocks offered in the 12th offshore licensing round planned for September 2019.


Nov 2018: BW Energy has sanctioned Phase 2 of the offshore Tortue development two months after start-up of the 2 well Phase 1. Phase 2 entails drilling 4 additional horizontal wells tied back to the FPSO. The company has also approved drilling of 2 additional appraisal wells in the greater Ruche area as part of the drilling program. Phase 1 is currently producing 12,500 bbls per day.

Oct 2018: The official announcement of the 12th Shallow and Deep Water Licensing Round will be made in November 2018 by the Minister of Oil and Hydrocarbons. Spectrum, in collaboration with the Direction Générale des Hydrocarbures (DGH), has carried out shallow water 3D seismic surveys across the open blocks.

Oct 2018: CNR International will terminate its contract for an FPSO at the Olowi field which was due to expire in April 2019 bringing it forward to January and paying a termination fee.

Sep 2018: BW Offshore announced that first oil from the BW Adolo FPSO has been achieved. The FPSO is installed on the Tortue field, one of 5 discoveries in the Dussafu license and was converted from a VLCC with a production capacity of 40,000 bbls of oil per day.

Aug 2018: Panoro Energy announced an oil discovery in the Ruche North East Marin-1 (DRNEM) well drilled in 115m of water in the Dussafu Marin PSC, targeting pre-salt Gamba and Dentale Formations

Apr 2018: Repsol (operator, 60%) and Woodside (40%) encountered oil in the offshore Ivela-1 exploration well in the Lower Congo Basin, Luna Muetse (E13) Block. The well intersected a 78 m gross oil column in a water depth of 2,665m. The drillship will now move to Aruba.

Mar 2018: Petronas (PCGUSA) announced the Boudji-1 exploration well as an oil and gas discovery in Block F14 (Likuale) in a water depth of 2,800m. The well encountered 90m of gross hydrocarbon-bearing pre-salt sandstones. Woodside holds a 30% participating interest.

Jan 2018: BW Energy (operator, 91.667%) and Panoro (8.33%) increased oil reserves at the offshore Tortue field, one of 4 discoveries in the Dussafu PSC. Assuming production from 4 wells, 2P reserves are estimated at 23.5 mmbbls, not including the Ruche, Moubenga, and Walt Whitman discoveries.


May 2017: The Azurite FDPSO, the world’s first and only floating drilling unit is set to be deployed to to the Dussafu field. The FDPSO has a storage capacity of 1.3 mm bbls of oil and  capability to process 40,000 bbls per day and can be used for drilling and completing wells. The operator, BW Offshore, expects first oil in the second half of 2018.


Apr 2016: Gabon wants to rejoin OPEC. If it returned, it would be the smallest producer. Gabon joined OPEC in 1975 and left in 1995 over the exporter group's refusal to grant its request for reduced annual contributions in line with the country's small production.

Mar 2016: The bid submission deadline for the 11th Gabon Deep Water Licensing round has been extended to April 2016. The 11th Round focuses on 5 blocks in the South Gabon Salt Basin.


Dec 2015: VAALCO announced that North Tchibala 2-H, the second development well in the offshore North Tchibala field, has been brought online at a rate of 500 bbls of oil per day. North Tchibala 1-H was brought online in September.

Oct 2015: The Petroleum and Hydrocarbons Minister launched a new 2016 offshore bid round offering 5 deepwater blocks; E12, E14, F12, F14, G14.  E14 is entirely in water depths over 3000m. It is expected that bidding will be finalised by mid-2016.

Sep 2015: Oil shipments have been disrupted by leaks on the pipeline from Maurel and Prom’s Ezanga PSA (operator, 80%) to the Rabi Nord pipeline. Production is now at 22,000 bbls per day and is expected to increase to 29,000 bbls per day after repairs.  

Apr 2015: VAALCO announced first oil from Etame 12-H drilled from the Etame platform to target an untapped lobe of the Gamba reservoir. It was brought online at 2,000 bbls per day. The jack up rig will now drill development wells from the SE Etame/N. Tchibala (SEENT) platform.

Jan 2015: VAALCO announced first production from Etame 10-H, the second development well drilled from the offshore Etame platform in the Etame Marin block. The horizontal well intersecting over 180m of reservoir within an oil-bearing portion of the Gamba Sand. The well is being produced at a rate of 3,000 bbls of oil per day.


Oct 2014: Shell (operator, 75%) and CNOOC (25%) have encountered a column with 200m of net gas pay in a pre-salt reservoir in the Leopard-1 exploration well in the South Gabon salt basin. The well is located 145 kms off the coast, west of Gamba in license BCD10 and was drilled in 2,110m of water. An appraisal program is planned.

Oct 2014: Vaalco Energy announced the start of a 6-well development drilling campaign with a jackup rig on its Etame Marin block following installation of the Etame and SE Etame/North Tchibala platforms. First oil production from the first well (Etame 8-H) is due in Dec 2014.

Oct 2014: The Development and Production Plan (FDP) for the Ruche fields has been approved. These are Ruche A (Ruche), Ruche B (Tortue), Ruche C (Moubenga) and Ruche D (Walt Whitman). A central FPSO will be tied into subsea wells with production starting by 2017. Partners are Harvest Dussafu (operator, 66.66%) and Panoro (33.33%).

Aug 2014: Petronas has signed a PSC for Block F14 in the south Gabon in water depths ranging from 2 to 3,000m. It may hold pre-salt prospects. Petronas will operate with 80% in partnership with the Government (20%).

Aug 2014: Marathon (100%) has signed a PSC for offshore Block G13 (Tchicuate). The block has water depths  from  1000m to 2500m and lies near shallow water, pre-salt oil discoveries. Marathon also holds 21.25% in the Total-operated Diaba License G4-223 where the Diaman-1B discovery was made in 2013.

Jul 2014: Eni (100%) has made a gas/condensate discovery in the Nyonie Deep exploration well in Block D4, 13 kms from the coast in 28m of water. The well encountered a 320m hydrocarbon section in the pre-salt Aptian clastic sequence. Eni has exploration activities in 4 licenses  in Gabon; 2 offshore (D3 and D4) and 2 onshore (E2 and F3).

Jul 2014: Harvest (operator, 66.667%) and Panoro (33.333%) have  signed a Declaration of Commerciality covering 4 oilfields in the Ruche area, comprising the pre-salt Ruche, Tortue, Moubenga and Walt Whitman discoveries, in the Dussafu Marin offshore license which has been upgraded to an Exclusive Exploitation Authorization (EEA).


Dec 2013: Gabon will apply a new oil law in 2015. The country earlier said that parliament would pass the law by the end of 2013. Gabon seeks tougher terms for foreign oil companies. The newly-created Gabon Oil Company will be entitled to a stake of up to 15%. It hopes for a revival in production following Total’s deep water pre-salt discovery in August.

Oct 2013: Gabon has awarded 13 blocks to 11 companies as part of a deepwater licensing round. The government is aiming for 500,000 bbls a day of production once these blocks are operational. Ophir Energy won 4 blocks with Exxon Mobil, Eni, Repsol and Marathon also successful.

Aug 2013: Marathon Oil (21.25%) has reported that operator, Total (42.5%) has made a deep water pre-salt discovery. The Diaman-1B well found net pay with gas and condensate. The well was drilled in 1729m of water. In January Harvest Natural Resources made a shallow water pre-salt discovery in the Tortue field.

Jul 2013: Gabon will hold a licensing round for offshore oil blocks later in 2013 and will adopt a new hydrocarbon code which would provide a basis for the new bid round. The newly-created Gabon Oil Company is entitled to a stake ot mf up to 15% in oil blocks owned by other companies. The country wants to rejoin the candidate list for the Extractive Industries Transparency Initiative (EITI), a global standard for government revenues from natural resources.

Apr 2013: Phase 3 of Total’s Anguille redevelopment project continues with 4 wells drilled by the Setty rig from the new AGMN platform and installation of 3 subsea flowlines tied back to the central complex.

Jan 2013: Harvest  announced it has encountered oil in offshore well Dussafu Tortue Marin-1 (DTM-1) drilled in the Dussafu Marin PSC. The well was drilled to test the potential of the pre-salt Gamba and Dentale Formations with the Saipem Scarabeo 3 semi-submersible rig in 116 metres of water. Additional technical evaluation will be required to appraise this discovery.


Dec 2012: Gabon plans to launch a deep water licensing round in June 2013.

Nov 2012: VAALCO Energy announced that the N'Gongui exploration well onshore Gabon in the Mutamba Iroru concession near the coast has encountered hydrocarbons in the Gamba sandstone. The discovery is located 10 kms south of the producing Atora field operated by Total. Future development plans will investigate connecting into the export pipeline of Atora. VAALCO, as operator, and Total each have a 50% interest in the concession.

Oct 2012: Maurel & Prom report that production on the onshore Omoueyi permit (Onal, Omko, Omgw, Ombg and Omoc fields) is 18,500 bbls per day. In total, 8 production wells and 4 injection wells are being brought into service, plus another two injection wells in December. Water injection capacity will have doubled by the end of 2012 from 25,000 to 50,000 bbls per day to produce a gradual increase in oil output over 2013.

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Gabon Datafiles

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