Tweneboa Enyenra and Ntomme (TEN) Oil and Gas Fields

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Summary Information

  • Operator: Tullow
  • Country: Ghana
  • Location: Tano Offshore Area
  • Production start:
  • Partners: Tullow - 54.8%, Kosmos Energy - 18%, Anadarko Petroleum - 18%, Sabre Oil & Gas - 4.05%, GNPC - 10%
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:

Description

  • The TEN Project is located in the Deepwater Tano Contract Area, 60 kilometres off the coast of Ghana
  • The TEN Project is expected to deliver first oil in 2016, with a plateau production rate of 80,000 bopd.
  • Development of the TEN Project will require the drilling and completion of up to 24 development wells which will be connected through subsea infrastructure to a Floating, Production, Storage and Offloading vessel (FPSO), Ten FPSO moored in approximately 1,500 metres of water.
  • The FPSO will be capable of handling expected plateau production of 80,000 barrels of oil per day, 170 MM standard cubic feet of gas per day and has storage of 1,700,000 barrels of total fluids
  • Enyenra was previously known as Owo

Contractors

  • Modec: Contract for the supply, charter and lease, operations and maintenance of the FPSO
  • FMC Technologies: Supply of subsea trees, manifolds, tooling, associated subsea control systems and systems integration
  • Subsea 7: Engineering, procurement, fabrication, transport and installation of 36 kilometres of pipe-in-pipe flowlines, related flowline termination structures, and structure foundation piles. The scope also includes transport and installation of manifolds, riser bases and flying leads.
  • Vallourec: Seamless offshore line-pipe including anticorrosion coating
  • KWSubsea: Concept and pre-FEED engineering of the pipelines and flowline scope of the subsea development
  • Wood Group Kenny: Subsea, umbilical, risers, flowlines (SURF) engineering services

History

  • 2009 - Oil and gas condensate discovered in Tweneboa
  • 2011 - Appraisal proves prescence of oil in Enyenra
  • 2013 - Government of Ghana approves Development Plan
  • 2013 - Modec awarded contract for the supply, charter and lease, operations and maintenance of FPSO
  • 2019 - Oxy becomes a partner following acquisition of Anadarko
  • 2022 - Tullow increased its stake to 54.8% by buying Oxy's stake

Geology

Links

  1. KWSubsea Subsea References
  2. Significant discovery at Tweneboa-1 exploration well offshore Ghana
  3. Tweneboa-2 discovers significant oil and gas-condensate field
  4. Tweneboa-3 appraisal well confirms Greater Tweneboa Area resource potential
  5. Enyenra-2A appraisal well proves major light oil field
  6. Tullow Oil - Enyenra-4A appraisal well successful
  7. Government of Ghana approves Development Plan for the TEN Project
  8. MODEC, Inc. Awarded FPSO contracts for TEN Project, Deepwater Tano in Ghana
  9. FMC Technologies Awarded $340 Million Contract for Subsea Systems for Tullow Ghana's TEN Project
  10. Technip awarded major contracts for the TEN project in Ghana, reinforcing its presence in West Africa
  11. Subsea 7 S.A. awarded contract offshore Ghana
  12. Vallourec to supply premium line pipe solutions in Ghana
  13. Wood Group Kenny wins subsea engineering services contract in Ghana
  14. Occidental Completes Acquisition of Anadarko
  15. Tullow completes pre-emption of Deep Water Tano component of Kosmos Energy/Occidental Petroleum Ghana transaction
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