Tomboco Oil Field

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Angola Oil & Gas Fields

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Summary Information

  • Operator: Chevron
  • Country: Angola
  • Location: Block 14
  • Production start:
  • Partners: Chevron's Angola-based unit, Cabinda Gulf Oil Co. (CABGOC), is operator of Block 14 and holds a 31-percent interest; Sociedade Nacional de Combustiveis de Angola (SONANGOL), Agip Angola, and TotalFinaElf-Angola each hold a 20-percent interest. The remaining 9-percent interest is held by Petrogal
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • The Benguela, Belize, Lobito, and Tomboco fields form the BBLT development in deepwater block 14
  • The Benguela-Belize Lobito-Tomboco (BBLT) platform is a drilling production platform (DPP).
  • The topsides are supported by a compliant piled tower in 1,281 feet of water
  • The tower was the first compliant tower structure to be installed outside of the Gulf of Mexico. It supports more than 40,000 short tons of topsides and 40 well slots


  • Daewoo Shipbuilding and Marine Engineering (DSME): Engineering, procurement, construction and installation of the production facilities, CPT and the gas and oil export pipelines.
  • KCA/Deutag: Engineering, procurement and construction of the platform drilling rig and the contract for future operations and maintenance of the rig.
  • Mustang Engineering: Compliant Piled Tower - Conceptual and costing studies, front-end engineering, detail design
  • Heerema Marine Contractors: Benguela-Belize Compliant Tower installation


  • 1998 - Chevron announces the discovery of Benguela Oil Field
  • 1998 - Chevron announced it had made another significant oil discovery and was to call it Belize
  • 2000 - Benguela and Belize appraisal wells drilled
  • 2000 - Lobito oil field discovered
  • 2003 - ChevronTexaco Announces Major Contract Awards for Block 14
  • 2005 - The tower was installed in April, with topsides installation May
  • 2006 - Chevron Announces First Oil Production from Belize Oil Field
  • 2012 - Total sells a stake in Block 14 to Inpex



  1. Mustang Engineering Platform References
  2. FoundOcean Africa Subsea References
  3. Serimax Pipeline References
  4. Chevron Makes Third Significant Discovery In Angola's Deep-water
  5. Chevron Makes Fourth Commercial Well Discovery In Angola Deep Water
  6. ChevronTexaco Announces Major Contract Awards for Angola's Deepwater Block 14
  7. Chevron Announces Successful Results From Appraisal Wells In Deepwater Angola
  8. Chevron Announces Significant Oil Discovery Offshore Angola
  9. Chevron Announces Successful Appraisal of Lobito Oil Field in Angola's Deepwater Block 14
  10. Chevron Announces First Oil Production from Benguela-Belize Development, Deepwater Block 14, Offshore Angola
  11. Chevron Announces First Oil Production from Lobito Field, Deepwater Block 14, Angola
  12. Angola: Total to sell an interest in Block 14 to INPEX
  13. The Benguela-Belize Lobito-Tomboco Platform

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