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Zinia 2 Deepwater Offshore Project, Angola

  • Project Type

    Offshore oil field

  • Location

    Block 17, Angola

  • Water Depth

    Between 600m and 1,200m

  • Estimated Investment

    $1.2bn

  • Ownership

    Total Exploration and Production (40%), Equinor (23.33%), Exxon Mobil (20%), and British Petroleum (16.67%)

  • Operator

    Total Exploration and Production

The Zinia 2 deepwater offshore project lies in the Block 17, approximately 150km offshore the coast of Angola. It is the first of multiple satellite projects planned to maximise the production from the block.

Sonangol is the sole concessionaire and titleholder of Block 17. The block is jointly owned by Total Exploration and Production (Angola) (40%, operator), Equinor (23.33%), Exxon Mobil (20%), and BP (16.67%).

Total and the remaining partners in the field took final investment decision on the development of the field in May 2018. The project is estimated to require an investment of $1.2bn.

The satellite field will produce approximately 40,000 barrels of oil a day.

Details of Block 17 offshore Angola

Block 17 is one of the first deepwater offshore sites to be officially licensed by the government of Angola. The block has been a rich source of crude oil and has, therefore, drawn the attention of several partners, apart from the operator Total, to be involved in the project.

Four other projects currently developed in the block are Girassol, Dalia, Pazflor, and CLOV, which consists of the Cravo, Lirio, Orquidea and Violeta fields.

The satellite reservoirs will link to existing FPSOs and unlock the full potential of the block.

Zinia 2 deepwater offshore project details

The Zinia 2 field covers a total area of approximately 600km². The development plan for the field includes drilling of nine production wells in water depths ranging between 600m and 1,200m.

A series of flowlines will transport the produced oil from the field to the Pazflor floating storage, production and offloading (FPSO) vessel. Flowlines admeasuring 36km, and 21km of umbilicals will be installed, as part of the project. The offshore work is officially scheduled to commence in 2020.

Details of the Pazflor FPSO

Pazflor FPSO is a deepwater vessel measuring 325m-long, 61m-wide and 32m-high. It weighs more than 120,000t, making it the world’s biggest FPSO. The vessel is positioned in place by 16 subsea mooring connectors.

The FPSO has a processing capacity of approximately 220,000 barrels of oil a day and a storage capacity of approximately 1.9 million barrels of oil, which is exported to tankers through an offloading buoy.

“The Zinia 2 field covers a total area of approximately 600km².”

Contractors involved with Zinia 2 deepwater project

Total awarded the subsea development contract for the Zinia 2 project to TechnipFMC in July 2018. The contractual scope includes engineering, procurement and construction (EPC) of subsea equipment that cover nine subsea tree units, subsea control systems, wellheads and connection systems.

Subsea 7 was awarded the EPC contract for subsea flowlines and umbilicals. The contractual scope includes supply and installation of 36km of flowlines and 21km of umbilicals, and tie-back of two reservoirs of the field to the Pazflor FPSO.

Zinia phase one development details

The first phase of the Zinia field was developed as part of the Pazflor field development. It included the development of the Zinia field along with three other fields namely Perpetua Acacia and Hortensia.

The project lies approximately 150km offshore Luanda, in water depths ranging between 600m and 1,200m. The estimated proven and probable reserves of the project are 590 million barrels of oil.

The first development well for the project was drilled in 2009 and the installation of subsea equipment began in 2010. The project is currently producing through 49 subsea wells tied-back to the Pazflor FPSO through 180km of flowlines.

The project was developed at an estimated cost of $9bn and came on-stream in August 2011.