Tullow Ghana Limited has awarded two contracts for work on the TEN project worth about US$1.23 billion.
The contracts will be shared between Technip and Subsea 7, who are working as part of a consortium on the project.
The TEN project is in the Deepwater Tano contract area, in 2000m water depth, 60km offshore Ghana, about 30km west of the Tullow-operated Jubilee field,
Image: The TEN fields.
TEN consist the Tweneboa, Enyenra and Ntomme fields, discovered between 2009 and 2010, and estimated by Tullow to contain about 360 mmboe, with about 70% oil.
The development will comprise up to 24 development wells connected to the TEN MV25 floating, production, storage and offloading vessel (FPSO), moored in about 1500m water. Production is estimated to ramp up to 80,000 bbl/d.
Offshore installation is due to start in 2015 and be completed in the second half of 2016.
Technip’s share of the work is worth about US$730 million. The firm’s scope of work includes engineering, fabrication and installation of nine flexible risers, three flexible flowlines and 12 flexible spools, totaling 48km.
Technip will also engineer, fabricate and install 33km of water injection and gas injection rigid flowlines and install about 63km of static and dynamic umbilicals.
It will also engineer, fabricate and install 10 well rigid jumpers and deliver a further six prefabricated rigid jumpers.
The flexible pipes will be fabricated at Technip’s Flexi France facility in Le Trait, France, and the rigid flowlines at the group’s spoolbase in Evanton, UK.
Subsea 7’s share of the contract is valued at approximately US$500 million.
Subsea 7's scope of work includes engineering, procurement, fabrication, transport and installation of 36km 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.
Engineering will start immediately, with offshore installation due to start in mid-2015, using the pipelay and heavy lift vessel Seven Borealis, pictured.
The TEN MV25 FPSO will be a conversion of the VLCC Centennial J and will be capable of processing 80,000 bbl/d and 170MMcf/d and have an oil storage capacity of 1.7MM bbl.
MODEC will own the TEN MV25 and provide the operations and maintenance services for an initial 10 year period, with option of one-year extensions for a further 10 years.
See: http://oedigital.com/component/k2/item/3675-modec-secures-fpso-contract
Tullow Ghana Limited (a subsidiary of Tullow Oil plc) is operator of the Deepwater Tano Contract Area with an interest of 47.175%. Other partner interests are Kosmos Energy (17%), Anadarko Petroleum (17%), Sabre Oil & Gas Holdings Ltd, a subsidiary of Petro SA (3.825%), and the Ghana National Petroleum Corporation (15%).
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