Woodside plans development of Laverda, Cimatti oil fields

Woodside Petroleum Ltd. has let a front-end engineering and design contract to Norway’s Aibel Singapore for a proposed subsea tie-back of Laverda and Cimatti oil fields to the Ngujima-Yin floating production, storage, and offloading vessel stationed on nearby Vincent oil field offshore Western Australia.

The move has come as a result of continuing studies by Woodside on the aggregation of undeveloped oil resources in the Exmouth subbasin with maximum use of existing systems.

The Ngujima-Yin FPSO will undergo modifications to its topsides, hull, and turret to accommodate the new fields. Aidel’s work includes management, engineering, and provision of procurement services for the FEED contract, which also contains an option for execution of the development phase. Final investment decision is expected during second-quarter 2016.

Laverda and Cimatti are referred to as a Greater Enfield development project, which plans to access 70 million boe from the two fields.

The project concept comprises as many as 14 wells tied back to the Ngujima-Yin vessel via a 16-in. rigid production flowline and a 10-in. flexible production riser.

Modifications to the FPSO include the addition of a low-salinity water treatment plant, injection pumps, and turbine drivers. There also will be new inhibitor injection facilities, multiphase pumps, variable speed drives and control system, plus a subsea control system for the additional wells and brownfield modifications to the vessel and turret to facilitate the changes.

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