Production Platform - Combined
The Bonga is an FPSO located 120 kilometres (75 mi) southwest of the Niger Delta (also known as the Gulf of Guinea), in the Nigerian license block OML 118 (formally OPL 212). The Bonga FPSO sits in a water depth of around 1,000 metres (3,300 ft).
Both the Bonga FPSO and the Bonga field are operated by Shell Nigeria, who hold a 55% share. Shell's partners in both FPSO and field are ExxonMobile (20%), Nigerian AGIP (12.5%) and Elf Petroleum Nigeria (12.5%).
Discovered in 1996, the Nigerian Government gave approval to develop the Bonga field to a Shell led consortium in 2002.
Due to the extreme water depths across the entire Bonga field, around 1,000 metres (3,300 ft), it was decided to use an FPSO as an alternative to a semi-submersible platform.
The Bonga FPSO was built by Samsung Heavy industries in Korea, before being towed by tug over four months to AMEC's shipyard in Wallsend, UK. At AMEC's yard, The Bonga underwent a £300 million fit-out, including installation of all process plant.
The Bonga came on-stream in November 2005.
The Bonga FPSO, is designed to produce both oil and gas. At 300 meters in length, she is one of the worlds largest FPSOs of her kind, and held in place by a 500 tonne anchors linked by 20 km (12.4 miles) of mooring lines.
The Bonga FPSO came on-stream in November 2005, producing both oil and natural gas.
All raw rpoduce is supplied to the Bonga FPSO via subsea wells and tiebacks.
Whilst gas produce is pumped back to the Nigerian shore via subsea pipelines, oil produce is processed and stored on board until sale and offloading to a shuttle tanker.
The gas exported to Nigeria is refined into LNG for transport to world markets.
At the last update, The Bonga had 16 oil producing wells, with a view to increase this to 40.