President John Atta Mills Welcomes Oil Production Off Coast of Ghana

The Jubilee Oil Field off the coast of Ghana has initiated operations and is now producing in the region of 50,000 barrels of oil per day. Production of the light sweet crude is expected to reach 120,000 barrels of oil per day at the deepwater floating facility. The President of Ghana, John Atta Mills, was present on 15th December 2010 for a formal celebration of the $3.3 billion facility with part-owners Kosmos Energy.

In June 2007, the Kosmos-operated Mahogany-1 exploration well opened a new play fairway in the Tano Basin with the discovery of the Jubilee Field on the West Cape Three Points Block offshore Ghana. The well encountered a gross hydrocarbon column of 270 meters (885 feet) with 95 meters (312 feet) of net stacked pay in a Cretaceous sandstone reservoir. The Jubilee Field is located 60 kilometers (km) (37 miles) offshore Ghana and 130 km (81 miles) west southwest of the port city of Takoradi.

The Kosmos-led IPT developed the Jubilee Field using a turret-moored FPSO, the “Kwame Nkrumah.” The FPSO was created by converting a Very Large Crude Carrier (VLCC) from a trading tanker to an FPSO vessel, retrofitting it with necessary modifications. The ship was converted at Singapore’s Jurong Shipyard and launched by Ghanian First Lady, Ernestina Naadu Mills. The ship is named after the first Ghanian President.

The ship arrived in Ghana in June 2010. It is capable of processing 120,000 BOPD, 160 million standard cubic feet per day (MMSCFD) of gas and storing up to 1.6 million barrels of stabilized crude. It is also capable of treating and injecting 232,000 barrels of water per day for reservoir pressure maintenance and compression, and reinjecting or exporting 160 MMSCFD of gas.

The ship, formerly known as Ohdoh, is designed to be able to operate without dry docking for 20 years. It has the largest turret in the oil industry and 120 accommodation rooms.

The “Kwame Nkruma,” is moored in 1,100 meters (3,609 feet) of water 60 kilometers (37.5 miles) offshore. The subsea wells are about 5-10 kilometers (3-6 miles) from the FPSO in water depths ranging from 1,200-1,700 meters (3,960-5,610 feet).

Kosmos Energy is the Technical Operator for Development of the Jubilee Unit and holds a 23.491% interest. An affiliate of Tullow Oil plc is the unit operator and has a 34.705% interest. Other unit interest holders include a subsidiary of Anadarko Petroleum Corporation with 23.491%; Sabre Oil & Gas Holdings Limited with 2.813%; E.O. Group Limited with 1.750%; and Ghana National Petroleum Corporation (GNPC) with 13.750%.

In This Story: Ghana

Ghana, officially the Republic of Ghana, is a country along the Gulf of Guinea and the Atlantic Ocean, in the subregion of West Africa.

Ghana means “Warrior King” in the Soninke language.

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