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Angola: Total’s Usan Produces First Oil

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French supermajor Total, operator of Block OML138, announces the start-up of production of the offshore Usan field in Nigeria, in line with the planned schedule. Usan is the second deep offshore development operated by Total in Nigeria, coming on stream less than three years after Akpo.

Discovered in 2002, the Usan field lies around 100 kilometers off the South East Nigerian coast in water depths ranging from 750 to 850 meters. The Usan development comprises a spread moored Floating Production, Storage and Offloading (FPSO) vessel designed to process 180 000 barrels per day and with a crude storage capacity of 2 million barrels. Its size of 320 meters long and 61 meters wide makes it one of the largest vessels of this type in the world. Development involves 42 wells that are connected to the FPSO by a 70 kilometers long subsea network.

Yves-Louis Darricarrère, President Exploration-Production at Total, stated on the occasion:

“I’m particularly proud to announce start-up of this major project together with the concession holder NNPC. This project demonstrates the ability of Total, a key operator of large-scale deep offshore developments in the Gulf of Guinea, to lead ambitious projects that will contribute to increase production for the Group and for the country. Total as operator has introduced a number of technological innovations, among which is a solution that drastically reduces gas flaring and thus minimizes the project’s environmental impact. The development of Usan has involved a record 60% of local content man-hours and thus has contributed to strengthening the know-how of the Nigerian industry in the area of hydrocarbon exploitation in the deep offshore.”

The Usan project has involved an unprecedented level of Nigerian local content, with over 500,000 engineering man-hours and 14 million construction and installation man-hours performed in Nigeria. FPSO construction included an offshore integration of 3,500 tons of locally fabricated structures. In addition, large-scale training and capacity building programs were put in place, raising the skills of the local workforce to the benefit of future projects.

Total’s wholly owned subsidiary Total E&P Nigeria Ltd. operates OML 138 with a 20% interest, while Nigerian National Petroleum Corporation (NNPC) is the concession holder. Total’s partners are Chevron Petroleum Nigeria Ltd. (30%), Esso E&P Nigeria (Offshore East) Ltd. (30%) and Nexen Petroleum Nigeria Ltd. (20%).

Offshore Energy Today Staff, February 24, 2012

Usan Production Will Mitigate Yemen Loss, Nexen Says

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Government of Yement today informed Nexen that the company’s application to extend the Block 14 (Masila) Production Sharing Contract has not been accepted, and that a newly Yemen national company will take over the operatorship of the block upon the PSC expiry on December 17.

Marvin Romanow, Nexen’s President and CEO said: “While we’re disappointed we did not receive an extension, we’re proud of the accomplishments we’ve achieved there. Our operations at Masila have generated significant value for our company, enabling us to deploy the cash flow to build our current portfolio of legacy assets.”

Nexen explained on its website that decrease in the company’s all round production volumes as a result of the contract expiry will be reduced by the start-up of the Usan project, offshore Nigeria, which is expected to begin production in the first half of next year.

The Usan field was discovered in 2002 and is located some 100 kilometers offshore in water depths ranging from 750 to 850 meters. The field development plan includes a floating production, storage and offloading (FPSO) vessel with a storage capacity of two million barrels of oil.

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