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10 Of fshore December 2013 • www.offshore-mag.com
To respond to articles in Offshore, or to offer articles for publication,
contact the editor by email ( email@example.com).
C O M M E N T David Paganie • Houston
Offshore’s Top 5 Projects
This month, as we do each year at this time, the editors spotlight fve projects that
exemplify best-in-class among those that achieved frst production during the calendar
year. Each is the recipient of Offshore magazine’s Five Star Award, and I am delighted to
announce the winners inside this issue.
Offshore’s Top 5 Projects of 2013 were selected on the basis of best use of innovation in
production method, application of technology, and resolution of challenges, along with
safety, environmental protection, and project execution.
In no particular order, the winners are:
In September, the North Caspian Operating Co. (NCOC), led by Eni, offcially tapped
the super-giant offshore oilfeld, Kashagan, in the Kazakhstan sector of the Caspian
Sea. Located some 80 km ( 49. 7 mi) southeast of Atyrau, Kashagan is the largest oil accumulation in the North Caspian Sea with estimated oil in place of around 35 Bbbl. It is
Kazakhstan’s frst offshore oil development, and has an estimated 13 Bbbl of proved and
recoverable reserves. Named after a 19th century Kazakh poet from Mangistau, Kashagan is the largest oil feld to be discovered in the past 35 years. Page 32.
Noble and its partners brought Tamar onstream just 2. 5 years after sanction, at a cost
of about $3.25 billion. The initial phase consists of fve subsea wells in a hub-and-spoke
arrangement in an average water depth of 5,500 ft ( 1,676 m). The wells are tied back to
a platform in 800 ft (244 m) of water via a pair of 16-in. fowlines. At 150 km (93 mi) from
the wells to platform, Tamar is one of the longest subsea tiebacks in the world. Page 34.
When Petrobras brought the deepwater Sapinhoá oil feld on production early in 2103,
it drew attention to what is already one of the hottest plays in the world. Furthermore,
it brought with it the implementation of the new concept of a buoyancy supported riser
system. Petrobras initiated commercial production from the Sapinhoá feld in block BM-S- 9 in the presalt Santos basin through the Cidade de São Paulo FPSO. Page 36.
BP started oil production from new facilities on the Valhall feld off southern Norway
on Jan. 26, 2013. Estimated to have cost close to $3 billion, the project was one of the
company’s most complex feld expansion developments to date. It is designed to prolong
production from Valhall until 2050, with capacity to handle 120,000 b/d of oil, 200,000
b/d of NGLs, and 143 MMcf/d ( 4 MMcm/d) of gas. Page 38.
Operated by BP, PVSM is the largest deepwater project in Africa and one of the biggest offshore oil and gas projects in the world in terms of water depth and subsea extension. Located in the northeast section of block 31 about 180 km (112 mi) offshore,
PSVM consists of 48 wells ( 22 initial producers, 16 water injectors, two gas injectors, and
eight later inflls) connected to an FPSO through 15 subsea manifolds and associated
subsea equipment. Page 40.
Congratulations to all of the operators, partners, contractors, vendors, and service
companies that helped bring forward these projects from discovery to frst production.
More information on the award-winning projects is available in a special webcast
hosted on the Offshore magazine homepage: www.offshore-mag.com.