Page 85: of Offshore Engineer Magazine (Apr/May 2014)

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Gulf of Mexico

Development facts at-a-glance

Na Kika host facility •

First oil: 26 November 2003

Located in Mississippi Canyon Block • 474, about 140mi. of New Orleans •

BP’s frst semisubmersible platform •

Located in 6300ft of water •

Lightship weight of 31,475 metric tons •

Services eight separate felds with the capacity to service more, the frst of its kind • Reportedly the largest oil storage facility in the GOM

Annualized average oil, gas output • (respectively): 130,000bopd, 550MMscf/d •

BP (operater) and Shell respectively hold equitable, 50% interests.

Mars feld facts •

Discovered in 1989 over MC762, 763, 806, 807, 850, 851, with the discovery well drilled in MC763 •

Reportedly the GOM’s largest discovery in more than 25 years

Olympus Mars, forefront, and TLPs in the •

Began production in 1996

Gulf of Mexico. Photo from Shell.

•

Contains Pliocene and Miocene reservoirs rates at around 100boe/d. The company’s Olympus TLP,” he said, and explained covering 30-something states.” •

Has produced more than 700MMbo

Shell is the operator of Mars B with a largest foating deepwater Gulf of Mexico that the short “competitive” cycle time •

Mars B development extends feld life to 71.5% stake. BP holds the remaining 28.5% platform, it also has a self-contained drill from discovery into production was at least 2050 rig. “through the tieback.” •

Contains the 40-mi. Mars Pipeline sys-

Na Kika Phase 3

Reservoirs are located at depths of FMC Technologies supplied the subsea tem that connects onshore in Fourchon, 10,000 - 22,000ft, which is around 2-4mi system and the controls. Spokesperson As Mars B Olympus maximizes the

Louisiana below the seafoor. Citlalli Utrera said, for the project, FMC potential of an existing feld, Na Kika’s •

Shell (operator) has a 71.5% working

Newberry said that the infrastructure used “the frst 15,000psi, 300ft vertical novel design allows production from interest; BP holds the remaining 28.5% of the Mars B venture can be broken into tree, ever,” which was a “high-pressure/ multiple independent felds through the three major segments: Olympus, which is high-temperature (HPHT) milestone” for host facility, Na Kika semisubmersible

Mars B Olympus TLP facts located about 1mi. southwest of the exist- the company and the industry. The West platform, which is located in a whop- •

Located about 130mi. south of New ing Mars TLP; West Boreas/South Deimos Boreas/South Deimos trees were FMC’s ping 6300ft of water. The development’s subsea development; and the develop- proprietary Enhanced Vertical Deepwater Octopus-like design is the inspiration

Orleans and lies in approximately 3000ft ment’s export solutions. Tree, which was developed in partner- behind its name, with the host semisub- of water The 6-well West Boreas/South Deimos ship with Shell. Utrera said that it was mersible platform acting as the body, and •

It is Shell’s largest TLP: The platform is tied back to Olympus through a single “the frst HPHT version of this successful the fowlines to the eight felds serving as alone weighs 20,000tons. seabed manifold located 3mi. west of the deepwater tree.” the tentacles.

•

It displaces more than 120,000tons of

TLP. Two production fowlines along the The oil and gas export system runs According to the supermajor, the Na water, heavier than 300 Boeing 747 jumbo seabed tie the manifold back to Olympus north to the existing West Delta complex. Kika platform has a design life of 20 jets through production risers. Umbilicals Shell added an additional shallow water years. It was BP’s frst semisubmersible •

From the hull base to the top of the der- power the wells, and provide the various platform, West Delta 143C. platform, and was the only semisubmers- fuids and chemicals the subsea wells “The Mars B development truly is a ible in the Gulf of Mexico at the time of

Olympus rick, measures 406ft tall may require throughout their lifetime. global endeavor when you’re looking installation. It also houses the largest oil •

Combined deck area of 342,000sq ft

Although Shell considered other at adding infrastructure of this magni- storage facility in the Gulf of Mexico.

• 24 well slots are tied back to the TLP options, the decision to employ a tieback tude,” Newberry said. “We had activities The original development, which •

Brought onstream in February with a fast became the best solution. that spanned the globe from Asia, to started production on 26 November projected production of 100,000boe “We looked at the concepts and identi- the US, to Europe. During the period of 2003, consisted of fve felds. Like Mars

Provides infrastructure for two Shell • fed that there was tremendous energy September 2010 to frst oil in February B, Na Kika Phase 3 augmented existing deepwater discoveries, West Boreas and (potential) by developing West Boreas/ 2014, over 20,000 people will have infrastructure through the addition of

South Deimos as a subsea tieback to the worked on Mars B within the US alone, new equipment to boost production and

South Deimos

Sources: BP, Shell oedigital.com April 2014 | OE 87 000_0414_GOM-7-charticle.indd 87 3/22/14 7:37 PM