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DEEPWATER U.S. GOM IS INTRODUCED TO LNG SUPPLY VESSELS In mid-August, Harvey Gulf signed long-term charters for three of its LNG powered OSVs, and was the Þ rst U.S. company to contract LNG supply vessels in U.S. deep water. The Harvey Energy, Harvey Power and Harvey Liberty will be delivered in 2013 and 2014. ÒThe North Sea in the UK is very environment friendly and theyÕve been using LNG vessels for years,Ó she said. ÒTheyÕve moved faster than the U.S.Ó She also noted that CaliforniaÕs diesel sulfur-content limits are stricter than North American ECA limits. CaliforniaÕs limit for marine diesel oil is 5,000 ppm.ÒOne of the reasons we geared up for LNG is because of very strict air emissions permits for Ômajor sourceÕ rigs,Ó Eddlemon said. If rigs in the EPA Outer Continental Shelf zone emit over 250 tons per year of pollutants, they are major source rigs, she explained. ÒOwners of these rigs must determine what their major pollutants--including NOx, SOx and CO2Ñare, and conduct a Best Achievable Control Technology or BACT analysis for them,Ó she said. Rig owners can be held to best-control procedures under their air permits.Ó Eddlemon continued, Òsome rigs, depending on stipulations in their air permits, only allow vessels to burn low-sulfur fuel, and vessels can only stay near the rig for a limited time because of emissions limits in the rigÕs air permits.Ó LNG contains almost no sulfur, and LNG used to fuel a vessel also emits less NOx or nitrogen oxide emissions, she said. THOMA-SEA TAPS CLIENTS ? ENVIRONMENTAL NEEDSThoma-Sea Marine Constructors, L.L.C. responded to market needs when it began building diesel electric THE BEST SOLUTIONS FOR SURFACE PREPARATION AT SEA. yBERGEN NORWAY ySINGAPORE yANTWERP BELGIUM yHOUSTON USA SURFACE PREPARATION MADE SIMPLE Interested Marine Distributors Contact: djj@rustibus.com www.rustibus.com 1-832-203-7170Rustibus MN June12.indd 16/1/2012 3:37:34 PMwww.marinelink.com MN 29MNSept2012 Layout 18-31.indd 29MNSept2012 Layout 18-31.indd 298/30/2012 2:51:52 PM8/30/2012 2:51:52 PM
