Harvey Gulf for First U.S. Flag LNG Ships

January 1, 2012 in LNG, Marine by Rich Piellisch  |  No Comments

Harvey Gulf Orders Two LNG-Fueled Offshore Support Vessels,
Sees Plenty of Fueling Options by the Time They Enter Service

New Orleans-based Harvey Gulf International Marine has ordered a pair of 300-foot OSVs for Gulf of Mexico deepwater support operations. They will be the first U.S. flag vessels to be fueled primarily by liquefied natural gas.

The Harvey Energy and the Harvey Power with Wärtsilä diesel-electric drive, powered by three (dual fuel) engines, are being built by Trinity Offshore in Gulfport, Miss. for commissioning in November 2013 and February 2014, respectively.

LNG Pioneer: New Orleans-based Harvey Gulf International Marine has ordered a pair of 300-foot OSVs for Gulf of Mexico deepwater support operations. They will be the first U.S. flag vessels to be fueled primarily by LNG.


The engines are 6L34DF models from Wärtsilä. Each of the six-cylinder engines generates 2,610 kilowatts, or 3,500 horsepower. “We opted for the slower speed, heavier duty engines,” says Harvey Gulf deepwater operations VP Chad Verret. Because it’s a Category III engine with displacement greater than 30 liters per cylinder, he explains, the U.S. EPA accepts existing IMO standards.

Onboard LNG tanks with capacity of nearly 77,000 gallons – enough for about ten days operation – will be selected by Wärtsilä. Wärtsilä is being urged to use American suppliers, Verret says.

6L34DF -- for dual fuel -- engine by Wärtsilä generates 3,500 horsepower

6L34DF — for dual fuel — engine by Wärtsilä generates 3,500 horsepower

Will fuel be available? “Absolutely. No issue at all,” Verrett says. Already, he told F&F, “There are multiple suppliers of LNG with various means of delivery.”

Shane Guidry, chairman & CEO of Harvey Gulf, will outline the company’s plans and his vision for LNG fuel demand from Gulf marine fleets at the World LNG Fuels Conference & Exhibition hosted by Zeus Development January 25-26 in Houston.

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