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    Hornbeck Offshore introduces first of two huge MPSVs into service

    Vessel & ROV News // January 6, 2010

    Hornbeck Offshore Services in the US has announced that it has taken delivery of and introduced into service HOS Centerline, a Jones Act-qualified, 370ft multi-purpose support vessel (MPSV). 

    Said the company: "The HOS 370 design, with an 8,000+ deadweight-ton capacity represents the largest and most diverse DP-2 classed offshore supply vessel available today. HOS Centerline is the only vessel in the world to have received certifications by the United States Coast Guard allowing operations as a supply vessel, industrial/construction vessel and as a petroleum and chemical tanker."

    HOS Centerline was added to Hornbeck's fleet in February 2009 and achieved its multi-certifications under Subchapters “L’, “I”, “D” and “O” in October, 2009. Her sister-vessel, HOS Strongline will join the fleet in early 2010 and is expected to receive the same regulatory pedigree. Both vessels will be based at the company’s shorebase facility, HOS Port, located in Port Fourchon, Louisiana. 

    The company acquired the HOS Port facility and its heavy lift capabilities in order to accommodate its growing fleet of large dimension vessels, including the HOS Centerline and HOS Strongline.     
     
    The unique vessels have the capacity to transport more than 30,000 barrels of liquid drilling mud and fuel to and from exploration, development and production projects.  Positive displacement pumping systems allow the vessels to provide a consistent transfer of product even at installations with large air gaps. 

    HOS Centerline boasts a self-contained mixing and cleaning system that significantly reduces the risk of drilling fluid collapse as well as reduces the time necessary to clean storage tanks, which is a cost normally borne by its customers. Mud mixers utilize low inertia paddles to reduce the fall-out of the mud and provide for a consistent mix. The vessel’s significant size, 8,400kW of available propulsion, power and DP-2 capability allows it to continue cargo transfer operations during sea and weather conditions that prevent smaller vessels from working. 
     
    With its subchapter ”D” and “O” certifications, HOS Centerline can carry crude oil as well as other flammable and combustible cargoes in significant quantities from offshore drilling and production sites. 

    The vessels offer 18 tanks with three separate segregations that allow the transport of three separate products at the same time. This feature makes the vessel an excellent platform for various well test, flow-back and dewatering projects in deepwater and ultra-deepwater. The vessel can also be utilized for emergency export of crude oil and other fluids during times of or following disruptions, such as hurricanes.

    The HOS 370-class cargo deck dimension is 240ft x 58ft (1,287m2) and complemented by an additional 30ft x 58ft of covered deck space, which is unparalleled in the industry. The vessels have multi-functional ISO sockets integrated into the bow to accept standard sized containers to increase loading productivity and eliminate the use of traditional chains and binders. 

    HOS Centerline has accommodation for up to 78 personnel, in excess of the vessel’s crew. The large deck and ample quarters provide an excellent platform for subsea construction operations.  
     

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