Page 70: of Maritime Reporter Magazine (April 2015)

OFFSHORE SERVICE VESSELS

OSV Technology

Though the market for

Offshore Support Vessels (OSVs) is soft, advances in technology, ? t and ? n- ish in the sector is unri- valed in any other mari- time niche over the past ? ve years. Here’s a look at some of the more notable designs and deliveries.

Harvey Energy ew vessels have inspired as Pac system. The 5,150 dwt vessel is ca- delivering equipment and drilling ? u- much attention or coverage pable of carrying 253,000 USG of fuel ids. Two additional LNG-fuelled ves- as the Harvey Energy, the oil, 18,000 bbls of liquid mud, 1,600 sels are expected to follow.

F? rst OSV of its kind in North bbls of methanol, 10,250 cu. ft. of dry Harvey Gulf is the ? rst of six LNG

America, able to run on both Lique? ed cement and 78,000 USG of LNG fuel. OSVs being built for Harvey Gulf.

Natural Gas (LNG) and diesel. Harvey The vessel is able to operate on LNG When operating on only LNG, this ves-

Energy, chartered to Shell for its deep- for seven days before refueling. To in- sel meets the new Tier IV sulfur and water operations in the Gulf of Mexico crease ef? ciency, Harvey Energy uses nitrogen oxide emissions regulations— and owned by Harvey Gulf Internation- Shell’s Gadinia 40 engine oil. It will part of the North American Emission al marine, was built by the Gulf Coast run on 99% LNG fuel and will be able Control Area (ECA).

Shipyard in Mississippi to meet require- to operate for around seven days before While the Harvey Gulf is widely laud- ments of the ABS “ENVIRO+, Green refueling, loading fuel from Harvey ed for its advanced propulsion technol-

Passport” notation. Harvey Energy is a Gulf’s new LNG bunkering facility at ogies, not to be overlooked is the inte- 310 x 64 x 24.5-ft. platform supply ves- its terminal at Port Fourchon, La. rior ? t and ? nish on the boats, designed sel powered by three Wärtsilä 6L34DF From Port Fourchon, Harvey Energy to help attract and retain the best crews dual fuel gensets, providing 7.5 MW of will transit to Shell’s platforms, such as possible in what can be a competitive power and fueled by Wärtsilä’s LNG- the new Olympus production platform, environment with high turnover. While 70 Maritime Reporter & Engineering News • APRIL 2015

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