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WSSD Report FINAL! - OGP

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CONTRIBUTING TO SUSTAINABLE DEVELOPMENT<br />

Oil spill prevention and response<br />

Double hulls prove their worth<br />

US law mandates that from 2015, only doublehulled<br />

vessels can call on American ports.<br />

Conoco began operating a 100 per cent doublehulled<br />

fleet of crude oil tankers in US waters as far<br />

back as August 1998. In December 1998, the company<br />

began operating a fleet of 100 per cent double-hulled<br />

oil tank barges in US Gulf Coast waters.<br />

Double-hulled structures provide an<br />

additional measure of protection<br />

against oil spills. Unlike some<br />

other vessels, tankers’ double<br />

hulls encapsulate the engine<br />

room, machinery spaces, fuel<br />

oil tanks and engine room<br />

bilge areas as well as all sides<br />

and the bottom of the vessels<br />

themselves. Conoco’s two<br />

newest double-hulled tankers<br />

feature many safety and environmental<br />

protection innovations, including low-emission<br />

engines, an at-sea ballast system and a hull protection<br />

system—all meeting or exceeding marine regulations<br />

and standard practices.<br />

Internationally, delegates from IMO’s 158 member<br />

states have agreed within the Marine Environment<br />

Protection Committee to a timetable that will see<br />

most single-hulled oil tankers eliminated by 2015.<br />

When the<br />

Guardian,one of<br />

Conoco’s doublehulled<br />

tankers, was<br />

rammed in 1997,<br />

not one of the<br />

ship’s 550,000<br />

barells of crude oil<br />

was spilled.<br />

43

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