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    • 8. 发明申请
    • DEFLECTOR DEVICES
    • 偏光器装置
    • WO0247966A3
    • 2002-08-29
    • PCT/IB0102498
    • 2001-12-12
    • WESTERNGECO SEISMIC HOLDINGSSCHLUMBERGER CA LTDSCHLUMBERGER SERVICES PETROLHOCQUET PHILIPPEKRISTIANSEN OTTAR
    • HOCQUET PHILIPPEKRISTIANSEN OTTAR
    • B63B21/66
    • B63B21/663
    • A deflector device for use with a tow line between a seismic survey vessel and a tow, in particular a streamer or streamer array, in the water behind the vessel comprises a vertically oriented wing-shaped body for producing a sideways force as it is towed through the water, and a towing bridle adapted to connect the wing-shaped body to the tow line. The bridle comprises first and second connecting elements connected between the tow line and respective longitudinally-spaced points along the high pressure side of the wing-shaped body. The wing-shaped body includes one or more buoyancy elements to render it slightly positively buoyant, and the length of at least one of the connecting elements is adjustable by remote contol in order to tilt the wing-shaped body. This gives the sideways force a vertical component, and so allows remote control of the depth of the deflector device, as well as its lateral offset from the vessel.
    • 用于在地震勘测船与拖缆之间的拖曳线,特别是拖缆或拖缆阵列之间的位于船后方的水中的拖曳装置包括垂直定向的翼状本体,用于在拖曳通过时产生横向力 水,以及适于将翼形本体连接到拖曳线的牵引缰绳。 该张紧装置包括第一和第二连接元件,该第一和第二连接元件连接在拖曳线和沿着翼形本体的高压侧的相应的纵向间隔的点之间。 翼形本体包括一个或多个浮力元件以使其稍微正浮力,并且至少一个连接元件的长度可通过远程控制来调节,以便使翼形本体倾斜。 这使侧向力成为垂直分量,因此允许远程控制偏转装置的深度以及其与船舶的横向偏移。