MAINTENANCE METHODS USING MOTORIZED DILFLOATS ON SEISMIC STREAMERS
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Apr 23, 2013
filing date -
Apr 23, 2013
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Abandoned
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Abstract
Methods and systems allow for performing maintenance on a deployed portion of a seismic streamer. A method for raising and lowering a portion of a spread associated with a seismic streamer which is towed by a mother ship, the method including: configuring a device to be movable, wherein the device includes at least two buoyant structures connected by a platform, further wherein the platform includes a winch, a motor and controls associated with the winch and the motor; deploying the device from the mother ship overtop of the portion of the spread to be raised; lowering a line from the device via a winch to a position proximate the portion of the spread to be raised; connecting the line to the portion of the spread; and raising the line and the portion of the spread via the winch to a surface of a body of water.
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