Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate
2011-03-08
2011-03-08
Marcelo, Emmanuel M (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
C254S269000, C254S273000, C254S277000
Reexamination Certificate
active
07900893
ABSTRACT:
A method for controlling the tension in a spooled device disposed on a winch, comprises providing an input signal to a controller indicative of a measured tension in the spooled device, providing an input signal to the controller indicative of a desired tension in the spooled device, and providing an output signal from the controller to adjust the speed of the winch based on a difference between the desired tension in the spooled device and the measured tension in the spooled device.
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Aubry Dominique
Breard Stephane
Teurlay Lucas
DeStefanis Jody Lynn
Flynn Michael L.
Hofman David
Marcelo Emmanuel M
Schlumberger Technology Corporation
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