Boost system for a hoisting system
AssigneeSchlumberger Technology Corporation
InventorsDag Holen, Arve Pedersen, Haavard Saetervik
Life of this patent
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Abstract
A boost system for a hoisting system includes a track configured to couple to a mast. The boost system also includes a boost assembly with an upper climb unit with a respective hook configured to selectively engage openings in the track, a lower climb unit with a respective hook configured to selectively engage the openings in the track, and a boost actuator configured to drive the upper climb unit along the track and relative to the lower climb unit to provide a supplemental force to a yoke of the hoisting system.
Claims7
A boost system for a hoisting system, the boost system comprising:
- a track configured to couple to a mast;
- and
- a boost assembly comprising:
- an upper climb unit with a respective hook configured to selectively engage openings in the track;
- a lower climb unit with a respective hook configured to selectively engage the openings in the track;
- and
- a boost actuator configured to drive the upper climb unit along the track and relative to the lower climb unit to provide a supplemental force to a yoke of the hoisting system.
A method of operating a boost system, the method comprising:
- while a lower climb unit is secured to a track, extending a boost actuator to drive an upper climb unit along a first section of the track to provide a supplemental force to a yoke of a hoisting system.
Dependencies are inferred from the claim text.