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US 12,516,576 B2Granted
Drill pipe cleaning systems and methods
AssigneeRIGTOOLS ApS
InventorPer Krogh
Life of this patent
Estimating the term…
Abstract
A drill pipe cleaning system is configured for cleaning external surfaces of sections of a drill pipe to remove earth, drilling mud, and other solid and/or liquid compounds while a drill pipe is being handled in a wellbore or on a drilling rig. The drill pipe cleaning system includes a cleaning ring provided with a ring opening, for receiving the drill pipe, and a number of cleaning belts arranged to engage with and scrape the outer surface of the drill pipe.
Claims20
A drill pipe cleaning system, for cleaning of external surfaces of a drill pipe, comprising:
- a cleaning ring having a ring opening for receiving the drill pipe;
- and
- one or more cleaning belts arranged within the cleaning ring so as to engage an outer surface of the drill pipe;
- wherein each cleaning belt comprises a first end portion mounted to a first mounting structure and a second end portion mounted to a second mounting structure, each of the mounting structures moveably mounted to the cleaning ring,
- wherein a decrease of a distance between the first mounting structure and the second mounting structure results in the cleaning belt being tightened around the drill pipe,
- wherein the cleaning ring comprises a rotatably mounted toothed wheel and a motor having a gear that engages teeth of the toothed wheel.
3 more elements
Dependencies are inferred from the claim text.