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US 11,725,457 B2Granted
Drilling apparatus and related method
AssigneeWatson, Incorporated
InventorsDouglas A. Watson, Joshua N. Keck
Life of this patent
Estimating the term…
Abstract
One or more apparatuses are described for drilling, and related methods. The apparatus can include a mast articulation mechanism supported by a base structure, an elongated mast, and a mast actuator.
Claims12
A drilling rig comprising:
- (A) a mast articulation mechanism supported by a base structure
- (B) an elongated mast secured to the mast articulation mechanism, wherein the elongated mast comprises an upper mast portion, a lower mast portion, a rotary drive, one or more Kelly elements, wherein the elongated mast is configured to pivot the one or more Kelly elements downward toward the ground and sideward relative to the lower mast portion so as to position the one or more Kelly elements alongside the lower mast portion when the elongated mast is stowed in a travel position that is substantially horizontal and substantially parallel to the longitudinal axis of the base structure;
- and
- (C) a mast actuator secured to the mast articulation mechanism and the elongated mast so as to permit pivoting of the elongated mast between the travel position and a vertical position relative to the longitudinal axis of the base structure.
1 more element
Dependencies are inferred from the claim text.