Mobile drilling rig
AssigneeDreco Energy Services Ulc
InventorsKameron Wayne Konduc, Randy Steven Stoik
Life of this patent
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Abstract
A drilling rig may include a pair of main beams supportable by a pair of rails, a substructure, an A-frame secured to the main beams, and a mast pivotably secured to the main beams and configured to lay down in a pre-erected stage. The substructure may include a plurality of pivoting legs, a drill floor having a plurality of spreaders pivotably supported by the plurality of pivoting legs, and a plurality of drill floor subassemblies supported by the plurality of spreaders. The plurality of pivoting legs supporting the spreaders may be configured to lay down in a pre-erected stage as well.
Claims24
A drilling rig, comprising:
- a pair of main beams supportable by a pair of rails;
- a substructure comprising:
- a plurality of pivoting legs;
- a drill floor comprising a plurality of spreaders pivotably supported by the plurality of pivoting legs;
- and
- a plurality of drill floor subassemblies supported by the plurality of spreaders;
- an A-frame secured to the main beams;
- and
- a mast pivotably secured to the main beams and configured to lay down in a pre-erected stage;
- wherein the plurality of pivoting legs supporting the plurality of spreaders are configured to lay down in a pre-erected stage.
A drilling rig, comprising:
- an A-frame portion;
- a mast portion;
- and
- a substructure portion comprising:
- a plurality of drill floor subassemblies;
- and
- means for pivotably erecting the subassemblies,
- wherein the A-frame portion and mast portion are secured to a pair of main beams supportable by a pair of rails, and
- wherein the mast portion is pivotably secured to the pair of main beams and is configured to lay down in a pre-erected stage.
A method for assembling a drilling rig, comprising:
- installing a pair of main beams on a pair of rails;
- installing a plurality of pivoting legs in a laying down position, and configured to pivot into an upright position;
- installing a drill floor pivotably supported on the pivoting legs;
- installing an A-frame;
- installing a mast in a laying down position, and configured to pivot into an upright position;
- erecting the mast by pivoting it into an upright position;
- and
- erecting the drill floor by pivoting the pivoting legs into an upright position.
Dependencies are inferred from the claim text.