Patent ID: 8181697

Claim:
A multi-function rig for performing rig operations on a plurality of spaced-apart wellbore locations at a single wellbore location site, said multi-function rig configured to be movable between multiple wellbore location sites, the multi-function rig comprising: a rig structure configured to be positioned adjacent to said plurality of spaced-apart wellbore locations at said single wellbore location site; a plurality of machines operatively coupled to said rig structure and configured to perform at least one of said rig operations on each of said plurality of spaced-apart wellbore locations, wherein each of said plurality of machines is configured to be supported by at least one pressure-retaining device associated with at least one of said plurality of spaced-apart wellbore locations while performing said at least one of said rig operations, and wherein at least one of said plurality of machines is configured to be movable relative to said rig structure to positions proximate at least one of said plurality of spaced-apart wellbore locations without moving said multi-function rig from said single wellbore location site; and at least one of said plurality of machines being configured as a drilling machine to perform a drilling operation, and configured to be movable relative to said rig structure to positions proximate at least one of said plurality of spaced-apart wellbore locations.