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US 2009/0056953 A1Published application
Enclosed coiled tubing rig
AssigneeNabors Global Holdings Ltd.
InventorsDonovan Korach, Drew Byers
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Abstract
An apparatus comprising a mobile trailer, a coiled tubing unit coupled to the mobile trailer, and an enclosure surrounding the coiled tubing unit. The coiled tubing unit may comprise a coiled tubing reel and a coiled tubing injector, wherein the reel and the injector may be positionally fixed relative to one another and collectively move relative to the mobile trailer as an integral unit.
Claims23
An enclosed coiled tubing apparatus, comprising:
- a mobile trailer;
- a coiled tubing unit releasably coupled to the mobile trailer;
- and
- an enclosure surrounding the coiled tubing unit to maintain an adequate temperature to prevent freeze up.
1 more element
(canceled)
(canceled)
A method of extending a wellbore in a subterranean formation, comprising:
- translating a coiled tubing unit within an enclosure to a first position and then inserting a bottom hole assembly (BHA) into the wellbore using a lifting system while the coiled tubing unit is in the first position, wherein the coiled tubing unit and at least a portion of the lifting system are enclosed within the enclosure, and wherein the coiled tubing unit comprises coiled tubing, a coiled tubing reel and a coiled tubing injector;
- and
- translating the coiled tubing unit within the enclosure to a second position and then coupling the coiled tubing to the BHA and operating the BHA to extend the wellbore while the coiled tubing unit is in the second position.
Dependencies are inferred from the claim text.