Patent ID: 9725972
Date: 2017-08-08
CPC Classifications: E21B

Claim:
1. A system for drilling or servicing a well with coiled tubing, comprising: a rotatable base comprising a bearing system rotatably fixing the base to a floor, a reel assembly comprising a support structure adapted to support a reel of coiled tubing, the support structure comprising an alignment system to align the coiled tubing with the well as the coiled tubing is payed on and off the reel; the reel assembly located near a periphery of the base; a coil tubing injector head disposed adjacent the reel assembly and aligned with the well; a swivel support assembly having a swivel supported by first and second support members, wherein the first member is coupled to the base and the second member is coupled to the floor, and wherein the longitudinal axis of the swivel is situated in substantial alignment with the well; a counterbalance assembly located on the base substantially opposite the reel assembly and moveable toward and away from the reel assembly to maintain balance of the rotatable base as coiled tubing is payed on and off the reel; and a motive system for turning the base and thereby transmitting torque to the coiled tubing in the well.