Patent ID: 6494397
Filing Date: 2002-12-17
Classification: B65H,E21B,Y10T

Abstract:
A reeling mechanism for coiled tubing comprising:a reel section with coiled tubing, a reel cradle section, and means for unwinding or rewinding the coiled tubing from or onto the reel section when the coiled tubing is inserted into or withdrawn from the well, wherein the reel section with the coiled tubing has a pallet section arranged thereon and located beneath an axis of rotation of the reel section with the coiled tubing, and which is adapted to secure the reel section with the coiled tubing, and wherein the pallet section comprises guide elements for running along guiding parts positioned on the reel cradle section, so that the reel section with the coiled tubing and the reel cradle section may be connected automatically and in a controlled manner, and wherein the guide elements extend from first and second side edges of the pallet section facing the reel cradle section, so that the guide elements of each respective side edge form a gap for each guiding part, and wherein the guide elements on the first side edge of the pallet section are formed so that terminal edges facing a first of the guiding parts extend essentially perpendicular to the first side edge of the pallet section, and wherein the guide elements of the second side edge of the pallet section are formed so that first and second terminal edges facing a second of the guiding parts are sloping outwards in a portion by the first and second side edges and essentially perpendicular to the first and second side edges of the pallet section in a following portion.