| 摘要 |
A connection assembly, for connecting a downhole tool to coiled tubing, having a gripper 2 to pass over a tube 3 in a first configuration, and to grip the outside of the tube in a second configuration when compressed. The assembly comprising a top sub-assembly 1 with an aperture to allow it to be passed over the tube 3 and a gripper 2; a seal housing 16 having an aperture to allow it to be passed over the end of the tube and an abutment face for forming a seal against a face of a sealing ring 17, to seal between the abutment face and the end face of the tube; an initiator ring 18 formed of relatively deformable material and interposed between the seal ring housing and the gripper; a seal housing carrier 29 to receive the seal housing from one end only, and to allow access to a face of said seal housing from the other end. The top sub-assembly and seal housing carrier are adapted to be releasably held together to trap the gripper. |
