Patent ID: 6196325
Filing Date: 2001-03-06
Classification: E21B

Abstract:
A cablehead for use with coiled tubing electric line in well operations, said cablehead comprising:a housing comprising:an upper housing adapted for connection to a length of coiled tubing;a lower housing adjacent to said upper housing; anda shearing means for shearably attaching said lower housing to said upper housing, said shearing means being shearable in response to relative movement between said upper housing and said lower housing such that said upper housing and said lower housing are separated when tension is applied to the coiled tubing;locking means, disposed between said upper and lower housings, for preventing said relative movement and thereby preventing shearing of said shearing means when said locking means is in a locked position and allowing shearing of such shearing means when said locking means is in an unlocked position by said relative movement; anda piston slidably disposed in said housing, said piston having a running position holding said locking means in said locked position and being movable to a releasing position allowing movement of said locking means to said unlocked position.