20150191982 | Device Arranged for Attaching a Pipe Stem on a Tubular Body - An attachment device for an element is made to be arranged on a downhole tubular body, in which an end portion of a sleeve, which is arranged to surround a portion of the tubular body, comprises an attachment portion. The attachment portion comprises at least one clamping element arranged for axial displacement by the abutment of an abutment surface against a conical abutment portion of a surrounding adapter sleeve. | 07-09-2015 |