Patent ID: 9617798
Date: 2017-04-11
CPC Classifications: E21B

Claim:
1. A tubular component for a drill stem for drilling a hole, the component comprising: a first end section comprising a first threading; a second end section comprising a second threading; a substantially tubular central section; a hole provided in at least one of the first and second end sections; and a tensioner for a communications tube disposed in the hole, the tensioner operating by deformation of a regular section of the communications tube, the tensioner being disposed in a housing provided in at least the section, at a distance from the ends of the communications tube, the housing intersecting with the hole, wherein the communications tube is disposed at least in a central section and in the hole, communications tube comprising two ends and a regular section passing through the housing, and wherein the communications tube has at least two inversions of curvature over a portion with a length of less than 100 mm after deformation.