Patent ID: 9739400
Date: 2017-08-22
CPC Classifications: E21B,F16L

Claim:
1. A coupling for connecting tubular elements for an oil well installation, comprising: a tubular body, with two ends of the body each comprising a portion of internal threading to join to a tubular element, the tubular body further comprising a central portion separating the two ends each comprising a portion of threading and having a wall thickness greater than a wall thickness of the ends of the body; and an extension segment that extends from one of the ends of the tubular body, after the portion of internal threading, the extension segment having a same outside diameter as that of the tubular body and an inside diameter greater than or equal to that of the portion of internal threading, wherein the extension segment comprises a housing, comprising an opening onto an external surface of the coupling, inside which an electronically responsive identification tag is housed.