DRILL PIPE AND CORRESPONDING DRILL FITTING - Archive ouverte HAL Accéder directement au contenu
Brevet Année : 2012

DRILL PIPE AND CORRESPONDING DRILL FITTING

, (1)
1
Jean Boulet
  • Fonction : Auteur

Résumé

A drillpipe for a drill stem to drill a hole. The drill stem includes a drill string and a bottom hole assembly. The drillpipe includes a first end having a first inertia, a second end having a second inertia, a first intermediate zone adjacent to the first end, a second intermediate zone adjacent to the second end, and a central substantially tubular zone with an external diameter smaller than the maximum external diameter of at least the first or the second end. A casing is fixed on the pipe over a portion of the external surface thereof, at least one physical parameter sensor is disposed in the casing, and at least one data transmission/storage mechanism is connected to the sensor output, the casing being disposed at a distance from the first and second ends, the casing being integral with the central zone at a distance from the first and second intermediate zones and having a smaller inertia than the first and second inertias.
Fichier non déposé

Dates et versions

hal-00749154 , version 1 (06-11-2012)

Identifiants

  • HAL Id : hal-00749154 , version 1

Citer

Jean Boulet, Stéphane Menand. DRILL PIPE AND CORRESPONDING DRILL FITTING. Patent n° : US 2012/0199400 A1. 2012, pp.21. ⟨hal-00749154⟩
121 Consultations
0 Téléchargements

Partager

Gmail Facebook Twitter LinkedIn More