Search International and National Patent Collections

1. (WO2018158707) TORQUE SHOULDER OF A PREMIUM CONNECTION

Pub. No.:    WO/2018/158707    International Application No.:    PCT/IB2018/051287
Publication Date: Sat Sep 08 01:59:59 CEST 2018 International Filing Date: Thu Mar 01 00:59:59 CET 2018
IPC: E21B 17/042
F16L 15/08
Applicants: ARCELORMITTAL TUBULAR PRODUCTS LUXEMBOURG S.A.
Inventors: EVANS, Merle E.
VAN WITTENBERGHE, Jeroen Stijn Juliaan
Title: TORQUE SHOULDER OF A PREMIUM CONNECTION
Abstract:
A threaded tubular connection includes a pin having external threads, a pin seal surface, and a pin torque shoulder at a free end and a box for receiving the pin, a box seal surface for contacting the pin seal surface and a box torque shoulder for contacting the pin torque shoulder. The pin torque shoulder has a curved pin shoulder surface. The box torque shoulder has a curved box shoulder surface.