F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 15/06 (2006.01) E21B 17/02 (2006.01)
Patent
CA 2697539
A threaded oilfield tubular connection 10 includes a pin member 12 having a first external tapered thread 24 and a second external tapered thread 26. A box member includes a first internal tapered thread 14 and a second internal tapered thread 16. Helical torque shoulders 40, 42 are provided on the pin member and the box member axially spaced between the respective first and second threads. The helix of each torque shoulder includes a plurality of revolutions with compression flanks on both the pin member and the box member.
Cette invention se rapporte à un raccordement tubulaire fileté de gisement pétrolifère 10 comprenant un élément tige 12 comportant un premier filetage conique externe 24 et un second filetage conique externe 26. Un élément boîtier comprend un premier filetage conique interne 14 et un second filetage conique interne 16. Des épaulements de couple hélicoïdaux 40, 42 sont situés sur l'élément tige et l'élément boîtier et axialement espacés entre les premiers et seconds filetages respectifs. L'hélice de chaque épaulement de couple comprend une pluralité de révolutions avec des flancs de compression à la fois sur l'élément tige et l'élément boîtier.
Bailey Andyle Gregory
Breihan James
Hegler Matthew
Robic
Vam Usa Llc
LandOfFree
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