US 9,810,354 B2
Connection methods and systems
Kirk P. Guidry, Cypress, TX (US); Dennis P. Nguyen, Pearland, TX (US); Joseph R. Wilhelmi, Houston, TX (US); and Terry L. Shinn, Houston, TX (US)
Assigned to Cameron International Corporation, Houston, TX (US)
Filed by Cameron International Corporation, Houston, TX (US)
Filed on Apr. 11, 2014, as Appl. No. 14/251,563.
Application 14/251,563 is a continuation of application No. 13/707,574, filed on Dec. 6, 2012, granted, now 8,696,039.
Application 13/707,574 is a continuation of application No. 12/746,922, granted, now 8,328,242, previously published as PCT/US2009/030489, filed on Jan. 8, 2009.
Claims priority of provisional application 61/022,622, filed on Jan. 22, 2008.
Prior Publication US 2014/0217724 A1, Aug. 7, 2014
This patent is subject to a terminal disclaimer.
Int. Cl. F16L 19/02 (2006.01); E21B 17/046 (2006.01); E21B 33/038 (2006.01)
CPC F16L 19/0206 (2013.01) [E21B 17/046 (2013.01); E21B 33/038 (2013.01); Y10T 29/49947 (2015.01)] 33 Claims
OG exemplary drawing
 
1. A system, comprising:
a coupling, comprising:
a collar comprising first threads along a first end portion and second threads along a second end portion;
a first load ring having first mating threads; and
at least one anti-rotation structure configured to be disposed in a first position to block rotation of the first load ring and guide movement of the first load ring along a first axial path in a first threaded engagement between the collar and the first load ring, wherein the first threaded engagement comprises the first threads mated with the first mating threads, and the at least one anti-rotation structure is configured to be removed from the first position to enable rotation of the first load ring after the first load ring and the collar are coupled together via the first threaded engagement.