US 11,988,048 B2
Self-locking coupler
Stephen Michael Greci, Little Elm, TX (US)
Assigned to HALLIBURTON ENERGY SERVICES, INC, Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Aug. 26, 2021, as Appl. No. 17/412,628.
Application 17/412,628 is a continuation of application No. 15/779,022, granted, now 11,131,152, previously published as PCT/US2016/024542, filed on Mar. 28, 2016.
Prior Publication US 2021/0388680 A1, Dec. 16, 2021
Int. Cl. E21B 17/043 (2006.01); E21B 17/046 (2006.01)
CPC E21B 17/043 (2013.01) [E21B 17/046 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method to engage adjacent tubing sections, the method comprising:
engaging a seal ring to a first tubing section, the seal ring having a cavity along an external surface of the seal ring;
engaging a coupling shroud to a second tubing section, the coupling shroud having an external interface proximate to a first end of the coupling shroud and a set of collet fingers extending from the first end of the coupling shroud; and
attaching a second seal ring onto the second tubing section wherein the coupling shroud comprises a threaded internal interface proximate to a second end of the coupling shroud, and wherein engaging the coupling shroud to the second tubing section comprises threading the threaded internal interface of the coupling shroud onto a threaded external interface of the second seal ring.