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1. (WO2018200601) SELF-LIMITING C-RING SYSTEM AND METHOD

Pub. No.:    WO/2018/200601    International Application No.:    PCT/US2018/029239
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Thu Apr 26 01:59:59 CEST 2018
IPC: E21B 17/02
F16L 37/088
Applicants: VETCO GRAY INC.
Inventors: ZHU, Baozhi
MCELMURRY, Luke, Andrew
BARNHART, Daniel
FORD, David, L.
DUNN, Gregory, Matthew
Title: SELF-LIMITING C-RING SYSTEM AND METHOD
Abstract:
Embodiments of the present disclosure include an apparatus for forming a tubular fitting includes an annular body having an axial height and radial thickness. The apparatus also includes an inner ami forming at least a portion of the annular body, the inner arm positioned at a first end of the annular body with an inner arm thickness that is less than the radial thickness. The apparatus includes an outer arm forming at least a portion of the annular body, the outer arm positioned at a second end of the annular body with an outer arm thickness that is less than the radial thickness. Also, the apparatus includes one or more self-liniiiing features that control movement of the inner arm and the outer arm relative to one another.