Patent ID: 9260931
Filing Date: 2016-02-16
CPC Classification: E21B,F16L

Claim Text:
1. A subsea connection, comprising: an upward facing tubular stabbing member coupled to a subsea riser flex joint, the stabbing member having a central axis, an upper end, a radially inner surface extending from the upper end, and a radially outer surface extending from the upper end; a locking overshot coaxially disposed about the upper end of the stabbing member and releasably locked onto the stabbing member, the locking overshot including a tubular body having a lower end, a radially inner surface extending from the lower end, and a radially outer surface extending from the lower end; an annular locking ring disposed in an annulus radially positioned between the stabbing member and the body, wherein the locking ring includes an annular cage and a plurality of circumferentially-spaced locking balls retained by the cage; wherein the annulus has a width W measured radially between the stabbing member and the body, wherein the width W decreases moving axially downward toward the lower end of the body; a biasing member disposed within the annulus and configured to bias the locking ring axially toward the lower end of the body.