Patent ID: 9255453
Filing Date: 2016-02-09
CPC Classification: E21B

Claim Text:
1. A heavy duty riser connector assembly for joining together and sealing sections of riser pipe comprising: a. an upper connector housing for engaging an upper riser joint; b. a lower connector housing for engaging a lower riser joint and the upper connector housing; c. a longitudinal axis extending through the upper and lower connector housings; d. a plurality of upper housing grooves and ribs formed circumferentially on an outer diameter of the upper connector housing; e. a plurality of lower housing grooves and ribs formed circumferentially on an outer diameter of the lower connector housing; f. a plurality of flexible collets integrally formed as part of at least one of: the upper connector housing, the lower connector housing, or both, wherein each of the flexible collets of the plurality of flexible collets passes over a portion of the plurality of grooves and ribs of one of the upper connector housing and the lower connector housing to engage the other one of the upper connector housing and the lower connector housing; g. a permanent locking sliding sleeve for sliding over both connector housings to permanently lock together the upper and lower connector housings; h. a receiving groove formed on the lower connector housing adapted to receive the permanent locking sliding sleeve, wherein the receiving groove constrains the movement of the permanent locking sliding sleeve and holds the permanent locking sliding sleeve in place; and i. a locking detent ring adapted to pop out and lock the permanent locking sliding sleeve in place so the permanent locking sliding sleeve is not effected by vibration when the permanent locking sliding sleeve has been slid over the plurality of flexible collets; and