Pipe joints or couplings – Frangible element
Patent
1979-07-13
1981-12-29
Arola, Dave W.
Pipe joints or couplings
Frangible element
166214, 285 39, 285 86, 285315, 285319, F16L 3500
Patent
active
043079024
ABSTRACT:
The present invention discloses a riser connector assembly for connecting two riser members. The riser connector assembly includes connecting means which are remotely activated by a shifting tool. The connecting means includes a latch attached to one riser member and which engages the other riser member, a locking sleeve for holding the latch in engagement, an actuator sleeve for driving said locking sleeve to a position where it holds the latch in engagement, and locking means for locking the locking sleeve in that position. The shifting tool is attached to a tubing string or a line and lowered into the riser. The shifting tool has a first engagement means for engaging and moving the actuator sleeve and second engagement means for engaging and moving the locking sleeve. The shifting tool is used for remotely activating the connecting means in both connecting and disconnecting the riser members.
REFERENCES:
patent: 3071188 (1963-01-01), Raulins
patent: 3222088 (1965-12-01), Haeber
patent: 3330341 (1967-07-01), Jackson et al.
patent: 3450421 (1969-06-01), Harwell
patent: 3521909 (1970-07-01), Brown
patent: 3912009 (1975-10-01), Davis
patent: 3915226 (1975-10-01), Savage
patent: 4040649 (1977-08-01), Blackwell
patent: 4074912 (1978-02-01), Bilderbeck et al.
Arola Dave W.
Otis Engineering Corp.
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