Subsea guidepost latch mechanism and method for using

Details Subsea guidepost latch mechanism and method for using Subsea guidepost latch mechanism and method for using

1988-09-21

1989-05-09

Novosad, Stephen J.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166340, 166342, 166349, 403322, E21B 2302, E21B 4301, F16L 3708

Patent

active

048280356

ABSTRACT:
A subsea guidepost latch mechanism which latches a guidepost to a guidepost-receptacle by means of an external snap ring on the guidepost and an internal groove in the guidepost-receptacle. The snap ring is held in the groove by a collet inside the snap ring which is forced outward by an inner mandrel in the guidepost when upward tension is placed on the mandrel by a guideline. The guidepost is released from the guidepost-receptacle by releasing tension on the guideline which allows the mandrel to drop, releasing outward force on the collet and the snap ring. This allows the snap ring to be pulled out of the guidepost-receptacle groove.

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