Cameron Iron Works USA, Inc.

David G Knowles

A retrievable guide post for installation in a subsea structure such as a template or a permanent guide base receptacle and for retrieval therefrom including a tubular body, a sleeve slidable axially on the lower exterior of the tubular body, a groove in the exterior of the sleeve a short distance below its upper end, a groove in the exterior of the tubular body a short distance above the uppermost position of the upper end of the sleeve, a split latching ring supported on the exterior of the tubular member immediately below the lower end of the sleeve in its upper position, a support ring positioned below the split latching ring to support the latching ring at its desired latching level, a pin and slot connection between the support ring to the tubular body to allow relative limited axial motion of the support ring on the tubular body and a shear pin releasably securing the support ring to the tubular body.

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Cleckheaton, United Kingdom

David G Knowles