Abandonment

Hot Tap Tool

The Hot Tap Tool has been designed and proven to clamp onto, seal and create orifices in rigid pipelines/flowlines in a single operation whilst the pipeline/flowline is still under pressure.

 

Features

Suitable for pipe up to 168mm OD

Suitable for pipe WT up to 11mm

Punched orifice size – up to 40mm

Pipe internal pressure – up to 200bar

Combined claming and sealing mechanism

Primary seal – Elastomer

Secondary seal – Sealant Injection (contingency)

Integral depressuring and flushing pipework

Perforation of the pipeline is achieved without creating any swarf and with the coupon (tab) created during perforation remaining attached to the pipe. Two variants of the tool have been designed; one with rigid buoyancy to deliver a required submerged weight and one with attachment points for adjustable inflatable buoyancy (e.g. lift bags).

Functionally, the tools are identical but are geometrically different in some aspects, driven by the differing geometric constraints of their original areas of application. Although originally intended for use on horizontal runs of rigid spools on or near the seabed, the HTT can be used on pipework in any orientation.

Datasheet

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