Wellhead Alignment

TMT Wellhead Alignment Frame (WHAF)

The TMT Wellhead Alignment Frame (WHAF) is designed to be attached to subsea infrastructure on the rig and then lowered through the moonpool.

 

Features

Bullseye type and resolution flexibility

Full galvanic isolation from wellhead

Guide base not required

Robust

ROV retrievable

Optional transponder buckets

Can be customized to suit

Once subsea, the ROV is able to fly up and press against the bumper unit; from there, the ROV can give a heading to determine the orientation of structure. Once the structure has been landed, the ROV uses the Bullseye to check that the angle of the structure is within acceptable limits.

An optional ROV docking probe interface compliant with ISO 13628-8:2002(E) is available.

Datasheet

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