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Subsea 3D Model of Damaged Wellhead

During installation, a wellhead was impacted by a blow-out preventer (BOP), resulting in inward bending of the inner tree hub, deformation and smearing of material at the top and outer BOP mating surfaces of the outer hub, and wedging of the gasket between the inner and outer hubs. The client required the geometry of the wellhead to facilitate removal and replacement of the damaged gasket.

Welaptega constructed two 3D models to provide the geometry of the wellhead prior to, and following the removal of the gasket. A marker and two magnets were placed on the wellhead during photography to provide scaling references.

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