Project Summary

In May of 2004, the 4,000 t drilling module for the BP HOLSTEIN Spar was successfully loaded out onto the 400 x 100 ft Crowley cargo barge ATKA. The module was constructed by AMFELS in Brownsville, TX, and upon completion, it was skidded onto the barge, using hydraulic push/pull units. To facilitate break-out, additional push jacks were placed behind the skid shoes. During the skidding operation, the barge was continuously ballasted to compensate for the weight coming onboard, as well as for the changes in tide. After loading, the module was seafastened for the tow to its offshore installation site.

Scope of Work

The project scope included:


Project Photographs

specialists in marine heavy-lift transportation engineering
naval architects
marine surveyors

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Est. 1992

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Review and comment on the proposed load-out procedures;
Review and verify the ballast procedures;
Facilitate a HAZOP/HAZID session for the load-out;
Provide on-site assistance during the actual load-out operation.
Holstein drilling module skidded on barge
HOLSTEIN drilling module slowly skidded on the barge ATKA
Hydraulic pull jacks
Hydraulic pull jacks
Booster jacks for break-out
Booster jacks for break-out
First skid shoe pulled on barge
First skid shoe pulled on barge
Module slowly coming onto barge
Module slowly coming onto barge