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Tool assembly for installing a suction pile
The subsea support system includes a suction pile installed underwater without a remote operated vehicle (ROV). A drilling rig or offshore windfarm can be anchored by the suction pile in relatively shallow water with reduced equipment and costs. The system includes a suction pile, a vent valve assembly made integral with the suction pile, and an installation tool assembly removably attached to the vent valve assembly by a clamping device. The system is connected on a vessel before being deployed. Once lowered to the subsea location, the installation tool assembly actuates a seal plate to positions corresponding to closing the suction pile, pumping water through the vent valve assembly to embed the suction pile, and sealing the suction pile at the desired depth. The installation tool assembly can be released by the clamping device to separate from the vent valve assembly and return to the vessel for reuse.
Tool assembly for installing a suction pile
The subsea support system includes a suction pile installed underwater without a remote operated vehicle (ROV). A drilling rig or offshore windfarm can be anchored by the suction pile in relatively shallow water with reduced equipment and costs. The system includes a suction pile, a vent valve assembly made integral with the suction pile, and an installation tool assembly removably attached to the vent valve assembly by a clamping device. The system is connected on a vessel before being deployed. Once lowered to the subsea location, the installation tool assembly actuates a seal plate to positions corresponding to closing the suction pile, pumping water through the vent valve assembly to embed the suction pile, and sealing the suction pile at the desired depth. The installation tool assembly can be released by the clamping device to separate from the vent valve assembly and return to the vessel for reuse.
Tool assembly for installing a suction pile
MOHRFELD AUSTIN T (author)
2018-01-16
Patent
Electronic Resource
English
A raft structure and Method for installing suction pile using the same
European Patent Office | 2017
A RAFT STRUCTURE AND METHOD FOR INSTALLING SUCTION PILE USING THE SAME
| European Patent Office | 2016