Abstract: The system and method for installation includes lowering a pile from a surface to an ocean floor and partially embedding the pile. An installation pile is lowered onto the pile and partially embedding over and around the pile. The installation pile is sealed, and water is pumped from the installation pile to embed the installation pile to a set depth and to form a pressurized zone within the installation interior volume. The set depth corresponds to a hydraulic cylinder in the installation pile being made adjacent to the pile. The hydraulic cylinder actuates to embed the pile to an anchor depth, which is the desired depth of the installation. Water is pumped back into the installation pile to release the pressurized zone and to lift the installation pile from the set depth. The installation pile can return to a vessel at a surface.

Abstract: 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.