System for transporting an offshore structure, the system comprising: a transport apparatus, in particular a vessel or a vehicle, which is configured to receive an offshore structure and to form a slip joint with a slip joint section of a received offshore structure, wherein the system is configured to enter a releasable state, from a fixing state, wherein, in the releasable state, the slip joint formed by the transport apparatus and the offshore structure is smaller than that force in the fixing state.

A device for levelling an offshore foundation construction including a cylinder equipped with a fastening member for removably fastening the cylinder to a part of the offshore foundation construction, a rod mobile in axial translation with respect to the cylinder, the rod including a pushing end so configured to push against a mudmat.

A pile holding system configured to support the pile in an upright position at a pile installation location next to the vessel. The pile holding system includes a pile holder and a pile holder support system. The pile holder support system is configured to be mounted on the deck of the vessel, to moveably support the pile holder, and to move the pile holder in a first direction between an inboard position and an outboard position. The pile holder, when in the outboard position, is located outside the contour of the vessel, for holding the pile in the upright position at the installation location. The pile holder, when in the inboard position with the first and second jaw in the open position, is located within the contour of the vessel.

A method includes mounting a platform deck block to a tower. The platform deck block (500) includes a first frame (515) defining a deck, a plurality of first conductor tubes (505) connected to the first frame, a first plurality of releasable connectors (520) coupled to the first conductor tubes, and a plurality of docking receptacles (800A,800B,800C) defined in the deck. The tower includes a second frame (415), a plurality of second conductor tubes (405) connected to the second frame, and a second plurality of releasable connectors (420) coupled to the second conductor tubes and engaging the first plurality of releasable connectors coupled to the first conductor tubes. The method further comprises mounting a first production block (600) to one of the plurality of docking receptacles.

Marine habitation units are disclosed for use in the open sea. Each unit includes a habitable chamber; a column including a first end, and a second end, opposite the first end, the second end for mounting in a sea bed; and, and, a segment in communication with the habitable chamber, and the first end of the column. The segment is moveable both substantially vertically, and, rotatably, allowing the wherein the habitable chamber and the column to move substantially vertically, and, rotatably, with respect to each other.

There is disclosed a packer and/or gripper element (10), beneficially for use offshore and/or underwater, the packer and/or gripper (10) comprising an inflatable element or cushion (15a, 15b, 15c, 15d), wherein a periphery of the/each inflatable element or cushion (15a, 15b, 15c, 15d) comprises at least one corner, the at least one corner comprising a concave portion (30a, 30b, 30c, 30d). The disclosed packer and/or gripper element (10) comprises a plurality of inflatable elements (15a, 15b, 15c, 15d), each inflatable element (15a, 15b, 15c, 15d) being communicably coupled to an adjacent inflatable element (15a, 15b, 15c, 15d) by a port (155a, 155b) disposed between the inflatable elements (15a, 15b, 15c, 15d).

A method for foundation of a transformer platform having at least four piles (12), in which precisely one pile driver (1) is brought to the location, the pile driver (1) is supported on the seabed (9) by means of extendable supporting legs (7), driving jigs (11) are attached to the pile driver (1), the piles (12) are inserted through the associated driving jigs (11), the piles (12) are successively driven into the seabed (9) whilst maintaining the position of the pile driver (1), upper ends of the piles (12) driven into the seabed (9) are arranged level with or above the associated driving jig (11), the supporting legs (7) of the pile driver (1) are retracted and the pile driver (1) is moved away from the location.

A device for levelling an offshore foundation construction including a cylinder equipped with a fastening member for removably fastening the cylinder to a part of the offshore foundation construction, a rod mobile in axial translation with respect to the cylinder, the rod including a pushing end so configured to push against a mudmat.

A method includes mounting a platform deck block to a tower. The platform deck block (500) includes a first frame (515) defining a deck, a plurality of first conductor tubes (505) connected to the first frame, a first plurality of releasable connectors (520) coupled to the first conductor tubes, and a plurality of docking receptacles (800A,800B,800C) defined in the deck. The tower includes a second frame (415), a plurality of second conductor tubes (405) connected to the second frame, and a second plurality of releasable connectors (420) coupled to the second conductor tubes and engaging the first plurality of releasable connectors coupled to the first conductor tubes. The method further comprises mounting a first production block (600) to one of the plurality of docking receptacles.

A method includes mounting a first jacket connector block (400) to an apparatus. The first jacket connector block includes a first frame (415), a plurality of first conductor tubes (405) connected to the first frame, a first plurality of releasable connectors (420) coupled to first ends of the first conductor tubes, and a second plurality of releasable connectors (420) coupled to second ends of the first conductor tubes and engaging the apparatus.