Disclosed are systems for securing a bend stiffener to a riser in an offshore energy production facility. In one system, the lower end of the bend stiffener has a magnet that repels a magnet in a clamp on the riser a distance below the bend stiffener. The magnets repel one another with a force during operation to decelerate falling and prevent contact between the clamp and the bend stiffener. Methods are provided for retrofitting a riser system by adding the magnets. In another system, the riser has an upper portion and a tapered portion immediately below the upper portion. The outer diameter of the tapered portion increases such that the tapered portion can be friction fit into the lower end of the bend stiffener in the event that the bend stiffener is forced down or free falls onto the riser.

A connector for connecting underwater cables includes: a connection housing in which the cables enter parallel to each other and parallel to a first direction; and a handling bar, connected to the connection housing by a linking unit hinged along an axis perpendicular to the first direction.

A marine environment electrical connection apparatus including a buoy apparatus (1, 101, 201) is provided at least part of which when located in water (2) projects above the surface (2A) of the water (2). It includes at least one mooring point (35, 135, 235) which includes a mooring line (35, 135, 235) and at least one electrical power coupling (25, 125, 225) to which a marine vessel (5, 105, 205) can be coupled so that electrical power can be transferred via the electrical power coupling between a power generation and/or storage device (50) (such as that provided by an offshore renewable energy source) and the marine vessel. A method of electrically recharging a marine vessel (5, 105, 205) utilising the apparatus (1, 101, 201) is also provided.

A marine environment electrical connection apparatus including a buoy apparatus (1, 101, 201) is provided at least part of which when located in water (2) projects above the surface (2A) of the water (2). It includes at least one mooring point (35, 135, 235) which includes a mooring line (35, 135, 235) and at least one electrical power coupling (25, 125, 225) to which a marine vessel (5, 105, 205) can be coupled so that electrical power can be transferred via the electrical power coupling between a power generation and/or storage device (50) (such as that provided by an offshore renewable energy source) and the marine vessel. A method of electrically recharging a marine vessel (5, 105, 205) utilising the apparatus (1, 101, 201) is also provided.

A cable breakaway device for use with a power cable connector and a power cable, the power cable connector comprising a sheath and a bearing surface. The cable breakaway device comprising a body with an elongate channel passing therethrough, one or more sharp protrusions radially extending from the body to cut the sheath as the cable is pulled through the channel, allowing the bearing surface to engage the breakaway device without impeding the movement of the connecting device.

Provided is a cable hang-off arrangement configured for mounting at the level of an elevated platform of an offshore facility and includes a pipe configured to accommodate a number of protective tubes, wherein a protective tube is configured to accommodate a transmission cable of the offshore facility; a tube end flange arranged around an end portion of each protective tube; and a hang-off terminator configured for mounting at an end of the pipe, which hang-off terminator includes an end-plate with a number of apertures for the transmission cables, and a flange connection interface for connecting to the tube end flanges. An offshore facility, and a method of securing a transmission cable arrangement at the level of an elevated platform of an offshore facility are also provided.

An elongate connector for subsea connection of cables and the like to wind turbine generators has a plurality of locking elements arranged on ramp surfaces and held in a plurality of cages on the connector. The cages are moveable to move the locking elements along the ramp surfaces between an engaged position and a disengaged position and the plurality of cages are moveable independently of each other. A release collar is provided, which can move all the cages simultaneously to the disengaged position, in order to allow removal of the connector.

An elongate connector for subsea connection of cables and the like to wind turbine generators has a plurality of locking elements arranged on ramp surfaces and held in a plurality of cages on the connector. The cages are moveable to move the locking elements along the ramp surfaces between an engaged position and a disengaged position and the plurality of cages are moveable independently of each other. A release collar is provided, which can move all the cages simultaneously to the disengaged position, in order to allow removal of the connector.

Disclosed are systems for securing a bend stiffener to a riser in an offshore energy production facility. In one system, the lower end of the bend stiffener has a magnet that repels a magnet in a clamp on the riser a distance below the bend stiffener. The magnets repel one another with a force during operation to decelerate falling and prevent contact between the clamp and the bend stiffener. Methods are provided for retrofitting a riser system by adding the magnets. In another system, the riser has an upper portion and a tapered portion immediately below the upper portion. The outer diameter of the tapered portion increases such that the tapered portion can be friction fit into the lower end of the bend stiffener in the event that the bend stiffener is forced down or free falls onto the riser.

An offshore system including: a dynamic submarine power cable, a bend stiffener having a lower end and a top end, the bend stiffener having a central channel extending from the lower end to the top end, the central channel receiving the dynamic submarine power cable with a radial spacing between an inner surface of the central channel and an outer surface of the dynamic submarine power cable along the length of the dynamic submarine power cable arranged in the bend stiffener, the radial spacing forming a longitudinal water channel between the bend stiffener and the dynamic submarine power cable, and an offshore structure tube connected to the bend stiffener, wherein the offshore structure tube has an inner tube channel in fluid communication with the longitudinal water channel, and wherein A) the offshore structure tube has a through-opening extending from the inner tube channel through a wall of the offshore structure tube to enable water flowing from the lower end through the bend stiffener to exit the offshore structure tube via the through-opening to provide water cooling of the dynamic submarine power cable in the bend stiffener, or B) the bend stiffener has a radial through-opening arranged within of a total axial length of the bend stiffener, defined by a distance between the lower end and the top end, from the top end to enable water flowing from the lower end through the bend stiffener to exit the bend stiffener via the radial through-opening to provide water cooling of the dynamic submarine power cable in the bend stiffener.