Acapo Onsagers AS

The present invention relates to a process for preparing a joint between two electric high voltage power cables. Further, the present invention relates to a flexible vulcanized joint between two power cables as well as to a joined power cable.

A system for inspection of an insulation system of a cable, wherein the cable comprises an electric conductor and an insulation system surrounding the electric conductor, the system comprises a cable stripping device configured to radially slice the cable insulation system to produce a helically formed strip of insulation, and an optical inspection device configured to receive the helically formed strip of insulation and inspect it to detect any anomalies present in the helically formed strip of insulation.

The present invention relates to a Stabilized Quadruple-Mode Vessel designed for versatile marine operations, offering seamless transitions between surface, foiling, submerged, and retracted modes. The vessel comprises a lightweight hull with integrated scoop elements for thrust redirection, fully submerged hydrofoils narrower than half the vessel width, and a stabilization system utilizing sensors and servos for dynamic control. The foil assemblies pivot aft to reduce draft, enabling efficient operation in shallow waters and enhanced docking compatibility. Key features include air and water vents for buoyancy control, release mechanisms for collision protection, and precise yaw control via adjustable foil configurations. The invention provides a robust, adaptable, and efficient solution for high-speed surface travel, covert underwater missions, and shallow water navigation, addressing the limitations of conventional hydrofoil systems with advanced mechanical and control innovations

The present invention relates to a stabilized triple-mode vessel capable of operating on, above, and below the water surface. The vessel employs a novel configuration of U-, T- or L-shaped hydrofoils to optimize lift and minimize hydrodynamic drag. It is equipped with a stabilization system employing sensors such as an inertial measurement unit IMU (gyroscopes, accelerometers, compass), height sensors, and depth sensor for real-time dynamic adjustments. The vessel transitions seamlessly between three operational modes: surface-level, foiling, and submerged, through active control of hydrofoil angles and buoyancy regulation via air and water vents. The foiling mode serves as a high-speed state, minimizing hull-water contact and enhancing efficiency. Key features include advanced stabilization, simplified buoyancy control, and efficient propulsion, enabling the vessel to perform subsurface operations, reconnaissance, and high-speed transit with superior adaptability and performance.

A power cable (10) comprises at least one cable core (11) comprising an electrical conductor (20) having two or more conductor elements (12) and an insulating system (19, 15, 16) radially surrounding the electrical conductor (20), where the insulating system comprises an inner semiconductive layer, insulation layer and outer semiconductive layer. The electrical conductor (20) comprises a plurality of transversally arranged watertight barriers (21) arranged intermittently along the longitudinal direction of the power cable (10) wherein the plurality of watertight barriers (21) have a diameter (D) and a length (L), where the diameter of the watertight barriers essentially corresponds to the diameter (d) of the conductor, and wherein the outer surface of the plurality of watertight barriers (21) is watertight linked to an extension layer extending a distance along the length of the electrical conductor. A method for manufacturing a power cable with water barrier, comprising the steps of: a) providing an electrical conductor (20) having two or more conductor elements (12), b) providing a plurality of watertight barriers arranged intermittently along the longitudinal direction of the electrical conductor, wherein the plurality of watertight barriers have a diameter and a length, where the diameter of the watertight barriers essentially corresponds to the diameter of the electrical conductor, c) link the outer surface of the plurality of watertight barriers (21) watertight to an extension layer so that the extension layer extends a distance along the length of the electrical conductor, and d) providing an insulating system (13, 15, 16) radially surrounding the electrical conductor (20), where the insulating system comprises an inner semiconductive layer, insulation layer and outer semiconductive layer.

A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve housing with a housing port, a bottom sleeve mounted and slidable within the valve housing between closed and open positions, and a top sleeve mounted within the valve housing and defining an annular region therebetween. The top sleeve has a sleeve port and is slidable within the valve housing between a first position where the top sleeve engages the valve housing and defines an annular chamber within the annular region, and a production position where the sleeve port is in fluid communication with the housing port to define a fluid pathway along which fluids flow from the reservoir through the annular chamber. While in the first position, the annular chamber has an inlet allowing fluid to flow into and pressurize the annular chamber to prevent particulates from flowing into the annular region.

The present invention provides marine lysophosphatidylcholine compositions for use in pharmaceuticals, nutraceuticals and functional foods, as well as methods for making marine lysophosphatidylcholine compositions.

A high voltage direct current (HVDC) power cable comprising a non-solid conductor (20), an inner semiconducting layer (19) surrounding the non-solid conductor (20), an insulating layer (15) surrounding the inner semiconducting layer (19) and an outer semiconducting layer (16) surrounding the insulation layer, wherein a water blocking composition is included in interstices of the non-solid conductor (20) wherein the water blocking composition comprises 20-95 wt-% polymer base comprising a polymer selected from polyisoprene, butyl rubber, neoprene, ethylene propylene rubber, ethylene propylene diene monomer rubber, ethylene-octene, styrene ethylene butadiene styrene, polyurethanes and silicone rubber; and 5-50 wt-% conductive filler.

The present invention relates to the technical field of subsea power cables. More specifically, the invention relates to a method of manufacturing a high voltage power cable comprising a cable core surrounded by an insulation system, wherein the cable core comprises conductor elements and a water blocking composition, wherein the method comprises the steps of stranding the conductor elements to obtain a stranded bundle of conductor elements, introducing the water blocking composition in the voids left in the stranded bundle of conductor elements, degassing of the water blocking composition, obtaining the cable core, and surrounding the insulation system coaxially around the cable core. The present invention further relates to a high voltage power cable produced by the method according to the invention and a use of the high voltage power cable.

A method of manufacturing an electric power cable comprises providing a plurality of conductor elements, stranding the conductor elements to combine the conductor elements into at least one conductor layer to form a conductor, applying a water blocking composition to the conductor elements in a stranding region during the stranding, such that interstices between the conductor elements comprise the water blocking composition, heating the conductor elements before and/or during entering the stranding region to a first temperature, and scraping off a part of the water blocking composition to adjust a layer thickness of the water blocking composition on the at least one conductor layer to a predetermined level, wherein the water blocking composition is configured to prevent water ingress within the at least one cable element.