Maersk Drilling A/s

Noble Drilling A/s

Wattsup Power A/s

Mærsk Drilling A/s

John Røn Pedersen

Martin Speiermann

Jamshid Zamany

Jesper Holck

Jan Høffner

Mikkel Søndergaard Pedersen

Thomas Krogsgaard Christensen

Simon Gadgaard

An offshore drilling vessel includes a hull and at least one opening in the hull arranged to receive an end of at least one submersible cable. The offshore drilling vessel also comprises a cable capture mechanism configured to lift the end of the at least one submersible cable through the at least one opening from a submersed position to a raised position. A cable connector is configured to couple to the end of the at least one submersible cable when the end of the at least one submersible cable is in the raised position such that the offshore drilling vessel comprises an external data and/or power connection via the submersible cable.

Offshore drilling vessel with an external cable connection and method therefor

A controller for a dynamic positioning system, the controller being configured to determine a position of a vessel relative to a target position and to control a propulsion system of the vessel based on the determined position of the vessel relative to the target position, wherein the controller is configured to monitor a property of at least part of a riser; and adjust the control of the propulsion system accordingly.

Dynamic positioning control

A flywheel system includes a fixture providing a base and a stator, rotor having a cavity to receive the stator, a generator/motor module having a plurality of permanent magnets mechanically coupled to the rotor and an active magnetic bearing module. The active magnetic bearing module includes a plurality of magnetizable elements mechanically coupled to or integrated in the rotor, and a plurality of electromagnets mechanically coupled to a shaft and configured to magnetically couple with the plurality of first magnetizable elements to actively stabilize the rotor relative to the fixture. The windings of the generator/motor module are arranged around the rotation axis of the rotor at a first distance from the rotation axis of the rotor, the electromagnets of the active magnetic bearing module are arranged around the rotation axis of the rotor at a second distance, and the first distance is greater than or equal to the second distance.

Flywheel systems and flywheel bearing modules

An apparatus for use with a combustion apparatus and an associated Selective Catalytic Reduction ('SCR') device, comprises a temperature sensing device configured to measure the temperature of an exhaust from the combustion apparatus; and an injection unit configured to inject hydrogen into a feed of oxidizer to the combustion apparatus. An amount of hydrogen is added to an oxidiser feed of the combustion apparatus sufficient to reach a temperature in the exhaust of at least about 270° C.

Method and apparatus for controlling temperature in selective catalytic reduction systems

A method for operating a microgrid electric power generation system includes delivering energy to an electric power bus at least partially from one or more kinetic generators electrically coupled to the electric power bus, controlling the one or more kinetic generators in response to a change in a load such that a magnitude of a voltage on the electric power bus remains within a predetermined voltage range, and controlling one or more combustion generators electrically coupled to the electric power bus based at least in part on an operating state of the one or more kinetic generators. The one or more kinetic generators are capable of (a) delivering energy stored therein to the electric power bus, and (b) storing energy in kinetic form.

Microgrid electric power generation systems and associated methods

A mobile offshore drilling unit includes a plurality of electric thrusters to dynamically position the drilling unit, and a microgrid electric power generation system for providing power to the plurality of electric thrusters, the microgrid electric power generation system including at least one combustion generator electrically coupled to a main electric power bus and at least one thruster electric power system, the thruster electric power system including a thruster electric power bus, an additional electric power bus connected to the thruster electric power bus via an interface device, and a circuit breaker electrically coupling the additional electric power bus to a main electric power bus for isolating the thruster electric power bus from the main electric power bus in case of loss of power on the main electric power bus.

Thruster electric power systems and associated methods

A flywheel system includes a rotor configured to rotate about a rotation axis. The flywheel system further includes a fixture and an active magnetic bearing module for actively stabilizing the rotor relative to the fixture. The active magnetic bearing module includes a plurality of first magnetizable elements mechanically coupled to or integrated in the rotor, and a plurality of electromagnets mechanically coupled to the fixture and configured to magnetically couple with the plurality of first magnetizable elements to actively stabilize the rotor relative to the fixture. Each of the first magnetizable elements is farther than each of the electromagnets from the rotation axis.

A fire-resistant energy storage device includes a fire-resistant chassis, one or more energy storage elements housed in the fire-resistant chassis, and a heat exchanger configured to (a) cool the one or more energy storage elements and (b) protect the one or more energy storage elements from a fire external to the fire-resistant energy storage device. An energy storage assembly includes (a) a plurality of physically separate fire-resistant energy storage devices, each of the plurality of physically separate fire-resistant energy storage devices being configured to protect one or more energy storage elements of the fire-resistant energy storage device from a fire external to the fire-resistant energy storage device, and (b) at least one power converter configured to electrically interface the plurality of physically separate fire-resistant energy storage devices with an electric power buss.

Fire-resistant energy storage devices and associated systems and methods

A thruster electric power system includes one or more energy storage units configured to power an electric thruster of a mobile offshore drilling unit in response to one or more combustion generators of the mobile offshore drilling unit being unavailable to provide electric power to the electric thruster. A mobile offshore drilling unit capable of dynamic positioning includes one or more thruster enclosures, each thruster enclosure including: (a) one or more thruster converters configured to power respective electric thrusters, and (b) one or more energy storage units configured to power the respective electric thrusters of the one or more thruster converters in response to one or more combustion generators of the mobile offshore drilling unit being unavailable to provide electric power to the electric thrusters.

A drilling or work-over vessel () is disclosed comprising a number of operational equipment (), wherein the drilling or work-over vessel comprises at least one operational control and/or state unit () comprising at least one processing unit (), wherein the at least one operational control and/or state unit () comprises or are in connection with a memory and/or storage (), and at least one sensor unit (), wherein the at least one sensor unit () is adapted to obtain one or more measured physical values and to provide data representing the one or more measured physical values and/or derived values thereof to the at least one operational control and/or state unit (), the memory and/or storage () comprises a data representation of a computational physics model of at least a part of the drilling or work-over rig, and the at least one processing unit () is adapted to derive data representing an estimation of one or more physical states (such as defined by limits of forces, relative motion between operational equipment and vessel, or between other two pieces of operational equipment) estimated to act on at least one operational equipment () in response to the data representing the one or more measured physical values and/or derived values thereof as provided by the at least one sensor unit ().

Drilling or work-over rig comprising an operational control and/or state unit and a computer-implemented method of providing operational control and/or state

Growing community of inventors

Frederikssund, Denmark

John Røn Pedersen