Assignee: Oceaneering International, Inc.

Location: Houston, TX
No. of patents: 62

Number	Title	Issue Date
7997840	Self locking tensioner The present invention is directed to a self locking tensioner that can be used to place a piston or stud in tension. The present invention is directed to a tensioner comprising slip wedges positioned between a piston and a body which houses the piston and the slip w...	08/16/2011
7971306	Subsea conduit cleaning tool The invention described herein relates to a cleaning tool for cleaning subsea conduits, such as tendons, risers or strakes. This invention comprises a flotation collar and brush member which may be attached to a subsea conduit and which may travel up a subsea condui...	07/05/2011
7906727	Umbilical bullet connector The invention described herein is directed to a bullet connector for umbilicals, and for a method of disconnecting an umbilical from a bullet connector. The bullet connector described herein comprises a tapered nose cone, a body comprising a cylindrical housing, a c...	03/15/2011
7765632	Subsea conduit cleaning tool The invention is directed to a tool for cleaning subsea conduits, such as unjacketed risers or risers jacketed with strakes or other vortex induced vibration (“VIV”) suppression devices. ...	08/03/2010
7722302	Self locking tensioner The present invention is directed to a self locking tensioner that can be used to place a piston or stud in tension. The present invention is directed to a tensioner comprising slip wedges positioned between a piston and a body which houses the piston and the slip w...	05/25/2010
7635239	Subsea suction pile crane system A subsea suction pile crane system comprises a suction pile and a crane mounted on the suction pile. The crane comprises a rotatable mounting surface, a winch, and a boom having a proximal section attached to the rotatable mounting surface such that the boom can piv...	12/22/2009
7621059	Underwater sediment evacuation system This invention is directed to an underwater sediment evacuation system. The invention uses a suction pile and one or more pumps, valves, and lines to evacuate sediment contained within the internal volume of the suction pile. ...	11/24/2009
7466099	Multi-mode manipulator arm and drive system The present invention relates to a manipulator arm and drive system that can be operated in multiple modes, including an on or off mode, referred to herein as a “rate mode” or a spatially correspondent (“SC”) mode. The multi-mode manipulator arm and drive sy...	12/16/2008
7406905	System for driving a wire loop cutting element This invention is directed toward a system for driving a wire loop cutting element. More particularly, the disclosed invention employs a frame and pulleys to drive a wire loop cutting element. ...	08/05/2008
7380835	Single bore high flow junction plate Described herein a single bore, high flow junction plate and flow line assembly adapted for use subsea. This junction plate may be adapted for use with a torque tool manipulated by a remotely operated vehicle (“ROV”). ...	06/03/2008
7373935	Carbide wire blade This invention relates to a carbide wire blade that is suitable for use in sawing through subsea structures. The carbide wire blade employs a tungsten carbide cutter, a vibration dampening member, and the first cylindrical spacer, slideably mounted on a solid cylind...	05/20/2008
7311035	Subsea hydraulic junction plate actuator with R.O.V. mechanical override The invention relates to the field of offshore subsea oil and gas drilling and production operations. Specifically the invention relates to a hydraulically and/or mechanically driven junction plate actuator suitable for use in connecting and/or disconnecting a dynam...	12/25/2007
7296486	Hydraulic motor drive sensor adapter Angular movement detectors may be disposed within or proximate to joints in one or more members of articulated arms and linked via one or more communications networks to a controller to provide angular movement data to the controller for use in controlling movement ...	11/20/2007
7258597	Subsea abrasive jet cutting system and method of use An apparatus for cutting a material underwater is disclosed where the apparatus uses a mixture of abrasive material in a non-aspirated suspension mixed with a high pressure fluid, e.g. seawater. It is emphasized that. this abstract is provided to comply with the rul...	08/21/2007
7243729	Subsea junction plate assembly running tool and method of installation The invention relates to a running tool for subsea junction plate assembly installation. The invention further relates to a method for installing a junction plate assembly using the running tool of the present invention. ...	07/17/2007
7243594	Rotary actuator The present invention relates to the field of rotary actuators. Specifically, the present invention relates to rotary actuators comprising a rotatable top piston assembly and a stationary bottom piston assembly wherein rotation of the top piston assembly can be caus...	07/17/2007
7239781	Composite fiber radial compression members in an umbilical The present inventions relate generally to umbilicals comprising at least one inner tube and at least one composite fiber element to provide greater resistance to radial compressive forces. Such umbilicals may be used in subsea hydrocarbon production applications.	07/03/2007
7231837	Angular movement detector and networks of angular movement detectors for controlling movement of an articulated arm and a method for their use Angular movement detectors may be disposed within or proximate to joints in one or more members of articulated arms and linked via one or more communications networks to a controller to provide angular movement data to the controller for use in controlling movement ...	06/19/2007
7222674	Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...	05/29/2007
7216872	Seal for use with pipe and flange assemblies The invention relates to a seal for use with a pipe and flange assembly. The seal is intended to prevent leakage during axial movement of the pipe relative to a flange. The invention comprises a central cylindrical elastomeric member located between two circular ela...	05/15/2007
7216715	Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...	05/15/2007
7216714	Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...	05/15/2007
7134268	Shackle and method for releasing or installing a shackle subsea with an ROV The present inventions relate generally to a shackle assembly and a method for installing and/or releasing the shackle assembly subsea. The shackle assembly of the present invention comprises first and second plates mounted on either side of a shackle body eyelet an...	11/14/2006
7094157	Amusement ride vehicle with pneumatically actuated cabin and motion base A pneumatic motion platform is disclosed, adapted to allow an open center to handle shear stress without the need for a central support. In an embodiment, the platform comprises a deck; a base; a plurality of inflatable actuators, each actuator attached to the deck ...	08/22/2006
7090019	Casing cutter A subsea well casing cutting tool for use as part of a well abandonment procedure, the casing cutting tool deployable from a vessel located at a water surface, where in certain embodiments the casing cutting tool comprises a casing gripper; a rotary cutter drive ass...	08/15/2006
7003838	Hydraulic pig advance system comprising a control volume chamber containing hydraulic fluid and a force transmitting member This invention relates to a hydraulic pig advance system comprising a control volume chamber containing hydraulic fluid and a force transmitting member. The system further comprises two directional control valves which can be selectively repositioned to cause hydrau...	02/28/2006
7000903	Wireline subsea metering head and method of use A system and method to measure positioning with respect to deploying a subsea load, the system comprising a subsea metering head having a position sensor; a controllable winch operatively connected to the winch flexible cable; and a controller operatively in communi...	02/21/2006
6925815	Robot compatible crystal worksite suite The present invention is directed to a robot compatible crystal worksite suite comprising a unique dewar, a plurality of magazines, a plurality of cryo-pins (that mount crystals to be transferred from the dewar for crystallography study) adapted to be placed into th...	08/09/2005
6871840	System and method for motion compensation utilizing an underwater sensor A system and method of use for determining a desired physical parameter relating to a load deployed by a movable vessel, in a predetermined plane, using a sensor disposed proximate the load underwater where the sensor produces a transmittable signal indicative of th...	03/29/2005
6690763	Device for micro-manipulation of small samples The present invention is directed to a x-y-axis device and a x-y-z-axis device for micro-manipulating or positioning a crystal for x-ray diffraction. More specifically, the devices which may be placed on the head on a goniometer have small footprints (sma...	02/10/2004
6591913	System and method for lessening impact on Christmas trees during downhole operations involving Christmas trees A system and method for lessening impact on Christmas trees during downhole operations involving Christmas trees, by way of example and not limitation such as cementing processes. The system comprises an outer housing defining a chamber, a lubricator asse...	07/15/2003
6454492	Subsea pig launching and receiving system and method of use and installation A pig launching system and a pig receiving system for use in cleaning a subsea flowline. This invention further relates to a method of propelling a pig through a flowline using a pressurized accumulator, a method of assembling a subsea pig receiver in a f...	09/24/2002
6443660	Method and system for manipulating an object located underwater An apparatus for manipulating an object located proximate an underwater floor is disclosed, in a preferred embodiment comprising a foundation implantable in the underwater floor; a lifting frame extending between the foundation; and a multiplicity of slin...	09/03/2002
6428241	Subsea pig launcher A subsea pig launcher, that can launch either 1 or more pipeline pigs simultaneously. The pig launcher can be assembled on a subseas production pipeline with the aid of an ROV. In the preferred embodiment, the pigs are connected to each other and spaced a...	08/06/2002
6417007	Robotic harvesting of solids from fluids The present invention is directed to the method and apparatus for the robotic harvesting of solids from liquids as exemplified by harvesting protein crystals. Further, the present invention is directed to a fluid/solid management system in a chamber that ...	07/09/2002
6291930	Low voltage piezoelectric bender elements and unit cells The present invention is directed to a unique piezoelectric laminate composite which enables the deflection generated to provide greater work energy. The composites of the present invention are fabricated as piezoelectric bender-elements having a mechanic...	09/18/2001
6267037	Pipeline cutting apparatus An underwater apparatus for servicing subsea pipelines provides a telescoping frame which can be lowered to the vicinity of the pipeline. The frame has an open section so that it can straddle the pipeline and outer jacket and fixate itself releasably so t...	07/31/2001
6260504	Multi-ROV delivery system and method A TMS, cage type or top hat type incorporates a deployment frame. The TMS may be operated by a winch from a surface vessel. The TMS delivers a main ROV and a smaller mini ROV. The main ROV is fully functional to accomplish the necessary task subsea. Howev...	07/17/2001
6221666	Method and apparatus for cytoplasmic loading using an impact-mediated procedure The present invention is directed to the method and apparatus for the cytoplasmic loading of macromolecules into living cells by an impact-mediated procedure that impacts the cells with a predetermined number of solid particles in a blast of propellant ga...	04/24/2001
6109338	Article comprising a garment or other textile structure for use in controlling body temperature There is disclosed an article for use in cooling body temperature which comprises a garment having a coat and pant, with each having a body section adapted to receive a portion of the torso of the wearer and extensions from the body section to receive the...	08/29/2000

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Assignee: Oceaneering International, Inc.