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| Number | Title | Issue Date |
| 8075226 | Method and apparatus for deployment of ocean bottom seismometers A deployment and retrieval apparatus for ocean bottom seismic receivers, the apparatus being a remotely operated vehicle (ROV) having a carrier attached thereto and carrying a plurality of receivers. The carrier includes a frame in which is mounted a structure for s... | 12/13/2011 |
| 7632043 | Seismic sensor transfer device A method and apparatus for storing, transporting, and transferring one or more sensor devices is described. In one embodiment, the apparatus includes a transfer device having a frame, and a movable platform coupled to the frame. A mesh material may be coupled to the... | 12/15/2009 |
| 7303360 | Underwater inspecting and repairing system Disclosed is a system that performs inspection and repair of an underwater structure, specifically core internals in a pressure vessel. An underwater vehicle is provided with a drive wheel, a contact force generating unit (e.g., thruster) that presses the drive whee... | 12/04/2007 |
| 7225877 | Subsea intervention fluid transfer system A system for subsea transfer of intervention fluids to a subsea intervention apparatus, the system, in certain aspects, including a structure and a frame pivotably mounted thereto, a plurality of frame fluid conduits on the frame for conducting fluid from a connecto... | 06/05/2007 |
| 7210556 | Method and apparatus for installing a sensor array An apparatus and method is provided for transporting, installing, retrieving, and replacing a sensor array of individual sensor pods at a geographically remote location, such as on the sea floor. The apparatus consists of a remotely operated vehicle (ROV), a carouse... | 05/01/2007 |
| 7165619 | Subsea intervention system, method and components thereof The subsea intervention system (SIM) includes a BOP module 10 and CT module 20. A tool positioning system 76 is used for positioning a selected subsea tool 22 stored within a rack 18 with a tool axis in line with the BOP axis, whil... | 01/23/2007 |
| 7131345 | Device for inspecting plant parts located under water A device for inspecting submersed plant parts is particularly suited for ultrasonic inspection of screws in the core baffle of a nuclear reactor pressure vessel. The device includes a remote-controlled underwater vehicle that is provided at its end face with a carri... | 11/07/2006 |
| 7114882 | Aqua-terra planetary transport system and development pneumatic and electro-magnetic underwater tube-link transportation system An aqua-terra planetary transport system and development system utilizing a pneumatic and electromagnetic underwater tube link transportation system to move passengers and cargo rapidly between a network of interconnected land based terra station and ocean based aqu... | 10/03/2006 |
| 7080689 | Instrumentation assembly for an offshore riser The present invention relates to an instrumentation assembly intended for an offshore riser (2) operated from a floater (1). It comprises a central processing unit (PC) connected by conducting cables (27) to: a... | 07/25/2006 |
| 7051804 | Subsea protective cap A cap for covering an open upper end of a subsea structure includes a base and a body. The base has a size, after shrinkage, at least slightly larger than the exterior of the open upper end of the subsea structure. The body is connected to the base and projects down... | 05/30/2006 |
| 6957929 | Single and dual reel flying lead deployment apparatus The flying lead deployment apparatus with one reel assembly is made of a frame assembly; a reel assembly with flying lead disposed in the frame assembly adapted to rotate to distribute the flying lead; a first ROV-flying lead interface connected to the frame assembl... | 10/25/2005 |
| 6941883 | Submerged underwater observation booth The invention concerns the structure of a “SUBMERGED UNDERWATER OBSERVATION BOOTH”, including a floating station on water surface, and a piping system to convey fresh air and power into the SUBMERGED BOOTH. The SUBMERGED BOOTH provides an atmospheric environment... | 09/13/2005 |
| 6926467 | Method and device for replacing equipment on the seabed A device (20) for replacing equipment, i.e. modules on an installation (10) on the seabed. The device comprises a box-shaped buoyancy element which has storage spaces (25) for equipment together with winch devices (22) assigned to each st... | 08/09/2005 |
| 6695539 | Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for transporting and installing the devices. The devices insta... | 02/24/2004 |
| 6672407 | Method of drilling, analyzing and stabilizing a terrestrial or other planetary subsurface formation The present invention provides a method for drilling, analyzing, and stabilizing subsurface formations. The system is generally formed around a reusable bottomhole assembly (BHA) that provides an anchoring and thrust mechanism, furnishing the necessary do... | 01/06/2004 |
| 6588985 | Apparatus and method for deploying an object or a load on a seabed A method and an apparatus, for deploying an object or a load on the seabed, the object or the load being coupled to a hoist, such as a hoisting wire in order to enable the object or the load to be lowered to the seabed from a vessel, the apparatus includi... | 07/08/2003 |
| 6276874 | Means and method for the installation of subsea cables A subsea steep wave lock and guide mechanism (1) for elongated articles (2) such as cables, pipes and umbilicals provides a substantially horizontal inlet (6) for the article at seabed level and a substantially vertical flexible article outlet (4) leading... | 08/21/2001 |
| 6223675 | Underwater power and data relay An underwater apparatus for performing subsurface operations adapted to be operated from a remote location above the surface of a body of water is disclosed. The apparatus includes a linelatch system that is made up of a tether management system connected... | 05/01/2001 |
| 6068427 | System and method for replacement of components on sea bottom-based installations A system and methods for diverless replacement of a functional component installed on a service unit on a sea bottom-based installation is provided. The component is fitted releasably into the service unit as an insert with an externally extending maneuve... | 05/30/2000 |
| 5730553 | Carriage movable in water A carriage movable in waste including: a body having a float at its upper portion and a weight at its lower portion to suspend in the water, the body having an opening in its abdomen; a thrust fan provided on a back of the body, the fan being rotatable in... | 03/24/1998 |
| 5642965 | Interface system for operation of remote control vehicle All points at which torque is usually applied to subsea equipment, particularly in the search for and production of oil, are centralized at a single panel upon which standard kinds of connecting terminals fitted with sockets are clearly marked and corresp... | 07/01/1997 |
| 5456501 | Pipeline connection apparatus A pipeline connector apparatus comprising piston actuated means for gripping and sealing a pipe comprising a cylinder having an inner surface, the cylinder having a first groove for receiving a spring biased ring, a piston movable in the cylinder and actu... | 10/10/1995 |
| 5340237 | Guide-post interchangeability mechanism operated by remotely controlled vehicle This invention concerns a mechanism for the interchanging of guide-posts worked by remotely controlled vehicle which consists of guide-cones (6) provided in the side of base beam (2) that supports socket (4) of guide-post, which guide-cones are placed axi... | 08/23/1994 |
| 5316412 | Remote controlled underwater joint and crack sealing The inspection of underwater structures and the repair of leaking cracks or oints therein is effected by the use of a platform positionable at the work site and supporting an equipment cart movable therealong with the cart carrying an underwater light and ... | 05/31/1994 |
| 5230588 | Method and device for paying out or hauling in the supply line cable of an underwater device In a method and a device for paying out or hauling in a supply line cable of an underwater device from a ship or a suitable platform, the supply line cable is guided from a drum of a winch through a lower guide roller and over the edge of the ship. A pivo... | 07/27/1993 |
| 5074717 | Clamped body replacement tool A fluid operated tool 30 (FIG. 4) for use in replacing a body clamped between facing platens has an open ended tubular member 31, through which the body can pass, that carries outwardly thereof, and axially extending, coplaner support arms 33, 34 at the e... | 12/24/1991 |
| 5042959 | Undersea operation system An undersea operation system comprising an undersea operation machine for conducting undersea operations such as undersea construction and the collection of stones and rocks, and a backup ship operatively connected to this undersea operation machine. The ... | 08/27/1991 |
| 4943187 | ROV intervention on subsea equipment A projecting actuation point and a hollow ROV-operable tool for subsea equipment both have a larger diameter surface and a smaller diameter surface, the former being nearest to the subsea equipment. The smaller diameter surface of the actuation point prov... | 07/24/1990 |
| 4863314 | Hydraulic stab connector, frictionless A hydraulic stab sub with multiple seals especially for use in remote and harsh environments with the ability to move the seals radially inward to a retracted position in which the hydraulic stab sub can be easily inserted into a mating receptacle and alt... | 09/05/1989 |
| 4850743 | Template levelling device An operator for levelling a drilling or production template on the sea bed is formed from a rotatable hydraulic cylinder, a piston within the cylinder to which hydraulic pressure can be applied, and a drive shaft from the piston to a screw jack. Hydraulic... | 07/25/1989 |
| 4784525 | Apparatus for use in installing a piece of equipment horizontally on a submerged unit and for removing it therefrom A servicing apparatus for installing a piece of equipment horizontally on a submerged unit and for removing it therefrom, comprises a movable servicing module designed to engage on the upper part of the submerged unit, pivot thereabout and lock against it... | 11/15/1988 |
| 4721055 | Remotely operated underwater vehicle A remotely operated submersible vehicle (21), wherein the vehicle includes flotation cells (62) to provide positive buoyancy, and the vehicle is connected to a disposable clump weight (22) of sufficient weight to overcome the positive buoyancy. The connec... | 01/26/1988 |
| 4720213 | Apparatus for inspecting, cleaning and/or performing other tasks in connection with a welded joint An apparatus is disclosed for inspecting, cleaning and/or performing other tasks in connection with a welded joint between intersecting tubular members of an offshore platform a substantial distance beneath the water surface. The apparatus includes a supp... | 01/19/1988 |
| 4701074 | Apparatus for forming a grouted member in deep water Apparatus for forming a grouting member, for example, a grouted pile, in deep water comprises a female coupling member for connection to a male coupling member located on the sea bed, a conical guide for guiding the male coupling member into engagement wi... | 10/20/1987 |
| 4684291 | Template levelling device A screw jack for levelling a subsea template comprises (a) a guided entry adapted to receive a flat-sided drive shaft, (b) an inner screw adapted to be rotated by the drive shaft, (c) a non-rotatable inner housing, through one end of which the screw is threaded, (d... | 08/04/1987 |
| 4674917 | Method and device for placing a construction material in a liquid environment A continuous linear element is used in the form of a fine fibrous trap, delivered in a continuous manner by an ejector (11) placed in a gaseous atmosphere established in an open-bottomed bell (8) immersed in the liquid medium with its open bottom close to... | 06/23/1987 |
| 4620819 | Submarine working equipment The submarine working equipment illustrated which may be a diver's auxiliary equipment includes a hollow body that is specially reinforced against bending moments and pressure forces acting upon it by means of structure defining flow channels, for driving... | 11/04/1986 |
| 4501056 | Tool for disconnecting a guideline connector and a process for using same The invention provides a tool for disconnecting a guideline connector hooked in a sleeve forming the extension of a guide column of an underwater station, by means of retractable locking heads housed in a bore in the body of the connector. It comprises a ... | 02/26/1985 |
| 4460295 | Submersible connector The invention relates to a connector for taking over control of a submerged tool. The connector comprises two parts, a first part mounted on the tool, and a second part mounted on a movable control appliance. The tool is provided with energy distributors ... | 07/17/1984 |
| 4448569 | Lift sling emplacement device An apparatus is disclosed which is employable by a remotely controlled unwater work system to emplace a lift sling beneath an object resting on mud, sand or the like. The apparatus includes a hollow tube and a guide having rollers through which the tube ... | 05/15/1984 |
