Matches 1 - 50 out of 73 1 2 >


Match Document Document Title
US20130309018 ABANDONMENT AND RECOVERY SYSTEM  
A method of abandoning a pipeline being laid by a pipelaying vessel, wherein said pipeline is being held by a lay tower comprising a pipelaying and tensioning arrangement, comprising at least the...
US20140037384 CABLE HANG-OFF ARRANGEMENT  
A cable hang-off arrangement for an elevated support including a cable assembly with a flexible reinforced protective tube for accommodating a transmission cable arrangement, a mounting assembly...
US20120000541 USE OF A CONDUIT PIPE FOR PRODUCING A DUCT LAID IN WATER  
A metal conduit pipe, which is covered with an extruded layer made of polyamide moulding compound, is used to produce a duct laid in water, wherein in the course of laying the duct, the coating is...
US20100061807 PIPE SECTION FOR USE IN A SUBMERGED PIPELINE SYSTEM, THE SUBMERGED PIPELINE SYSTEM AND THE USE THEREOF  
This invention concerns a pipe section for use in a submerged pipeline system, the submerged pipeline system and the use thereof In particular it concerns a submerged pipeline system for...
US20130071190 CABLE PLACEMENT AND RETRIEVAL DEVICE  
A cable placement and retrieval device includes a main shaft forming a hook opening defined by a generally inverted U-shaped bend terminating at a spherical bead, a rigid push rod radiating up and...
US20120263539 POWER UMBILICAL COMPRISING SEPARATE LOAD CARRYING ELEMENTS OF COMPOSITE MATERIAL  
A power umbilical for transfer of large amounts of electric power, fluids and electric current/signals from the sea surface to equipment deployed on the sea bed, in particular in deep waters...
US20050047872 Deepwell reel  
A method of providing for seawater supply to an offshore jackup rig comprising suspending a pump from a hose which is unreeled from a reel on the jackup rig, the hose comprising fluid flow...
US20140044487 STINGER FOR A PIPELINE LAYING VESSEL  
A stinger (1) for a pipeline laying vessel, the stinger includes at least one track (3) which in use at least partly surrounds a firing line along which the pipeline (5) is laid, and at least one...
US20140227039 PIPELINE LAYING VESSEL FOR LAYING A PIPELINE ON A SEABED  
A pipeline laying vessel for laying a pipeline (5) on a seabed, which pipeline laying vessel comprises a hull, a positioning device (6) for positioning a pipe section in a firing line (3) along...
US20130051921 Hoisting Method and Assembly for Abandoning and/or Recovering an Underwater Pipeline from a Laying Vessel, and Laying Vessel Equipped with such a Hoisting Assembly  
A method of abandoning or recovering an underwater pipeline from a laying vessel includes the steps of looping a first rope about a pulley connected to the free end of the pipeline; end-locking...
US20090142138 Pipe Structure and Methods of Laying and Use of a Pipeline Including Such a Pipe Structure  
A pipe structure suitable for being laid in the sea comprises an inner pipe (2) for conveying fluid to be transported along the pipe structure and an outer pipe (3) around the inner pipe and...
US20110236137 PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE  
A pipe-laying vessel (1) is provided, including a tower (2) extending upwardly from the vessel, a pipe loading arm (9) for raising a length of pipe from the deck to a position aligned with the...
US20140241808 LAYING VESSEL FOR LAYING PIPELINES ON THE BED OF A BODY OF WATER, AND LAYING VESSEL OPERATING METHOD  
A laying vessel configured to lay pipelines on the bed of a body of water has a floating structure; a laying tower hinged to the floating structure and configured to assemble and lay a pipeline on...
US20140086687 UNDERWATER CABLE DEPLOYMENT SYSTEM AND METHOD  
An underwater cable deployment system for deploying an ocean bottom cable on the seabed including a cage having a lower frame and an upper frame, which lower frame is adapted to receive the ocean...
US20140348590 POWERED SHEAVE FOR NODE DEPLOYMENT AND RETRIEVAL  
In one embodiment, a marine vessel is provided. The vessel includes a cable storage device disposed on a deck of the vessel, a workstation disposed on the vessel, a ramp at least partially...
US20130251455 Ship Having a Bridge Comprising a Cavity with a Built-In Rotary Plate  
A ship for laying flexible undersea lines at sea, the ship having a deck including a cavity receiving said turntable and a motor-driven device for rotating the turntable and fastened to the...
US20130315673 Curvature Limiter For A Flexible Undersea Line, And Seabed-To-Surface Linking Equipment Including Same  
The present invention relates to a curvature limiter device constituted by fastening tubular sleeves (5) end-to-end, the tubular sleeves being fitted at their longitudinal ends with...
US20130034389 UNDERSEA PIPE-LAYING  
A vessel for laying a pipeline includes a plurality of workstations disposed along a pipelaying path that includes an upstream portion away from a first end of the vessel and a plurality of ramps...
US20110081203 Movable pipeline tee  
The method of protecting two subsea pipelines which cross each other in a subsea environment from damaging one another when subsea currents slide the upper pipeline along the upper surface of the...
US20070264084 Underwater Pipe-Laying Apparatus and Method  
A pipe-laying apparatus and method for laying or raising a pipeline from a vessel. The apparatus includes a first pipe gripping assembly disposed on a pipe laying path along which pipeline passes...
US20120099928 POWERED SHEAVE FOR NODE DEPLOYMENT AND RETRIEVAL  
A method and apparatus for deploying a plurality of seismic sensor units into a water column is provided. In one embodiment, a marine vessel is provided. The marine vessel includes a node storage...
US20150226869 Geophysical Cable Preparation for Antifouling Paint  
Embodiments relate generally to marine geophysical surveying. More particularly, embodiments relate to a streamer-preparation apparatus that cleans a geophysical cable to prepare it for...
US20140255102 Cable pull-in with inflatable sealing section  
A cable pull-in system and method for offshore structures (1) of the type having a hollow interior extending from the sea bed to above the surface of the water and an entry hole (2) in the...
US20120201607 TOOL FOR A HORIZONTAL CONNECTING DEVICE  
A tool for lowering, alternatively later retrieval, of a pipeline end which is provided with a connecting part designed for mating with and connection to a first connecting part on the seabed is...
US20050254901 Offshore oil transportation system  
The disclosed offshore oil transportation system includes an unmoored, dynamically positionable FSO located at a predetermined distance with respect to an offshore production platform or with...
US20060210361 CONTINUOUSLY PRESSURIZED PIPELINE  
A pipeline segment 5, used for the manufacture of a thin-walled underwater pipeline 50, is disclosed. Terminal pipe sections 20 are at either end of main pipe section 10. Terminal pipe sections 20...
US20130070565 SEABED INSTALLATIONS  
There is described a method and apparatus for deploying and covering undersea seismic sensing cables to improve seismic coupling between the sensors of the cable and the seabed. The method...
US20150063910 MOORING DEVICE  
The invention relates to a mooring device that is suitable for use in water. The mooring device includes a pile configured to be embedded in a floor supporting the body of water, at least one arm...
US20050019100 Apparatus for laying a conduit on the seabed from a floating vessel  
Pipe (3) to be laid on the seabed from a floating pipe laying vessel (1) emerges from the bottom end of a vertically orientated linear pipe tensioner (8b) and is directed substantially vertically...
US20110158748 APPARATUS AND METHOD FOR USE IN LAYING PIPE ON THE SEA FLOOR  
When laying pipe from a pipelay vessel into the sea, the pipe is subject to torsion. To relieve this torsion an apparatus to perform controlled relative rotation between the pipe and the vessel is...
US20130240076 PIPE ELEMENT FOR CONSTRUCTING A DOUBLE WALLED PIPELINE  
A pipe element (1) for constructing a double walled pipeline includes an outer pipe element (3) and an inner pipe element (4) located inside the outer pipe element (3), the outer pipe element (3)...
US20090067931 POTASSIUM FORMATE GEL DESIGNED FOR THE PREVENTION OF WATER INGRESS AND DEWATERING OF PIPELINES OR FLOWLINES  
A gelled composition for pipeline, flowline, pipeline jumper or flowline jumper dewatering or preventing ingress of seawater into open pipeline systems or components during tie-in operations of...
US20070269269 Fiber optic installation method  
A flexible pipe pig includes a grouping of a plurality of individual piglets and at least one flexible member interconnecting piglets. An optic fiber for installation in an extended conduit. The...
US20130294838 PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE  
A pipe-laying vessel including a pipe-laying tower extending upwardly from the vessel, the tower including a first lower section extending upwardly from a proximal end to a distal end above the...
US20110070029 VESSEL WITH ABANDONING AND RECOVERING SYSTEM FOR PIPELINES, METHOD, AND USE OF SAID VESSEL AND SYSTEM  
A vessel (1) for laying a pipeline (2), comprising a tower (3) which comprises a firing line (4) and is connected to the vessel by a hinge assembly (5) comprising a tower pivot axis (6), wherein:...
US20140286708 RELATING TO PIPELAYING  
An alignment tool for aligning a secondary elongate element with a primary elongate element for subsea laying of the elements in a piggybacked arrangement is disclosed. The alignment tool...
US20050002738 Method for cutting undersea pipeline to length  
A pipeline is laid from a first position to a second position with a connector at [[said]] the second position for connection to a subsea structure, at a depth L. A [[a]] first seabed transponder...
US20110299932 DEPLOYABLE OPTICAL FIBER CARTRIDGE  
A spool has a cylinder, a first flange coupled to a first end of the cylinder and a second flange coupled to a second end of the cylinder. A compressible material surrounds the cylinder and an...
US20140248086 PIPELAYING  
A piggybacking clamp for subsea laying of two or more elongate elements in a piggybacked arrangement is disclosed. The piggybacking clamp has a plurality of clamp segments assembled to surround...
US20100329791 SYSTEM FOR DEPLOYMENT OF A SEABED CABLE DISTRIBUTION NETWORK  
The invention relates to a method and an apparatus for retrieval and deployment of a cable distribution network comprising a main cable and secondary cable sections branched off from the main...
US20100226723 Offshore petroleum discharge system  
A method and associated vessel for transferring liquids from offshore tankers to an onshore storage facility. The system utilizes a flexible pipe that is heavier than the water it displaces, such...
US20100260551 Bendable Pre-Insulated Pipeline Assembly  
This invention relates to a pipeline assembly especially for offshore installation comprising an inner carrier pipe, a casing and at least one closed-cell and/or solid thermal insulation material...
US20110283930 OPTICAL FIBER MANAGEMENT SYSTEM  
An optical fiber management system for a remotely operated vehicle (ROV) includes a spool containing a length of optical cable, a motor coupled to the spool, a motor controller, a speed sensor and...
US20060269360 Gripping device  
A mooring connector or pipeline recovery tool comprising a mandrel (10) around which is concentrically disposed a ball cage (11) having balls (12) protruding therefrom so that relative...
US20150198265 CONDUIT DISPLACEMENT MITIGATION APPARATUS INCLUDING SPRINGS, METHODS AND SYSTEMS FOR USE WITH SUBSEA CONDUITS  
Disclosed are apparatus, systems and methods for reducing displacement of a subsea conduit such as offshore hydrocarbon production pipeline, also referred to as pipeline walking or buckling, thus...
US20110176874 Coiled Tubing Compensation System  
A tubing sheave apparatus is disclosed. A circular member has a grooved circumference. A hub is coupled to the circular member via one or more radial support members. The circular member and the...
US20080253842 Pipeline Assembly Comprising an Anchoring Device  
The invention relates to a pipeline assembly (1) and a method of installing a pipeline assembly, wherein the pipeline (10) extends at least in part on a seabed (14) and curves upwardly from the...
US20130070558 MULTIPLE RECEIVER LINE DEPLOYMENT AND RECOVERY  
Embodiments described herein relate to an apparatus and method of transferring seismic equipment to and from a marine vessel and subsurface location. In one embodiment, a marine vessel is...
US20130183100 APPARATUS AND METHOD FOR LOW-TENSION RETRIEVAL OF INSTRUMENTED MARINE CABLES  
Apparatus and method for retrieving instrumented marine cables. The cable-handling apparatus comprises carriers that capture and pull on rigid elements in or on a marine cable to retrieve the...
US20110217123 OCEAN BOTTOM SEISMIC SENSOR DEPLOYMENT VEHICLE  
Embodiments described herein relate to an apparatus and method for transferring one or more seismic sensor devices to or from a support vessel on or near a surface of a body of water and a...

Matches 1 - 50 out of 73 1 2 >