Entries |
Document | Title | Date |
20080292405 | Marine J-Lay Pipelaying System - A marine J-lay pipelaying system for use on a vessel for laying an offshore pipeline has a J-lay tower, a pipe connecting station, wherein said pipe section is connected to the previously launched pipeline, and J-lay tower bearing means which allow for the pivoting of the J-lay tower with respect to the vessel. | 11-27-2008 |
20090087267 | Pipeline-Laying Vessel - The present invention relates to a pipeline-laying vessel ( | 04-02-2009 |
20090129867 | Self-Standing Riser and Buoyancy Device Deployment and Positioning System - A water-borne vessel for deploying a self-standing riser system is provided, wherein the vessel hull is configured to receive, transfer and deploy components of a self-standing riser system. The vessel hull includes at least a landing platform, a component transfer means, and a deployment platform suitable for deploying the riser components into associated surrounding waters. Various means of assisting the process whereby self-standing riser components are loaded onto the vessel and stored; transferred from receiving to deployment platforms; and deployed from the vessel into surrounding waters are also considered. | 05-21-2009 |
20090129868 | Offshore Coiled Tubing Deployment Vessel - An offshore coiled tubing deployment system is provided, wherein the system includes a sea vessel hull configured to include a mounted coiled tubing spool; and a mast configured to guide lengths of coiled tubing received from said mounted coiled tubing spool. Methods, means and locations for the mounted coiled tubing spool are also provided, as well as lubricated coiled tubing riser assemblies which interface with self-standing riser systems. Tractors, swivel plates, buoyancy devices and positioning systems therefor; and a self-standing riser system joined with one or more of a blowout preventer, wellhead, production tree or injection tree are also disclosed. | 05-21-2009 |
20090162146 | SYSTEM AND METHOD FOR INSTALLING A SUBSEA PIPELINE - The disclosure provides a system and method for installing subsea equipment, such as a pipeline and equipment associated therewith in a target area, generally having restricted overhead access. An anchor can be installed in the seabed and can include one or more sheaves. A pipeline can be provided, which can include related equipment and/or one or more coupling devices situated remotely from the anchor relative to the target area. A winch wire can be provided and is adapted to be directly or indirectly coupled across at least a portion of the target area to the pipeline. A transfer sling having a pull wire and an initiation wire can be coupled between the winch wire and pipeline to assist the winch wire pulling the pipeline into the target area and transferring a pipeline force from the sheave to the anchor independent of the sheave. | 06-25-2009 |
20090279956 | SACRIFICIAL STINGER IMPACT ABSORBER - A marine pipelaying vessel with a pipeline stinger connected to said vessel, preferably pivotable, and forming a downwardly directed support for pipeline to be laid. The vessel further comprises a stinger suspension assembly between said stinger and said vessel from which said stinger is suspended at least during operation, preferably said stinger suspension assembly allowing to lower and raise said stinger. | 11-12-2009 |
20090324339 | Marine Pipelaying System for Laying an Offshore Pipeline - A marine pipelaying system and method for installing an offshore pipeline that includes one or more accessories. The system comprises a vessel ( | 12-31-2009 |
20100034590 | METHOD FOR LAYING A PIPELINE HAVING AN INNER CORROSION PROOF CLADDING - Method for laying a pipeline onto a seabed from a lay barge, the pipeline having an inner corrosion proof metallic cladding that is closely fitted with metallic contact to an outer pipe material that is less corrosion proof, distinguished in that a) a section of the pipeline is reeled onto a pipe laying drum, whilst an overpressure of 5-25 bar is maintained within the section by means of a pressurised fluid inside the section, b) a further pipeline section is joined to the section already reeled onto the pipe laying drum, whilst the pipeline is motionless without mechanical movement, as the overpressure can be relieved as long as the sections are without mechanical movement, c) an overpressure of 5-25 bar is applied within the sections and the further section is reeled onto the pipe laying drum, d) several sections are joined together and reeled onto one or several pipe laying drums by repeating step b) and c) until the predetermined pipeline length is achieved, e) the pipeline is laid from the lay barge onto the seabed using conventional method, whilst an overpressure of 5-25 bar is maintained within the pipeline by means of a pressurised fluid until the pipeline is correctly placed onto the seabed. | 02-11-2010 |
20100040417 | Pipelaying Vessel - There is disclosed a variety of arrangements for laying of rigid pipe from reeled storage and/or on-board welding fabrication. Thirteen independent aspects of the invention are identified. In one particular arrangement ( | 02-18-2010 |
20100054860 | SEISMIC CABLE WITH ADJUSTABLE BUOYANCY - A method and apparatus for a seismic cable is described. In one embodiment, the seismic cable includes a first cable segment and a second cable segment coupled together by a connector. Each cable segment includes an inner jacket defining a hollow core, a braided strength fiber surrounding the inner jacket, and an outer jacket circumferentially surrounding the braided strength fiber, wherein the connector isolates the first and second cable segments. | 03-04-2010 |
20100054861 | Device and Method for Lowering or Raising the End of an Underwater Pipe From a Laying Vessel - A device and a method for lowering or raising the end of an undersea pipe between a vessel and the sea bottom by a carriage moving along an inclined J-lay tower and co-operating with chain-locking devices connecting the top end of the pipe to a storage area by passing over a deflector sheave secured to said carriage. A first chain-locking device is secured to said carriage and serves to lock the abandonment chain while lowering said carriage and said top end of the pipe at the end of the chain, said second locking device then being in an open position at the base of said tower. Thereafter, said abandonment chain is locked at the low portion of the tower with the help of said second chain-locking device, with the first chain-locking device being in the open position while the carriage is being raised. | 03-04-2010 |
20100086360 | LAY RAMP FOR AN UNDERWATER-PIPELINE LAYING VESSEL, LAY RAMP ACTUATING METHOD, AND LAYING VESSEL COMPRISING SUCH A LAY RAMP - A lay ramp for an underwater-pipeline laying vessel has an inside ramp hinged to the laying vessel; an outside ramp hinged to the inside ramp; and an actuating device having a first actuating assembly for rotating the inside ramp with respect to the laying vessel, and a second actuating assembly secured to the outside ramp and to the first actuating assembly to rotate the outside ramp with respect to the inside ramp. | 04-08-2010 |
20100092244 | METHOD AND APPARATUS FOR LAYING A MARINE PIPELINE - An apparatus to be mounted on a vessel for a laying a marine pipeline having accessories on the end of the pipeline and/or at one or more intermediate locations along the pipeline, said apparatus comprising a pipeline launch ramp ( | 04-15-2010 |
20100104371 | PREFABRICATION OF PIPE STRINGS ON BOARD OF PIPE-LAYING VESSELS - A method of laying pipeline from a vessel ( | 04-29-2010 |
20100104372 | WIRELINE INTERVENTION SYSTEM - An apparatus for controlling tension in a wireline ( | 04-29-2010 |
20100111612 | PIPELINE LAYING VESSEL AND METHOD OF LAYING A PIPELINE - The invention relates to a pipeline laying vessel ( | 05-06-2010 |
20100119307 | SYSTEM USABLE WITH A PIPE LAYING VESSEL - A system usable with a pipe laying vessel, includes a support frame, such as a deck frame of the vessel, and a loader arm which is movable between a loading position and an upright position. The loader arm is provided with a pipe section manipulation system. A first clamping member is provided having a substantially fixed position with respect to the support frame. The first clamping member is operable between a clamped position for supporting the weight of the pipeline, and a released position for allowing the pipeline to be lowered. A second clamping member is movable between an upper position and a lower position. The second clamping member is operable between a clamped position for supporting the weight of the pipeline during movement from the upper position to the lower position, and a released position for moving the second clamping member from the lower position to the upper position. | 05-13-2010 |
20100158613 | PIPELAYING VESSEL - The present invention relates to an apparatus for continuously laying a pipeline on the floor of a body of water from a pipelaying vessel, said apparatus comprising: a generally cylindrical reel with an axis upon which the pipeline is wound, a stinger provided at the stern of the vessel for guiding the lowered pipeline, launch means for the controlled lowering of the pipeline over the stinger of said vessel and into the body of water. This apparatus further comprises a frame supporting the reel and the launch means, adapted to be moveable with respect to the vessel in the longitudinal direction of the pipeline, and a tension device to be mounted between the frame and the vessel, adapted to control the pipeline tension in a predetermined tension range during pipelaying. | 06-24-2010 |
20100172697 | Self-Standing Riser and Buoyancy Device Deployment and Positioning System - A water-borne vessel for deploying a self-standing riser system is provided, wherein the vessel hull is configured to receive, transfer and deploy components of a self-standing riser system. The vessel hull includes at least a landing platform, a component transfer means, and a deployment platform suitable for deploying the riser components into associated surrounding waters. Various means of assisting the process whereby self-standing riser components are loaded onto the vessel and stored; transferred from receiving to deployment platforms; and deployed from the vessel into surrounding waters are also considered. | 07-08-2010 |
20100189513 | LAY RAMP ACTUATING DEVICE AND METHOD FOR AN UNDERWATER-PIPELINE LAYING VESSE, AND RELATIVE PIPELINE LAYING VESSEL - An actuating device ( | 07-29-2010 |
20100209197 | METHOD OF INSTALLING A TUBULAR UNDERSEA PIPELINE - An undersea installation for transporting hydrocarbons between a seabed and a surface and to a method for installing same. The installation includes a tubular undersea pipeline, a float and a coupling device. The undersea pipeline has a rising part, a connecting part and an intermediate portion. The coupling device includes a first longitudinal part and a second part connected in a coupling region of the first part. The coupling region of the first longitudinal part and the float being configured to be connected together. The first part is configured to pivot about the coupling region while bending the intermediate portion when the rising part is unwound and tilts towards the seabed. | 08-19-2010 |
20100232884 | Marine Pipeline Installation System and Methods - A marine pipeline installation system for laying an offshore pipeline and/or installing a subsea riser, the system at least allowing to carry out the reel lay method, wherein the system comprises: | 09-16-2010 |
20100247244 | Deployment system for fiber-optic line sensors - A system for deploying a fiber optic line sensor is provided that includes a launch vehicle to which three sections are attached. The first section is a buoy antenna section. The second section is an electronics canister section having control electronics. These sections are releasably attached to the launch vehicle. The electronics canister section is in contact with the antenna section and secured to the antenna section by a spring band. A communications cable is attached between the antenna and the control electronics. The third section is a spool section containing a spool of a fiber optic line sensor. This third section is attached to the launch vehicle by a rigid mount and is in contact with the electronics canister section. The fiber optic line sensor extends from the spool section into the electronics canister section to the control electronics. | 09-30-2010 |
20100260552 | VESSEL FOR LAYING A PIPELINE AND COMPRISING AN A & R MEANS | 10-14-2010 |
20100310319 | Floating Support Comprising a Device for the Retention and Securing of a Subsea Pipe - A floating support including a retaining and holding device for retaining and holding a pipe suspended from a floating support of the type comprising a ship for laying a bottom-to-surface connection pipe. The retaining and holding device comprises at least a first collar releasably locked around an end forging of a pipe element together with a support part at the floating support, said support part including load transfer and a rotary joint enabling the inclination of the pipe to be guided and having an effect of automatically centering the pipe. | 12-09-2010 |
20110020067 | METHOD OF INSTALLING AN UNDERWATER RISER - A method of installing an underwater riser includes anchoring an installation to the seabed; coupling a tubular pipe to the installation; equipping the installation with a submersible float; submerging the float and the pipe, while the float and the pipe are being held from a surface vessel; a cable and a return device are installed on the seabed installation so that the cable can be connected to the pipe; attaching a submerged hauling buoy to the hauling cable; then removing ballast from the float in order to compensate for the tensile forces corresponding to the weight of the float and the pipe and to some of the load applied to the cable; and finally, anchoring of the hauling buoy to the installation, and gradually releasing the float. | 01-27-2011 |
20110038672 | SYSTEM AND METHODS TO INSTALL SUBSEA STRUCTURES - A system comprising a structure defining an interior of the system; an apparatus exterior to the structure, the apparatus adapted to reduce in size when lowered into a body of water; a strap exterior to the apparatus, the strap adapted to reduce in size as the apparatus reduces in size. | 02-17-2011 |
20110052324 | GUIDE DEVICE FOR SUPPORTING AN UNDERWATER PIPELINE, LAYING RAMP COMPRISING SUCH A GUIDE DEVICE, LAYING VESSEL EQUIPPED WITH SUCH A LAYING RAMP, AND METHOD OF CONTROLLING AN UNDERWATER-PIPELINE LAYING RAMP - A guide device for supporting an underwater pipeline along a feed path as it is being laid. The device is fitted to a laying ramp and has a cradle housing the pipeline; a frame fixed to the laying ramp; and a spacer mechanism located between the frame and the cradle to selectively adjust the distance between the cradle and frame. The device further includes a shock absorber connected to the cradle. The invention includes a method for using the device. | 03-03-2011 |
20110097156 | Pipe Laying Apparatus and Method - Apparatus for overboarding an article from a pipe laying vessel includes a pipe laying tower ( | 04-28-2011 |
20110103894 | MARINE PIPELAYING SYSTEM AND METHOD - The invention relates to a marine pipelaying system comprising a vessel ( | 05-05-2011 |
20110123272 | Method and Apparatus for Laying Offshore Pipeline from a Vessel - The present invention relates to a method and apparatus for laying offshore pipeline from a reel lay vessel. The invention involves providing a pipeline laying tower with a travelling clamp, which can be used to suspend the pipeline from the vessel, and a tensioner apparatus on the same tower, for providing a clamping force which can be used to suspend the pipeline from the vessel. The travelling clamp and tensioner apparatus may either be used separately or in conjunction with one another during the laying operation. The invention allows pipeline to be laid in very deep water. | 05-26-2011 |
20110123273 | MARINE PIPELINE INSTALLATION SYSTEM AND METHODS - A method for installing an accessory onto a pipeline to be laid on the seabed, includes launching the pipeline from a first position of a tower in which the tower is at an angle α with respect to the vertical; stopping the launch of the pipeline, and hanging off the launched pipeline in a hang off module; positioning an accessory in a tower firing line; attaching the accessory to the launched pipeline in the hang off module and to at least one A&R cable; suspending the accessory and the launched pipeline from an A&R system; disengaging the hang off module from the launched pipeline; pivoting the pipeline launch tower to an accessory launch position in which the tower is at an angle γ that differs substantially from angle α, such that a pipeline launch trajectory is created which is large enough to launch the accessory and the launched pipeline with the A&R system. | 05-26-2011 |
20110135396 | Self-Standing Riser and Buoyancy Device Deployment and Positioning System - A water-borne vessel for deploying a self-standing riser system is provided, wherein the vessel hull is configured to receive, transfer and deploy components of a self-standing riser system. The vessel hull includes at least a landing platform, a component transfer means, and a deployment platform suitable for deploying the riser components into associated surrounding waters. Various means of assisting the process whereby self-standing riser components are loaded onto the vessel and stored; transferred from receiving to deployment platforms; and deployed from the vessel into surrounding waters are also considered. | 06-09-2011 |
20110176875 | NODE STORAGE, DEPLOYMENT AND RETRIEVAL SYSTEM - A marine vessel is provided. The marine vessel comprises a cable handling system disposed on the marine vessel between a leading end and a trailing end of the vessel. The cable handling system comprises a cable handler positioned proximate the trailing end and a cable storage device positioned forward of the cable handler, the cable storage device and the cable handler adapted to receive a flexible cable and define a portion of a cable path therebetween. The marine vessel also comprises a seismic device storage structure extending between the leading end and the trailing end and disposed substantially parallel to the cable path, a ramp coupled to a portion of the trailing end of the vessel aft of the cable handler, and a staging section disposed between the seismic device storage structure and the ramp to provide transfer of seismic devices between the seismic device storage structure and the ramp. | 07-21-2011 |
20110182671 | MARINE PIPELINE INSTALLATION SYSTEM AND METHODS - The present invention relates to a marine pipeline installation system for laying an offshore pipeline and/or installing a subsea riser, said system being adapted to carry out the reel lay method and the J-lay method. The system comprises a vessel with a moonpool, a pipeline launch tower arranged on the vessel, a pipeline guide at an elevated position on said tower for guiding said pipeline to a pipeline launch trajectory along said tower, and one or more tensioners. The support assembly of at least one tensioner frame is adapted to allow for displacement of the tensioner frame between an active position, wherein the pipeline launch trajectory extends through the tensioner frame between the tracks, so that the tracks can engage on a pipeline, and a retracted and non-operable position. The system further comprises a J-Lay installation. | 07-28-2011 |
20110188941 | APPARATUS 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 proposed, which apparatus is also able to permit the pipelay vessel to “weather vane” about the pipe without twisting it. The apparatus comprises a hold off clamp ( | 08-04-2011 |
20110188942 | Offshore Coiled Tubing Deployment Vessel - An offshore coiled tubing deployment system is provided, wherein the system includes a sea vessel hull configured to include a mounted coiled tubing spool; and a mast configured to guide lengths of coiled tubing received from said mounted coiled tubing spool. Methods, means and locations for the mounted coiled tubing spool are also provided, as well as lubricated coiled tubing riser assemblies which interface with self-standing riser systems. Tractors, swivel plates, buoyancy devices and positioning systems therefore; and a self-standing riser system joined with one or more of a blowout preventer, wellhead, production tree or injection tree are also disclosed. | 08-04-2011 |
20110250019 | VESSEL AND METHOD FOR LAYING A PIPELINE - A pipeline laying vessel ( | 10-13-2011 |
20110262229 | METHOD AND APPARATUS FOR AT SEA PIPE ABANDONMENT AND RECOVERY - Method of positioning on the sea floor, from a floating vessel ( | 10-27-2011 |
20110274498 | PIPELAY VESSEL - A pipelay vessel has a stinger extending along and outboard of one side of the vessel. A diverter is arranged to lead pipe onto the stinger input end through a predominantly horizontal diversion angle from a pipeline source having a substantially horizontal orientation. The vessel is selectively operable in any one of three modes, namely: (1) shallow S-lay, in which the pipe is launched over a stern-mounted stinger with a launch angle which has a predominantly horizontal component; (2) steep S-lay, in which the pipe is launched over the side-mounted stinger with a launch angle which has a predominantly vertical component; and (3) J-lay, in which the pipe is welded at and launched from a tower. The axis of the J-lay apparatus is aligned with the departure axis of the side-mounted stinger. | 11-10-2011 |
20110286801 | J-LAY SYSTEM WITH DUAL LOADING CAPABILITY - A pipeline laying vessel includes a J-lay system which defines a firing line. The J-lay system includes at least one lowering device for lowering a pipe section or pipeline in the firing line from an upper position to a lower position. The vessel further includes a first pipe-moving device and a second pipe-moving device, where the first pipe-moving device is configured for moving a pipe section from a first remote position remote from the firing line to a firing line position in the firing line, and the second pipe-moving device is configured for moving a pipe section from a second remote position remote from the firing line to the firing line position in the firing line. A method for laying a pipeline uses the above mentioned pipeline laying vessel. | 11-24-2011 |
20120003047 | 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 during laying, a second pipe gripping assembly disposed on the pipe-laying path, and a drive unit for causing relative movement in a direction along the pipe-laying path between the first pipe gripping assembly and the second pipe gripping assembly. The first pipe gripping assembly includes both a pipe gripping arrangement for gripping a pipe during pipe-laying and a cable gripping arrangement for gripping a cable during an operation when a cable is connected to a length of pipeline. | 01-05-2012 |
20120020739 | PIPE LAYING APPARATUS AND METHOD - Apparatus for laying conduit from a vessel comprises reel carrier arranged to receive a reel ( | 01-26-2012 |
20120114419 | Pipeline Laying Apparatus and Method - The apparatus includes a tower ( | 05-10-2012 |
20120134751 | UNDERWATER PIPE-LAYING - A pipe-laying vessel for S-laying a pipeline is provided, the vessel defining a pipe-laying path extending along the vessel. The vessel includes one or more track tensioners disposed along the pipe-laying path, and a travelling clamp assembly, including a clamp mounted for movement along a length of the pipe-laying path. The vessel may also include a fixed clamp assembly located on the pipe-laying path for clamping the pipeline in a fixed position on the pipe-laying path. At least one of the clamp assemblies may include a load bearing structure and a clamp wherein a downstream-facing portion of the clamp is in an abutting relationship with an upstream-facing portion of the load bearing structure such that a downstream force exerted, in use, by the pipeline on the clamp is transmitted to the load bearing structure. | 05-31-2012 |
20120134752 | DEPLOYING SENSOR ARRAYS - There is described an apparatus and method for deploying a sensor array comprising a plurality of sensors ( | 05-31-2012 |
20120183357 | VERTICAL OFFSHORE FLEXIBLE PIPELINE ASSEMBLY - Offshore deployment device for an installation vessel with a deck to deploy a hydrocarbon transfer pipe composed of several pipe segments, the device comprising a trolley hoist lifting means, installed in a tower to lift a pipe segment from an horizontal position into a vertical position, an assembly platform, where a segment is connected to a previously launched transfer pipe string, the assembly platform being provided with a clamping device that is supported on the installation vessel and adapted to support the weight of the previously launched pipe string during assembling, characterized in that the hydrocarbon transfer pipe is a flexible hose string composed of several flexible hose segments, the flexible hose string being guided from a vertical position into an inclined or a horizontal position via a hose string guide element which is placed under the assembly platform. | 07-19-2012 |
20120207547 | SYSTEM, METHOD AND APPARATUS FOR SUBSEA INSTALLATION OF BUOYANCY MODULES - Systems, methods and apparatuses for the installation or removal of buoyancy modules onto or from a submerged conduit are described herein. A system may include a buoyancy module ( | 08-16-2012 |
20120219362 | OFFSHORE S-LAY PIPELAYING VESSEL - An offshore S-lay pipelaying vessel for laying a pipeline on the seabed, said vessel comprising:—a hull ( | 08-30-2012 |
20120237301 | OFFSHORE VESSEL FOR LAYING A PIPELINE ON THE SEABED, AND A METHOD FOR HANDLING PIPE SECTIONS - An offshore pipelaying vessel for laying a pipeline on a seabed includes a pipeline-laying installation having a preassembly line; an inspection station; an assembly line with a pipeline assembly station to assemble a pipeline to be launched from the vessel by joining multi and/or single length pipe sections end to end; and a conveyor system for transporting multi and single length pipe sections, said conveyor system comprising an entry-and-exit location, wherein the conveyor system is configured to allow transportation of multi and/or single length pipe sections at least along the following routes: directly from the entry-and-exit location to the assembly line; indirectly from the entry-and-exit location to the assembly line via the preassembly line and said inspection station; and from the entry-and-exit location to the preassembly line and said inspection station, and after passing said inspection station directly to the entry-and-exit location. | 09-20-2012 |
20120263540 | SUBSEA CABLE INSTALLATION UNIT - A subsea installation tool for installing a flexible body, e.g. a subsea fibre cable on a seabed from a surface vessel, and an associated method for installing the flexible body on the seabed is provided. The installation tool includes a tensioner that may be coupled to the flexible body to actively pull it down, thus increasing tension in an upper section of the cable from the installation vessel to the installation tool. High tension in the upper part of the cable gives good control even in strong sea currents. At the same time the tensioner enables lower tension in the bottom part cable from the installation tool to the seabed, giving good control of the touchdown position on the seabed. | 10-18-2012 |
20120269579 | Method of Abandoning an Underwater Pipeline on the Bed of a Body of Water - A method of abandoning an underwater pipeline on the bed of a body of water from a laying vessel includes the steps of lowering the free end of the pipeline into the body of water and onto the bed of the body of water using a first and second rope, both connected to the free end of the pipeline and extending from the laying vessel to the free end of the pipeline. The method also includes disconnecting the first rope from the free end of the pipeline, once the free end of the pipeline is laid on the bed of the body of water; and rewinding the first rope onto the laying vessel, while the second rope is still connected to the free end of the pipeline. | 10-25-2012 |
20120269580 | SEISMIC CABLE WITH ADJUSTABLE BUOYANCY - A method and apparatus for a seismic cable is described. In one embodiment, the seismic cable includes a first cable segment and a second cable segment coupled together by a connector that prevents transmission of power and data signals between the first cable segment and the second cable segment. Each cable segment includes an inner jacket defining a hollow core, a braided strength fiber surrounding the inner jacket, and an outer jacket circumferentially surrounding the braided strength fiber, wherein the connector isolates the first and second cable segments. | 10-25-2012 |
20120301225 | Offshore Coiled Tubing Deployment Vessel - An offshore coiled tubing deployment system is provided, wherein the system includes a sea vessel hull configured to include a mounted coiled tubing spool; and a mast configured to guide lengths of coiled tubing received from said mounted coiled tubing spool. Methods, means and locations for the mounted coiled tubing spool are also provided, as well as lubricated coiled tubing riser assemblies which interface with self-standing riser systems. Tractors, swivel plates, buoyancy devices and positioning systems therefor; and a self-standing riser system joined with one or more of a blowout preventer, wellhead, production tree or injection tree are also disclosed. | 11-29-2012 |
20130017019 | Laying Ramp, Laying Unit Comprising Such a Laying Ramp, and Method of Operating Such a Laying UnitAANM Bianchi; StefanoAACI Cermusco sul NaviglioAACO ITAAGP Bianchi; Stefano Cermusco sul Naviglio ITAANM Piccio; FlavioAACI MilanoAACO ITAAGP Piccio; Flavio Milano ITAANM Giovannini; UmbertoAACI CorsicoAACO ITAAGP Giovannini; Umberto Corsico ITAANM Mottini; MauroAACI Travaco' SiccomarioAACO ITAAGP Mottini; Mauro Travaco' Siccomario IT - A laying ramp for laying a pipeline on the bed of a body of water can include an elongated frame having a first and second end; connecting members connecting the first end of the elongated frame to a vessel; at least one guide device fitted to the elongated frame to guide the pipeline along the elongated frame; and a support assembly, which has at least one undercarriage to roll along the bed of the body of water and support the second end of the elongated frame. | 01-17-2013 |
20130028661 | Non-Rigid Product Laying Apparatus - An arrangement for laying non-rigid product offshore that includes a dual long grip length clamp arrangement installed vertically into a tower in a similar manner to a J-lay trolley/clamp system. The invention differs from a J-lay arrangement in that two clamps are used and the clamps are configured for use with non-rigid product, i.e. they have a long grip length in order to spread the load evenly. Each clamp is mounted on a trolley and can travel vertically up or down. The upper clamp is arranged with a distance between it and the lower clamp such that the upper clamp can lower the non-rigid product a suitable distance before the lower clamp grips the non-rigid product so as to create as close as possible continuous movement as practical. | 01-31-2013 |
20130034389 | 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 in the region of the first end of the vessel. The plurality of ramps includes a first ramp which is disposed along the pipelaying path, whose inclination is adjustable and which has a first upstream end and a second downstream end, and a second ramp which is disposed along the pipelaying path downstream of the first ramp, whose inclination is adjustable and which has a first upstream end and a second downstream end. The downstream end of the first ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel and the upstream end of the second ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel. An external ramp assembly is provided, including ramps and that can be pivoted relative to one another and locked in a selected position by a locking arrangement. | 02-07-2013 |
20130039701 | APPARATUS AND METHOD FOR INSTALLING A PIPELINE STRUCTURE AT SEA - Methods and apparatus for deploying pipeline from a vessel are described in relation to pipelines with installed accessories. One or more accessory support structures are installed at appropriate bedding locations on the seabed. In deploying pipeline from a vessel, an accessory is then attached at a position along the pipeline to correspond with the pre-installed accessory support structure bedding location. The pipeline and attached accessory are deployed and guided into engagement with the pre-installed accessory support structure on the seabed such that the pipeline is deployed substantially horizontally through the accessory support structure, and the accessory is supported by the pre-installed accessory support structure at the bedding location. | 02-14-2013 |
20130064606 | Seabed-to-Surface Linking Equipment Including a Flexible Pipe Guiding Structure - A bottom-to-surface connection installation between a plurality of undersea pipes resting on the sea bottom and a floating support on the surface and anchored to the sea bottom, the floating support including a turret; and a plurality of flexible hoses extending from the turret to respective ones of a plurality of rigid pipes, the rigid pipes providing connections between the flexible hoses and respective ones of the plurality of undersea pipes resting on the sea bottom, wherein the installation includes a guide structure maintained in the subsurface between the turret and the top of the rigid pipes, the guide structure being suitable for guiding the flexible hoses, the guide structure having a plurality of first guide elements with respective ones of the plurality of flexible hoses passing therethrough in such a manner that the flexible hose has at least a bottom flexible hose portion in a dipping catenary configuration, and a second flexible hose portion extending entirely above the point of contact between the flexible hose and the first guide element, this portion occupying a curve of catenary shape between the guide element through which it passes and the turret to which its top end is connected. | 03-14-2013 |
20130094910 | PIPELINE LAYING APPARATUS AND METHOD - There is provided a marine pipeline laying aligner ( | 04-18-2013 |
20130101355 | 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 vessel includes a cable storage device disposed on the vessel, a workstation disposed on a deck of the vessel, a ramp at least partially disposed on the deck, and a node storage and handling system disposed on the vessel. The node storage and handling system comprises a cable handler disposed between the cable storage device and the ramp, the cable handler having a cable disposed thereon and the cable defining a cable path passing over the workstation during a node deployment or retrieval operation, a node storage rack positioned between a bow and a stern of the vessel, and at least one conveyor belt to transfer nodes between the workstation and the node storage rack. | 04-25-2013 |
20130115007 | ABANDONMENT AND RECOVERY OF PIPELINES - An elongate sling section is disclosed. The elongate sling is cooperable with like sling sections to form a sling for use in abandonment or recovery of a pipeline. The sling section includes end-pieces at five opposite ends and complementary connector formations associated with each respective end-piece. Each connector formation is cooperable, in use when forming a sling, with a complementary connector formation of a neighbouring sling section in the sling. The sling section further includes a tensile load-bearing sling element extending between the end-pieces and a sleeve around the sling element. | 05-09-2013 |
20130115008 | UNDERSEA PIPE-LAYING - A vessel for laying a pipeline includes a plurality of ramps in the region of the first end of the vessel. The plurality of ramps includes a first ramp which is disposed along the pipelaying path, whose inclination is adjustable and which has a first upstream end and a second downstream end, and a second ramp which is disposed along the pipelaying path downstream of the first ramp, whose inclination is adjustable and which has a first upstream end and a second downstream end. The downstream end of the first ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel and the upstream end of the second ramp is positioned inboard of the first end of the vessel and above the bottom of the vessel. | 05-09-2013 |
20130142575 | Method of Laying a Pipeline from a Laying Vessel onto the Bed of a Body of Water, and Laying Vessel - A method of laying a pipeline from a laying vessel into a body of water includes guiding the pipeline along a supporting structure of a laying ramp using a number of guide devices, and acquiring an image of the pipeline, in an acquisition plane crosswise to the axis of the pipeline, at the free end of the laying ramp. The method also includes determining whether the acquired image is within an acceptance range predetermined as a function of the configuration of the supporting structure and the size of the pipeline, and emitting an error signal when the acquired image is not within the acceptance range. | 06-06-2013 |
20130164084 | METHOD OF LAYING A HYBRID PIPELINE ON THE SEABED - A rigid-to-flexible connector (RFC) is provided on the rigid pipe section instead of a pipeline end termination (PLET), and the pipe end having the RFC is raised to the surface of the sea, while leaving a portion of the rigid pipe section on the seabed. The RFC is then connected to one end of the flexible pipe section, and the latter lowered to the seabed, with the raised, end of the rigid pipe section attached, to return the rigid pipe section to the seabed. Since the RFC on the rigid pipe section is connected to the flexible pipe section at the surface of the sea, the RFC can have a simpler, lighter, technical design, resulting in significant cost, manufacturing time and quality control time savings. | 06-27-2013 |
20130170913 | TECHNIQUES FOR COATING PIPES - A method of coating a field joint of a pipeline to accelerate the cycle time comprises positioning a mould tool around the field joint to define a mould cavity and injecting plastics material into the mould cavity through a plurality of gates in the mould tool, spaced along the mould cavity. The material is injected through different gates at different times as the mould cavity is filled, specifically through at least one first gate to advance a melt front within the mould cavity, and subsequently through at least one second gate spaced from the first gate, preferably when the melt front passes the second gate. First and second mould tools may be positioned successively around the field joint to create inner and outer coatings on the field joint. An insert may be positioned in the mould cavity to be embedded in the injected plastics material. | 07-04-2013 |
20130189035 | LINEAR PIPE RECOVERY/LAY TENSIONERS AND METHODS OF USING SAME - Linear pipe recovery/lay tensioners can include one or more pivot assemblies for rotatably moving an upper track away from a lower track to facilitate placement of a pipe segment between the two tracks. In addition, or alternatively, the tensioners can include one or more hydraulic cylinders that provide flexible suspension to the upper and lower tracks so the tracks can move and rotate as necessary due to differing pipe segment shapes. In addition, or alternatively, the upper and lower tracks include one or more gripping pad having one or more gripping member that is sheathed by a compliant member until such time as the pipe segment compresses the compliant member causing the gripping member(s) to protrude from the compliant member and bite into the pipe segment. Rotation of the tracks is controlled by a hydraulic pump capable of rotating the tracks at the same rate or at different rates. | 07-25-2013 |
20130230356 | LINE-LAYING OPERATIONS - A line-handling apparatus for use in assembling a line being deployed from a vessel is disclosed. The line includes at least two sections of, for example, chain and wire in longitudinal sequence. A hang-off carriage has at least one line support adapted to support the line. The line support is capable of supporting a length of line hanging from the carriage via that support. The carriage is movable around a horizontal area located beneath separate line deployment locations on the vessel spaced horizontally from each other, to align the line support with each line deployment location, and to move the supported length of line between the line deployment locations for connection of subsequent sections of the line. | 09-05-2013 |
20130251456 | APPARATUS AND METHOD OF LAYING AN ELONGATE ARTICLE FROM A VESSEL - An apparatus for feeding an elongate article ( | 09-26-2013 |
20130302094 | DEVICE FOR TENSIONING AND GRIPPING A TUBULAR ELONGATED ELEMENT - The present disclosure relates to a device for tensioning and gripping a tubular elongated element ( | 11-14-2013 |
20140017011 | Offshore Horizontal Product Lay Arrangement - An arrangement that brings all of the separate elements of equipment used to lay product offshore such as pipe, umbilicals, and power cables and assembles them into a single device that can be installed on a vessel of opportunity, and includes functional improvements of each to optimize the use of the arrangement as a unit. A base is used for mounting, integration, and installation of the separate elements onto a vessel. The base receives a movable lay chute, means for moving and stabilizing the lay chute, a movable hang off clamp and work table, a movable access platform, a product support arm and wheel, and a fixed chute. | 01-16-2014 |
20140133919 | Offshore Cable Laying Method - A method for laying cable from a vessel at a near shore location in shallow water to shore. The cable on the vessel is wrapped around a modified roller quadrant on the vessel. The roller quadrant is moved from the vessel into the water. A pulling device is attached by a line to the roller quadrant. The pulling device is used to pull the roller quadrant and cable toward shore. The pulling device may be positioned in the water and moved to shore as required. The pulling device may also be initially positioned on shore. The roller quadrant may include a skid and buoyancy modules to reduce the pulling force required to move the roller quadrant and lay the cable to shore. | 05-15-2014 |
20140241809 | Offshore Coiled Tubing Deployment Vessel - An offshore coiled tubing deployment system is provided, wherein the system includes a sea vessel hull configured to include a mounted coiled tubing spool; and a mast configured to guide lengths of coiled tubing received from said mounted coiled tubing spool. Methods, means and locations for the mounted coiled tubing spool are also provided, as well as lubricated coiled tubing riser assemblies which interface with self-standing riser systems. Tractors, swivel plates, buoyancy devices and positioning systems therefor; and a self-standing riser system joined with one or more of a blowout preventer, wellhead, production tree or injection tree are also disclosed. | 08-28-2014 |
20140321920 | METHOD AND VESSEL FOR LAYING A PIPELINE - A stinger extends away from an end of a vessel, and a pipeline passes over the stinger as the pipeline is laid from the vessel. The inclination of the pipeline increases as the pipeline passes along the stinger and after leaving the stinger until the pipeline reaches an inflection point beyond the end of the stinger at which inclination is at a maximum. Inclination of the pipeline thereafter reduces until the pipeline touches down on the seabed. A method of S-laying the pipeline includes providing guides on the stinger that limit lateral movement of the pipeline relative to the stinger and moving the vessel and the stinger during S-laying to an orientation in which the longitudinal axis of the stinger is inclined to the path of the pipeline just laid. The vessel and the stinger are rotated about a vertical axis passing through or adjacent to the inflection point. | 10-30-2014 |
20140334879 | METHOD OF GRIPPING A PIPELINE - The present invention relates to a pipe section ( | 11-13-2014 |
20140334880 | MARINE PIPELAYING VESSEL AND METHOD FOR PIPELAYING - The present invention relates to a marine pipelaying vessel for S-lay pipelaying an offshore pipeline and integrating one or more accessories into the pipeline, and a method for S-lay pipelaying wherein use is made of such a vessel. The vessel according to the invention comprises a hull ( | 11-13-2014 |
20150010361 | OFFSHORE S-LAY PIPELAYING VESSEL - An offshore S-lay pipelaying vessel for laying a pipeline on the seabed, the vessel includes a hull and an elongated stinger having a hull end and a free end, the stinger being adapted to support the pipeline to be laid from the vessel. The stinger includes a stinger frame, possibly composed of one or more rigid stinger frame sections, possibly articulated sections. And, distributed over the length of the stinger, multiple pipeline support assemblies are mounted to the stinger frame that provide support for the pipeline. | 01-08-2015 |
20150037101 | ELECTRONIC SYSTEM, METHOD, AND PROGRAM FOR CONTROLLING A VARIABLE-CONFIGURATION LAY RAMP OF A PIPELINE LAYING VESSEL, TO LAY A PIPELINE ON THE BED OF A BODY OF WATER - An electronic control system configured to control a variable-configuration lay ramp of a pipeline laying vessel, to lay a pipeline on the bed of a body of water, is configured to: acquire data including data related to the configuration of the lay ramp, data related to the laying vessel, and data related to the forces transmitted by the lay ramp and the laying vessel to the pipeline; generate a plurality of step sequences to change the configuration of the lay ramp from a first to a second work configuration; and select a best step sequence as a function of the plurality of step sequences and the acquired data, so as to minimize the stress induced in the pipeline at each intermediate configuration between the first and second work configuration. | 02-05-2015 |
20150063917 | MARINE PIPELINE INSTALLATION SYSTEM AND METHODS - A method for installing an accessory onto a pipeline to be laid on the seabed, includes launching the pipeline from a first position of a tower in which the tower is at an angle α with respect to the vertical; stopping the launch of the pipeline, and hanging off the launched pipeline in a hang off module; positioning an accessory in a tower firing line; attaching the accessory to the launched pipeline in the hang off module and to at least one A&R cable; suspending the accessory and the launched pipeline from an A&R system; disengaging the hang off module from the launched pipeline; pivoting the pipeline launch tower to an accessory launch position in which the tower is at an angle γ that differs substantially from angle α, such that a pipeline launch trajectory is created which is large enough to launch the accessory and the launched pipeline with the A&R system. | 03-05-2015 |
20150104258 | METHOD OF LAYING A PIPELINE - A method of laying a subsea pipeline from a reel, the pipeline having an in-line first locking member, the method having at least the steps of: (a) laying the pipeline under the water from the reel; (b) cutting the pipeline above the first locking member; (c) coupling the first locking member with a complementary second locking member; and (d) lowering the first and second locking members under the water. In this way, the pipeline already has located within it a suitable locking member for the abandoning operation, avoiding the need for a separate off-shore welding operation. | 04-16-2015 |
20150125216 | Offshore Horizontal Product Lay Arrangement - An arrangement that brings all of the separate elements of equipment used to lay product offshore such as pipe, umbilicals, and power cables and assembles them into a single device that can be installed on a vessel of opportunity, and includes functional improvements of each. A base is used for mounting, integration, and installation of the separate elements onto a vessel. The base receives a movable lay chute, means for moving and stabilizing the lay chute, a movable hang off clamp and work table, a movable access platform, a product support arm and wheel, and a fixed chute. | 05-07-2015 |
20150139736 | LAYING OF CONDUIT AT SEA USING HORIZONTAL REELS - A method of laying conduit at sea from a reel vessel includes the steps of laying conduit, for example pipeline or umbilical, from a first reel which rotates about a first substantially vertical axis. Conduit is laid from a second reel of conduit rotating about a second substantially vertical axis spaced apart from the first axis. A portion of the route travelled by the conduit during the step of laying conduit from the first reel of conduit is substantially the same as a portion of the route travelled by the conduit during the step of laying conduit from the second reel of conduit, for example, the conduit from the second reel may pass around a part of the periphery of the first reel and then follow substantially the same path as previously travelled by the conduit laid from the first reel. | 05-21-2015 |
20150316175 | DEVICE OF THE TENSIONER TYPE FOR THE CONTROLLED CLAMPING AND MOVING OF AN ELONGATED ELEMENT - Disclosed is a laying device ( | 11-05-2015 |
20150325987 | Submarine Cable System - A system and method of utilizing a submarine cable system. The cable system comprises a plurality of buoys tethered to anchors. The tethers are adjustable in length to allow for suspending a submersible cable above the seafloor when installed. The system allows for cost savings, by minimizing the length of submersible cable needed to traverse a body of water. | 11-12-2015 |
20150354728 | APPARATUS AND METHOD FOR INSTALLATION AND PROTECTION OF SUB SEA CABLES - An apparatus for installation and protection of subsea cables comprises at least a first tubular member ( | 12-10-2015 |
20160003374 | MARINE PIPELINE INSTALLATION VESSEL AND METHOD - A marine pipeline installation vessel for laying a pipeline on the seabed, the vessel at least being adapted to carry out the reel lay method, wherein the vessel includes at least a first and a second storage reel for storage of the pipeline to be laid, which storage reels are positioned in or onto the vessel; a pipeline launch tower mounted to the vessel, which pipeline launch tower is adapted to launch the pipeline in a firing line along said tower; a pipeline guide which is mounted at an elevated position to the pipeline launch tower, which pipeline guide has a pipeline guide surface member providing an essentially circular or semi-circular pipeline guide surface, which pipeline guide is adapted to—in a primary pipelaying position thereof relative to the tower guide a pipeline from a first storage reel over the pipeline guide into the firing line, wherein the pipeline contacts the pipeline guide surface at a first contact point fore of the firing line and departs the surface at a first departure point into the firing line. | 01-07-2016 |
20160041283 | OVERBOARD SYSTEM FOR DEPLOYMENT AND RETRIEVAL OF AUTONOMOUS SEISMIC NODES - Embodiments of systems and methods for deploying and retrieving a plurality of autonomous seismic nodes from the back deck of a marine vessel using an overboard node deployment and retrieval system are presented. The overboard system may comprise one or more overboard wheels that are actively powered to move in response to changes in movement of the deployed cable. The overboard system may comprise a first overboard wheel with a plurality of rollers and a second overboard wheel configured to detect movement and/or changes in a position of the deployment line. The overboard system may be configured to move the first overboard wheel in response to movement of the second overboard wheel. In addition, the first overboard wheel may comprise at least one opening or pocket configured to hold a node while the node passes across the wheel. Other seismic devices may also pass through the overboard system, such as transponders and weights attached to the deployment cable. | 02-11-2016 |
20160041285 | FULLY CONTAINERIZED DEPLOYMENT SYSTEM FOR AUTONOMOUS SEISMIC NODES - Containerized handling, deployment, and retrieval systems for deploying and retrieving a plurality of autonomous seismic nodes from the back deck of a marine vessel are presented. The handling system may comprise a deployment system and a node storage and service system fully contained within a plurality of CSC approved ISO containers. Each of the components of the handling system may be located in a CSC approved ISO container for storage, operation, and transport. In one embodiment, the node deployment system is configured to retrieve and deploy autonomous seismic nodes from the back deck of a vessel. In one embodiment, the node storage and service system is configured to transfer nodes to and from the node deployment system for storage and servicing. | 02-11-2016 |
20160061352 | UNDERWATER SUPPORT DEVICE AND INSTALLATION METHOD FOR INITIATING THE LATERAL BUCKLING OF A RIGID PIPE - An underwater support device and an installation method for initiating the buckling of a section of rigid underwater pipe ( | 03-03-2016 |
20160097469 | OFFSHORE S-LAY PIPELAYING VESSEL - An offshore S-lay pipelaying vessel for laying a pipeline on the seabed, the vessel includes a hull and an elongated stinger having a hull end and a free end, the stinger being adapted to support the pipeline to be laid from the vessel. The stinger includes a stinger frame, possibly composed of one or more rigid stinger frame sections, possibly articulated sections. And, distributed over the length of the stinger, multiple pipeline support assemblies are mounted to the stinger frame that provide support for the pipeline. | 04-07-2016 |
20160153584 | DEVICE FOR LAYING AN ELONGATE ELEMENT IN A STRETCH OF WATER, ASSOCIATED INSTALLATION AND ASSOCIATED METHOD | 06-02-2016 |
20160377196 | VESSEL WITH STINGER HANDLING SYSTEM - A pipelay vessel has a crane having a base with a hollow interior and a stinger handling system for handling a stinger extending from the side of the vessel. The stinger handling system has a link extending out through an opening from the hollow interior towards the side of the vessel for connection to the stinger. The link is arranged to transmit both tensile and compressive loading. A jack structure, located within the hollow interior of the crane base is mounted to extend and retract the link from within the crane base to raise and lower the stinger. A universal coupling may be provided for self aligning the link to the stinger in the horizontal plane. | 12-29-2016 |