| SAIPEM S.p.A. Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
| 20120114420 | GROUP AND METHOD FOR LAYING AND BURYING PIPELINES AT THE SEAFLOOR - The present invention relates to a group and a method for laying and burying pipelines at the seafloor, wherein the laying and burying group according to the present invention comprises a digging device ( | 05-10-2012 |
| 20120111255 | Traction Method And System For An Operating Line, In Particular A Mooring Line, Of A Floating Production Unit - A traction method for an operating line, in particular a mooring line, of a floating production unit includes the steps of: attaching an end chain portion of the operating line to a socket of a main cable running through a sheave at a work station; reeling in the main cable, using a winch, to bring the socket of the main cable up to the sheave; locking the operating line with a chain stopper; slackening the main cable and moving the sheave closer to the chain stopper to reduce pull on the main cable; reeling in the main cable to run the socket of the main cable through the sheave; once the socket of the main cable has run through the sheave, releasing the operating line from the chain stopper, and reeling in, by means of the winch, the main cable and the operating line connected to it, to set the operating line to a given tension. | 05-10-2012 |
| 20120097378 | TUBE BUNDLE EQUIPMENT WITH LIQUID FLOW REGULATOR ELEMENTS - Tube-bundle equipment of the falling liquid film type, comprising a vertical cylindrical body closed at the ends and divided into at least an upper section, an intermediate section and a lower section by means of two perforated tube sheets arranged transversally to support the tubes forming the bundle, wherein each of said tubes is surmounted, on the upper end, by a ferrule, for the inlet and distribution of the liquid in the form of a film, which comprises in the upper part, one or more openings for the outlet of vapours, at an intermediate height one or more openings, preferably tangential, for the inlet of the liquid and below, a circular base for resting on said tube from which an internal cylindrical section, inserted in the tube for a length varying from 10 to 200 mm, protrudes downwards together with an outer metallic strip for a length of at least 2 mm, so that, in the circular area defined between said outer metallic strip and said protruding cylindrical section, there is a gasket, inserted between said circular base of the ferrule and said upper edge of the tube. | 04-26-2012 |
| 20120093585 | PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE - A pipe-laying vessel ( | 04-19-2012 |
| 20120039787 | PROCESS FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM - A process for the recovery of ammonia contained in a gaseous stream is described, said process comprising the following phases: (a) subjecting the gaseous stream containing ammonia to a washing (S) with an aqueous washing solution ( | 02-16-2012 |
| 20120018166 | Vessel For Operating On Underwater Wells And Working Methods Of Said Vessel - A vessel for operating on underwater wells has a deck; a moon pool extending through the deck; a further deck elevated above the moon pool and having a hole; and a compensation unit, which is mounted on the deck above the moon pool, is arranged between the deck and the further deck, and is provided with a frame sliding along the deck, a support carrier moveable with respect to the frame in a direction substantially vertical and suitable to support items, and a driving assembly connecting the support carrier to the frame and suitable to be selectively set so as to displace in the direction the support carrier either in a heave compensation mode or in a elevator mode. | 01-26-2012 |
| 20120010451 | PROCESS FOR OBTAINING HIGH-PURITY 1-BUTENE FROM C4 HYDROCARBON MIXTURES - A process is described for obtaining high-purity 1-butene starting from C | 01-12-2012 |
| 20120009021 | SUBMARINE PIPELINE TOWING EQUIPMENT, SYSTEM AND PROCESS - A submarine pipeline towing equipment including: a floater of prismatic shape with a horizontal or vertical axis, with a variable or partially variable buoyancy, whose lower base is at least partially open by an opening or hole to operate as an air chamber. The floater includes: at least one inlet including a valve through which air is supplied; at least one outlet including a valve through which air is discharged; an actuator to control the valve to supply air; an actuator to control the valve to discharge air; a mechanism connecting the equipment to the pipeline; a mechanism transferring air to the floater; a mechanism actuating the actuator to control the valve to supply air in function of a predefined level in the floater; and a mechanism actuating the actuator to control the valve to discharge air in function of the distance of the floater itself from the seabed. | 01-12-2012 |
| 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 |
| 20110260481 | GRIPPING DEVICE FOR GRIPPING UNDERWATER PIPELINES AT THE LAYING STAGE, AND RELATIVE AUXILIARY GRIPPING TOOL - A gripping device, for gripping underwater pipelines at the laying stage, has jaws that are pressed onto a pipeline extending along an axis substantially parallel to a laying direction, and have respective friction pads that are brought cyclically into contact with the outer face of the pipeline; and auxiliary gripping tools, which have panels for covering respective friction pads, and are selectively connectable to the jaws to increase grip between the jaws and the pipeline. | 10-27-2011 |
| 20110236137 | PIPE-LAYING VESSEL AND METHOD OF LAYING A PIPELINE - A pipe-laying vessel ( | 09-29-2011 |
| 20110213186 | MODIFIED TUBULAR REACTOR AND PROCESS FOR EFFECTING CATALYTIC REACTIONS INVOLVING THERMAL EXCHANGES IN WHICH IT IS USED - A tubular reactor is described, for catalytic reactions involving thermal exchanges, in particular for etherification reactions between branched olefins and linear alcohol, for dimerization reactions of branched olefins or cracking reactions, essentially consisting of a vertical tube-bundle exchanger whose tubes contain catalyst, having inlet and outlet nozzles for each passage side of the reagents, catalyst and thermal exchange liquid, characterized in that it has one or more metallic supports situated outside the lower tube plate in the lower part of the reactor for sustaining the catalyst so that the same catalyst is contained not only in the tubes of the tube-bundle but also in said lower part outside the lower tube plate and also in the upper part outside the upper tube plate. | 09-01-2011 |
| 20110211913 | Method And System Of Laying Underwater Pipelines In The Bed Of A Body Of Water - A method of laying underwater pipelines in the bed of a body of water, the method including laying an underwater pipeline along a given path on the bed of the body of water; breaking up a ground mass along the path to a given depth in the bed; and fluidifying the broken ground mass beneath the underwater pipeline to sink the underwater pipeline into the fluidified ground mass. | 09-01-2011 |
| 20110198316 | METHOD AND APPARATUS FOR MEASURING A PIPE WELD JOINT - An internal line-up clamp ( | 08-18-2011 |
| 20110148016 | DEVICE FOR DAMPING AND MECHANICAL DISSIPATION OF DYNAMIC DISTURBANCES TRANSMITTED BETWEEN TWO BODIES, GENERATED BY FORCING ELEMENTS OF A DYNAMIC, SEISMIC NATURE AND BY WAVE-MOTION IN GENERAL STRUCTURES - The present invention relates to a damping and dissipation device ( | 06-23-2011 |
| 20110091369 | METHOD FOR THE RECOVERY OF AMMONIA FROM A GASEOUS STREAM IN A SYNTHESIS PROCESS OF UREA - The present invention relates to a process for the recovery of ammonia contained in a gaseous purging stream produced in a synthesis process of urea, comprising the following phases: a) subjecting the gaseous purging stream to a washing with an aqueous acidic solution, at a pH ranging from 1 to 6, with the formation of a first purified gaseous stream and an aqueous solution containing an ammonium salt; b) subjecting the aqueous solution containing the ammonium salt coming from phase a) to stripping, after treatment with a strong base, at a temperature ranging from 50 to 250° C. and a pressure ranging from 1 to 40 absolute bar, with the formation of a second gaseous stream comprising NH | 04-21-2011 |
| 20100301103 | METHOD AND APPARATUS FOR THE WELDING OF PIPES - Two pipes are arranged end to end, the pipes being shaped such that a groove is defined between the ends of the pipe. A plurality of welding torches are used to weld in the groove, such that at least some of the welding torches perform a first welding pass, the welding characteristics of the torches are adjusted and at least some of the welding torches are used to perform a second welding pass. At least one torch welds in a first sector in the first welding pass and a second sector in the second welding pass, the second sector being different to the first. The sectors might overlap or might not overlap. | 12-02-2010 |
| 20100217041 | ENHANCED PROCESS FOR THE SYNTHESIS OF UREA - An enhanced process is described for the synthesis of urea from ammonia and carbon dioxide, at a high pressure and temperature, with the formation of ammonium carbamate as intermediate, which includes a high pressure synthesis section, comprising at least one separation step by decomposition-stripping with ammonia of the non-converted ammonium carbamate, carried out in a vertical apparatus, commonly called stripper, characterized in that said step also comprises a feeding, in the lower part of said stripper, of a stream of CO | 08-26-2010 |
| 20100186881 | METHOD FOR FORMING A PROTECTIVE COAT ABOUT A CUTBACK BETWEEN PIPES FORMING PART OF AN UNDERWATER PIPELINE - A method of forming a protective coat about a cutback between pipes forming part of an underwater pipeline provides for laying a thermoplastic sheet on a supporting sheet; and winding the thermoplastic sheet and the supporting sheet about the cutback to join the thermoplastic sheet to the cutback. | 07-29-2010 |
| 20100166501 | DEVICE AND METHOD FOR THE TOWING OF UNDERWATER PIPELINES - Device and method for the towing of underwater pipelines ( | 07-01-2010 |
| 20100104371 | PREFABRICATION OF PIPE STRINGS ON BOARD OF PIPE-LAYING VESSELS - A method of laying pipeline from a vessel ( | 04-29-2010 |
| 20100080657 | UNDERSEA PIPE-LAYING - A monohull vessel for laying a pipeline includes tensioners | 04-01-2010 |
| 20100065614 | PIPE-JOINING METHOD AND APPARATUS FOR PRODUCING UNDERWATER PIPELINES, AND UNDERWATER-PIPELINE-LAYING VESSEL COMPRISING SUCH AN APPARATUS - A method of joining pipes ( | 03-18-2010 |
| 20100031609 | TRANSPORTATION OF SULPHUR FROM SOLID SULPHUR DEPOSITS, IN BLOCKS OF LARGE DIMENSIONS - Procedure for the low-risk and zero-emission transportation of sulphur from solid sulphur deposits, in blocks of large dimensions, characterized in that it comprises the formation of blocks of sulphur, having suitable dimensions for being moved, by means of water cut techniques and the wrapping of the blocks obtained in polyethylene sheets. | 02-11-2010 |
| 20100006627 | WELDING SYSTEM - A welding bug ( | 01-14-2010 |
| 20090260559 | Traction system for operating lines, in particular mooring and/or production lines, of a floating production unit - A traction system for operating lines, in particular mooring lines and/or production lines, of a floating production unit has a number of work stations distributed along the unit, at least at two ends of the unit, and engaged by respective operating lines; a main winch; and a cable transmission device having a duty cable connected to the main winch, and guide means for selectively routing the duty cable to each work station for attachment to a respective operating line; at least one auxiliary winch, having an auxiliary cable connectable to the duty cable, is used to unwind the duty cable off the main winch and run the duty cable, along paths defined by the guide members, into a number of positions close to respective work stations. | 10-22-2009 |
| 20090253942 | PROCESS FOR THE PRODUCTION OF ALKYL ETHERS BY THE ETHERIFICATION OF ISOBUTENE - Process for the production of alkyl ethers by the etherification of isobutene, contained in C | 10-08-2009 |
| 20090206060 | Arc Welding Torch And Method Of Using Same - The present invention relates to a welding torch that includes an electrode ( | 08-20-2009 |
