公开(公告)号：US20220316285A1

公开(公告)日：2022-10-06

申请号：US17641755

申请日：2019-09-09

Applicant: SAIPEM S.P.A.

Inventor： Sergio SIMÕES ,  Otávio BORGES SERTÃ

IPC: E21B19/00

Abstract: A method approximates and connects an off shore riser duct to a floating unit, includes installing a tubular coupling recipient on the floating unit at a riser coupling level, the coupling recipient having an annular side wall extending around a longitudinal axis. A pulling device is on the floating unit at a pulling device level above the riser coupling level. The pulling device pulls a line extended through the coupling recipient and connected to a pulling head at a riser duct upper end. The riser duct upper end is pulled into the coupling recipient, providing a locking mechanism to lock a coupling adapter against downward withdrawal. Extending the line along a curved deviating surface deviates the pulling direction. The curved deviating surface is formed by a deviating member connected to the coupling recipient at a distance from the longitudinal axis smaller than an annular side wall to longitudinal axis distance.

公开(公告)号：US11440626B2

公开(公告)日：2022-09-13

申请号：US16771527

申请日：2018-12-07

Applicant: SAIPEM S.p.A.

Inventor： Alberto Serena ,  Giovanni Massari ,  Diego Lazzarin

IPC: B63B22/18 ,  B63G8/00 ,  B63B22/04

Abstract: A system for power and data transmission in a body of water to unmanned underwater vehicles comprises a floating surface station for generating electric energy and receiving and transmitting data; an underwater station connectable to at least one unmanned underwater vehicle; at least one submerged depth buoy; and an umbilical, which comprises a power transmission line and a data transmission line, is mechanically and electrically connected to the surface station and to the underwater station, and is mechanically coupled to the depth buoy so that the umbilical comprises a first umbilical section that is stretched between the underwater station and the depth buoy and a second umbilical section that extends loose between the depth buoy and the surface station.

公开(公告)号：US11376542B2

公开(公告)日：2022-07-05

申请号：US16652607

申请日：2018-10-25

Applicant: SAIPEM S.p.A.

Inventor： Cristina Cerrone ,  Jacopo Cedrati

IPC: B01D53/00 ,  C07C273/16 ,  B01D3/10 ,  B01D53/14

Abstract: An apparatus for treatment of process vapours coming from a vacuum concentration section of a urea plant, comprising a vacuum system having a plurality of successive condensation stages, connected in series by respective line portions and crossed in series by process vapours to be treated; the apparatus has at least one primary steam condensate inlet for feeding steam condensate to the vacuum system and positioned, with reference to a circulation direction of the process vapours in the vacuum system, upstream of at least one selected condensation stage, or in at least one selected condensation stage.

公开(公告)号：US20220186202A1

公开(公告)日：2022-06-16

申请号：US17598119

申请日：2020-03-17

Applicant: SAIPEM S.P.A.

Inventor： Richard DAIGLE ,  Mikael BEDARD ,  Eric MADORE ,  Sylvie FRADETTE ,  Normand VOYER

IPC: C12N9/88

Abstract: Recombinant carbonic anhydrase variants having improved solubility and/or thermostability for enzyme-enhanced CO2 capture are provided. Host cells, methods, and processes relating to same are also provided.

公开(公告)号：US20220163150A1

公开(公告)日：2022-05-26

申请号：US17439686

申请日：2020-03-18

Applicant: SAIPEM S.P.A.

Inventor： Marcello Cassetti ,  Carlo Canali

IPC: F16L27/12

Abstract: A pipeline telescopic joint configured to compensate for dimensional changes has: a first pipe section having a first diameter; a second pipe section having a second diameter smaller than the first diameter is slidingly coupled to the first pipe section; an end assembly, which is fixed to the second pipe section an annular seat bounded by two facing cylindrical faces; and an annular gasket, which is housed within the annular seat and has a polymeric casing and a spring housed within the polymeric casing, wherein the polymeric casing is in contact with the cylindrical faces.

公开(公告)号：US20220163138A1

公开(公告)日：2022-05-26

申请号：US17276418

申请日：2019-09-18

Applicant: SAIPEM S.p.A.

Inventor： Pierre Emmanuel D'Huart ,  Michel Baylot ,  Alessio Mameli

IPC: F16L1/20 ,  F16L1/19 ,  F16L1/225 ,  B63B35/03

Abstract: A laying tower for laying pipelines on the bed of a body of water has a supporting structure extending along a longitudinal axis and provided with guides parallel to the longitudinal axis; a first clamp, which is mounted on the supporting structure and configured for selectively clamping and releasing the pipeline in a given point along the longitudinal axis; and a second clamp, which is selectively movable along a path, which extends along a first section above the first clamp; and a second section below the first clamp and, partly, below the supporting structure and configured for selectively clamping and releasing the pipeline along the path.

公开(公告)号：US20220134279A1

公开(公告)日：2022-05-05

申请号：US17525562

申请日：2021-11-12

Applicant: SAIPEM S.P.A.

Inventor： Sylvain LEFEBVRE ,  Richard SURPRENANT ,  Ferrere CLERVEAUX ,  Gabriel VEILLEUX ,  David ZHANG

IPC: B01D53/50 ,  B01D51/10 ,  B01D53/14 ,  B01D53/62 ,  B01D53/96

Abstract: A desulfurization gas process includes water vapor, CO2 and SOx (x=2 and/or 3). In a treatment unit, the gas contacts a cooled alkaline aqueous solution having a temperature lower than an initial gas temperature, water and a carbonate of an alkali metal, to cool the gas, condense some water vapor and absorb SOx in the carbonate-containing solution, produce an SOx-depleted gas and an acidic aqueous solution including sulfate and/or sulfite ions. The SOx-depleted gas and a portion of the acidic aqueous solution can then be withdrawn from the treatment unit. Carbonate of the alkali metal can be added to remaining acidic aqueous solution to obtain a made-up alkaline aqueous solution. This solution can be cooled and reused as the cooled alkaline aqueous solution. An SOx absorbent solution includes a bleed stream from a CO2-capture process, sodium or potassium carbonate, and an acidic aqueous solution obtained from desulfurization.

公开(公告)号：US20220063019A1

公开(公告)日：2022-03-03

申请号：US17422914

申请日：2020-01-10

Applicant: SAIPEM S.P.A.

Inventor： Giorgio STEFANO ,  Davide ROSSIN

IPC: B23K26/211 ,  B23K26/282 ,  B23K26/342

Abstract: A first metal pipe is welded to a second metal pipe in a method of laying pipeline, for example from a pipe-laying vessel at sea. The metal pipes may have an outer diameter greater than 150 mm and a pipe wall thickness of greater than 15 mm. The first pipe and the second pipe are brought together prior to welding so as to sandwich a third type of metal material between the pipe ends. The thickness of the third type of material, immediately before welding may be between 0.05 mm and 2 mm. The third metal material is melted together with the metal material of the first pipe and the second pipe.

公开(公告)号：US11202988B2

公开(公告)日：2021-12-21

申请号：US16637217

申请日：2018-08-10

Applicant: SAIPEM S.P.A.

Inventor： Sylvain Lefebvre ,  Richard Surprenant ,  Ferrere Clerveaux ,  Gabriel Veilleux ,  David Zhang

IPC: B01D53/50 ,  B01D53/14 ,  B01D53/62 ,  B01D53/96 ,  B01D51/10

Abstract: A desulfurization gas process includes water vapor, CO2 and SOx (x=2 and/or 3). In a treatment unit, the gas contacts a cooled alkaline aqueous solution having a temperature lower than an initial gas temperature, water and a carbonate of an alkali metal, to cool the gas, condense some water vapor and absorb SOx in the carbonate-containing solution, produce an SOx-depleted gas and an acidic aqueous solution including sulfate and/or sulfite ions. The SOx-depleted gas and a portion of the acidic aqueous solution can then be withdrawn from the treatment unit. Carbonate of the alkali metal can be added to remaining acidic aqueous solution to obtain a made-up alkaline aqueous solution. This solution can be cooled and reused as the cooled alkaline aqueous solution. An SOx absorbent solution includes a bleed stream from a CO2-capture process, sodium or potassium carbonate, and an acidic aqueous solution obtained from desulfurization.

公开(公告)号：US11199360B2

公开(公告)日：2021-12-14

申请号：US15546580

申请日：2016-02-05

Applicant: SAIPEM S.p.A.

Inventor： Rosario Galati ,  Lorenzo Bruno ,  Lino Carlessi

IPC: F27B9/24 ,  C22B34/34 ,  F27D17/00 ,  C22B1/00 ,  C22B7/00 ,  F27B9/30 ,  C22B23/02 ,  C22B3/00 ,  C22B34/22 ,  F23G5/00 ,  F27B9/39 ,  F27B9/00

Abstract: A plant for recovering metals and/or metal oxides from industrial process waste, in particular oil product refining waste, comprises a furnace; a feed line connected to a main inlet of the furnace and configured to feed the furnace with a solid waste containing metals, in particular in oxide form; an outlet line, connected to a solid phase outlet of the furnace and configured to draw a metal-enriched solid phase out of the furnace; the furnace is a belt conveyor furnace having a belt conveyor closed in a loop with a substantially horizontal configuration and having a top face, which receives the waste to treat and conveys it between two longitudinal opposite ends of the belt conveyor furnace respectively provided with the main inlet and the solid phase outlet.