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    UNDERSEA PIPE-LAYING
    92.
    发明申请
    UNDERSEA PIPE-LAYING 审中-公开
    地下管线

    公开(公告)号：US20150377384A1

    公开(公告)日：2015-12-31

    申请号：US14847559

    申请日：2015-09-08

    Applicant: SAIPEM S.P.A.

    Inventor： Diego LAZZARIN ,  Gianluca TOSO ,  Enrico RUARO

    IPC: F16L1/20 ,  F16L1/18 ,  F16L1/235

    CPC classification number: B63B35/03 ,  F16L1/18 ,  F16L1/205 ,  F16L1/207 ,  F16L1/225 ,  F16L1/235

    Abstract: 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.

    Abstract translation: 用于铺设管道的容器包括沿着管道铺设路径设置的多个工作站，所述多个工作站包括远离容器的第一端的上游部分和在容器的第一端的区域中的多个斜面。 多个斜坡包括沿着管道铺设路径布置的第一斜坡，其倾斜度是可调节的，并且具有第一上游端和第二下游端，以及沿着第一斜坡下游的管道铺设路径设置的第二斜坡， 其倾斜度是可调节的，并且具有第一上游端和第二下游端。 第一斜坡的下游端位于容器的第一端的内侧并且位于容器的底部之上，并且第二斜坡的上游端位于容器的第一端的内侧并且位于容器的底部之上。 提供外部斜坡组件，包括斜面，并且可以通过锁定装置相对于彼此枢转并锁定在选定位置。

    Process for the synthesis of urea comprising a passivation stream at the stripper bottom
    93.
    发明授权
    Process for the synthesis of urea comprising a passivation stream at the stripper bottom 有权
    合成尿素的方法，包括在汽提器底部的钝化流

    公开(公告)号：US09199926B2

    公开(公告)日：2015-12-01

    申请号：US14371144

    申请日：2013-01-09

    Applicant: SAIPEM S.p.A.

    Inventor： Lino Carlessi ,  Alessandro Gianazza

    IPC: C07C273/04 ,  B01D3/00

    CPC classification number: C07C273/04 ,  B01D3/009 ,  Y02P20/142 ,  Y02P20/582

    Abstract: A process for the direct synthesis of urea from ammonia and carbon dioxide with increased corrosion resistance, comprising, in the high-pressure synthesis section, a reaction step in a vertical reactor fed with at least one stream of fresh carbon dioxide containing a passivating agent and a decomposition-stripping step of the non-converted reagents, wherein the gas-liquid mixture collected at the head of the reactor is separated into a gaseous stream and a liquid stream fed to the tail and head of the stripper, respectively.

    Abstract translation: 一种用于从具有增加的耐腐蚀性的氨和二氧化碳直接合成尿素的方法，包括在高压合成段中在垂直反应器中的反应步骤，该反应器供应至少一种含有钝化剂的新鲜二氧化碳流和 未转化试剂的分解汽提步骤，其中在反应器头部收集的气液混合物分离成气态物流和分别送入汽提塔尾部和头部的液体流。

    LAYING OF CONDUIT AT SEA USING HORIZONTAL REELS
    95.
    发明申请
    LAYING OF CONDUIT AT SEA USING HORIZONTAL REELS 有权
    使用水平卷轴在海上排列

    公开(公告)号：US20150139736A1

    公开(公告)日：2015-05-21

    申请号：US14370792

    申请日：2012-12-04

    Applicant: SAIPEM S.p.A.

    Inventor： Kimon Tullio Ardavanis ,  Michele Vinciguerra ,  Dario Donelli

    IPC: F16L1/20 ,  B63B35/03 ,  F16L1/12 ,  F16L1/23

    CPC classification number: F16L1/203 ,  B63B35/03 ,  F16L1/12 ,  F16L1/205 ,  F16L1/23

    Abstract: 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.

    Abstract translation: 从卷轴容器在海上铺设导管的方法包括从围绕第一基本垂直的轴线旋转的第一卷轴铺设导管（例如管线或脐带）的步骤。 导管从与第一轴线间隔开的第二基本垂直轴线旋转的导管的第二卷轴上放置。 例如，在从导管的第一卷轴铺设导管的步骤期间，由导管行进的路线的一部分基本上与在从第二导管的导管铺设导管的步骤期间由导管行进的路线的一部分相同。 来自第二卷轴的管道可以绕过第一卷轴的周边的一部分，然后沿着与先前由第一卷轴布置的导管行进的路径大致相同。

    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
    96.
    发明申请
    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 有权
    电子系统，方法和程序，用于控制管道层状船的可变配置层间距离，将水管上的管道布置在水体上

    公开(公告)号：US20150037101A1

    公开(公告)日：2015-02-05

    申请号：US14374182

    申请日：2013-01-28

    Applicant: SAIPEM S.p.A.

    Inventor： Stefano Bianchi ,  Federico Gaggiotti ,  Federico Formentini ,  Stefano Sovilla ,  Roberto Bruschi ,  Diego Lazzarin

    IPC: F16L1/225 ,  B63B35/03 ,  F16L1/20 ,  G05B15/02 ,  F16L1/235

    CPC classification number: F16L1/225 ,  B63B35/03 ,  F16L1/205 ,  F16L1/207 ,  F16L1/235 ,  G05B15/02

    Abstract: 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.

    Abstract translation: 一种电子控制系统，被配置为控制管道敷设容器的可变构型铺设斜坡，以将管道铺设在水体的床上，其被配置为：获取包括与所述铺设坡道的配置有关的数据的数据 与铺设船舶有关的数据，以及与铺设斜坡和铺设船舶传输到管道的力相关的数据; 产生多个步骤序列，以将铺设斜坡的配置从第一工作配置改变到第二工作配置; 并且根据多个步骤序列和所获取的数据选择最佳步长序列，以使在第一和第二工作配置之间的每个中间配置处在管道中感应的应力最小化。

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