Process for delaying the formation and/or reducing the agglomeration
tendency of hydrates
    4.
    发明授权
    Process for delaying the formation and/or reducing the agglomeration tendency of hydrates 失效
    延缓水合物形成和/或降低凝聚趋势的方法

    公开(公告)号:US4973775A

    公开(公告)日:1990-11-27

    申请号:US292351

    申请日:1988-12-30

    摘要: The invention concerns a process for delaying the formation and/or reducing the agglomeration tendency of hydrates in conditions under which a hydrate may be formed, these hydrates being formed from water and gas. The process according to the invention wherein, in particular, an additive comprising at least one compound from the group of hydroxycarbylamides of substituted carboxylic acids is used. Application of the process according to the invention to processes using gases and water, which form hydrates between them, in particular in the petroleum or gas industry.

    摘要翻译: 本发明涉及在水合物可能形成的条件下延迟水合物的形成和/或降低的结合方法,这些水合物由水和气体形成。 使用根据本发明的方法,其中特别地,使用包含至少一种取代羧酸的羟基氨基甲酰胺化合物的添加剂。 将根据本发明的方法应用于使用气体和水的方法,其在它们之间形成水合物,特别是在石油或天然气工业中。

    Process for delaying the formation and/or reducing the agglomeration
tendency of hydrates
    6.
    发明授权
    Process for delaying the formation and/or reducing the agglomeration tendency of hydrates 失效
    延缓水合物形成和/或降低凝聚趋势的方法

    公开(公告)号:US5244878A

    公开(公告)日:1993-09-14

    申请号:US729790

    申请日:1991-07-10

    IPC分类号: C09K8/52 F17D1/02

    摘要: A process for delaying the formation and/or reducing the agglomeration tendency of hydrates in conditions under which a hydrate may be formed, these hydrates being formed from water and gas.The process according to the invention wherein, in particular, an additive comprising at least one amphiphilic compound chosen from the group of esters of polyols and substituted or unsubstituted carboxylic acids is used.Application of the process according to the invention to processes using gases and water, which form hydrates between them, in particular in the petroleum or gas industry.

    摘要翻译: 在水合物可能形成的条件下,延缓水合物的凝集倾向的形成和/或降低的方法,这些水合物由水和气体形成。 根据本发明的方法,其中特别地,使用包含至少一种选自多元醇酯和取代或未取代的羧酸的两亲化合物的添加剂。 将根据本发明的方法应用于使用气体和水的方法,其在它们之间形成水合物,特别是在石油或天然气工业中。

    Method for producing steel wires intended for the manufacture of
flexible conduits
    7.
    发明授权
    Method for producing steel wires intended for the manufacture of flexible conduits 失效
    生产用于制造柔性导体的钢丝的方法

    公开(公告)号:US5213637A

    公开(公告)日:1993-05-25

    申请号:US778972

    申请日:1991-12-19

    IPC分类号: C21D9/52 C21D8/06

    摘要: A method of producing steel wires intended for the manufacture of flexible conduits, steel wires obtained by this method, and flexible conduits reinforced by such wires is characterized by the fact that, for a given strain-hardening rate of the initial wire, a heat treatment is carried out under conditions of time and temperature such that the steel wire obtained after treatment has a mechanical rupture strength (Rm) greater than 850 MPa and a structure containing little free ferrite.

    摘要翻译: PCT No.PCT / FR91 / 00328 Sec。 371 1991年12月19日第 102(e)1991年12月19日PCT PCT 1991年4月19日PCT公布。 公开号WO91 / 16461 日本1991年10月31日。一种制造用于制造柔性导管的钢丝的方法,通过该方法获得的钢丝和由这种线强化的柔性导管的特征在于,对于给定的应变硬化速率 初始丝线在时间和温度条件下进行热处理,使得处理后得到的钢丝的机械断裂强度(Rm)大于850MPa,并且含有少量游离铁素体的结构。

    Method for making steel wires and shaped wires, and use thereof in
flexible ducts
    8.
    发明授权
    Method for making steel wires and shaped wires, and use thereof in flexible ducts 失效
    制造钢丝和成形丝的方法及其在挠性管中的应用

    公开(公告)号:US5922149A

    公开(公告)日:1999-07-13

    申请号:US913222

    申请日:1997-11-04

    CPC分类号: C22C38/00 C21D8/06

    摘要: A method for making steel wires, wherein an elongate shaped wire is produced by rolling or drawing steel consisting of 0.05-0.5% C, 0.4-1.5% Mn, 0-2.5% Cr, 0.1-0.6% Si, 0-1% Mo, no more than 0.25% Ni, and no more than 0.02% S and P, and a first heat treatment is performed on the shaped wire, including at least one step of quenching under predetermined conditions to achieve an HRC hardness of at least 32, a predominately martensitic and bainitic steel structure and a small amount of ferrite. A shaped wire and a flexible tube for conveying an H.sub.2 S-containing effluent are disclosed.

    摘要翻译: PCT No.PCT / FR96 / 00363 Sec。 371日期1997年11月4日 102(e)日期1997年11月4日PCT 1996年3月8日PCT公布。 公开号WO96 / 28575 日期1996年9月19日一种制造钢丝的方法,其中通过轧制或拉制由0.05-0.5%C,0.4-1.5%Mn,0-2.5%Cr,0.1-0.6%Si, 0-1%Mo,不超过0.25%的Ni和不超过0.02%的S和P,并且对成形丝进行第一次热处理,包括在预定条件下淬火至少一个步骤以实现HRC硬度 至少32,主要是马氏体和贝氏体钢结构和少量的铁素体。 公开了一种用于输送含H2S的流出物的成形线和柔性管。

    Process for using anti-coking steels for diminishing coking in a
petrochemical process
    9.
    发明授权
    Process for using anti-coking steels for diminishing coking in a petrochemical process 失效
    在石化工艺中使用抗焦化钢减少焦化的方法

    公开(公告)号:US5693155A

    公开(公告)日:1997-12-02

    申请号:US575546

    申请日:1995-12-20

    CPC分类号: C22C38/40

    摘要: For diminishing coking in a petrochemical process, coking-resistant steel containing by weight: about 0.05% to 0.06% of carbon; about 2.5% to 5% of silicon; 10% to 20% of chromium; 10% to 15% of nickel 0.5% to 1.5% of manganese; 0-0.5% of titanium; at most 0.8% of aluminium; the complement to 100% being essentially iron, can be used to manufacture tubes and plates for producing reactors or elements thereof, as well as for coatings of the internal walls of furnaces, reactors or tubings where coking can occur.

    摘要翻译: 对于石油化工过程中焦化减少,含有重量约为0.05%至0.06%碳的耐焦钢; 约2.5%至5%的硅; 10%〜20%的铬; 10%至15%的镍0.5%至1.5%的锰; 0-0.5%的钛; 最多为0.8%的铝; 100%基本上为铁的补充剂可用于制造用于生产反应器或其元件的管和板,以及用于可能发生焦化的炉子,反应器或管道的内壁的涂层。

    Method of transporting a hydrate forming fluid
    10.
    发明授权
    Method of transporting a hydrate forming fluid 失效
    输送水合物形成流体的方法

    公开(公告)号:US4915176A

    公开(公告)日:1990-04-10

    申请号:US288985

    申请日:1988-12-23

    摘要: A method is provided for transporting in a duct a fluid comprising gas and water, and being under conditions where at least one hydrate is formed, the hydrates being formed from said gas and said water, wherein, before or during the formation of the hydrate or hydrates, an additive is injected into said fluid for reducing the tendency to agglomeration of the hydrate so as to obtain one or more hydrates in dispersed form, and said fluid is transported containing said hydrate or hydrates in dispersed form.

    摘要翻译: 提供一种用于在管道中输送包含气体和水的流体并且处于形成至少一种水合物的条件下的水合物,所述水合物由所述气体和所述水形成,其中在形成水合物之前或期间 水合物,将添加剂注入所述流体中以减少水合物凝聚的倾向,从而获得分散形式的一种或多种水合物,并且所述流体以分散形式运输含有所述水合物或水合物。