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    • 7. 发明申请
    • PLATE-TYPE ANCHOR AND THE RESPECTIVE PROCESS FOR INSTALLING IT
    • 板式锚杆及其安装方法
    • WO1998008734A1
    • 1998-03-05
    • PCT/BR1997000044
    • 1997-08-20
    • PETROLEO BRASILEIRO S.A. - PETROBRAS
    • PETROLEO BRASILEIRO S.A. - PETROBRASTSUYOSHI KOMURA, AdolfoFILGUEIRAS, Gester, Jr.
    • B63B21/46
    • B63B21/22B63B21/46B63B2021/262E02D5/803
    • The present invention relates to a plate-type anchor (1) comprising a flat sheet forming a central portion (2) of substantially rectangular shape, provided with lateral flanges (3a, 3b) with a certain inclination with respect to the plane of the principal sheet, the flange (4) corresponding to the front part of the anchor being of pointed shape whilst the flange (5) corresponding to the tail of the anchor has a cut-out to allow fitting of a device (7) to be used when it is launched. On its upper face the anchor is provided with two longitudinally hollowed-out lugs (8a, 8b) which are mutually parallel and fastened perpendicularly to the face of the flat sheet, and to which the chain cables or mooring cables of the anchor are attached. On the lower face are fastened two longitudinal bars (9a, 9b) perpendicular to the plane of the face, but forming an acute angle towards the front part of the anchor. The anchor is installed in the sea bed with the aid of a device (7), in the form of a pile (17), provided, at its lower end, with means (21) for fastening the anchor (1), the pile/anchor assembly being launched from a vessel (24) and reaching the sea bed through the action of its own weight.
    • 本发明涉及一种板状锚固件(1),其包括形成大致矩形形状的中心部分(2)的平板,其具有相对于主体的平面具有一定倾斜度的侧向凸缘(3a,3b) 对应于锚的前部的凸缘(4)为尖形,而对应于锚的尾部的凸缘(5)具有切口以允许装配(7)被使用的装置(7) 它是推出的。 在其上表面上,锚具设置有两个相互平行并垂直于平板的表面紧固的两个纵向挖空的凸耳(8a,8b),并且锚固件的链条缆索或系泊缆索连接到该凸耳上。 在下表面上紧固着垂直于面的平面的两个纵向杆(9a,9b),但是朝着锚的前部形成锐角。 借助于桩(17)形式的装置(7),锚固件安装在海床中,在其下端设有用于固定锚(1)的装置(21),桩 /锚组件从船只(24)发射并通过其自身重量的作用到达海床。
    • 9. 发明申请
    • METHOD AND EQUIPMENT FOR OFFSHORE OIL PRODUCTION BY INTERMITTENT GAS INJECTION
    • 通过间歇性气体注入对海洋油生产的方法和设备
    • WO1997047857A1
    • 1997-12-18
    • PCT/GB1997001199
    • 1997-05-01
    • PETROLEO BRASILEIRO S.A. - PETROBRASLIMA, Paulo César Ribeiro
    • PETROLEO BRASILEIRO S.A. - PETROBRAS
    • E21B43/36
    • E21B43/01E21B43/36
    • A subsea primary separating vessel (2) is installed close to the wellhead (1) of an oil producing well to effect primary separation of the liquid and gas phases of the produced fluids. A line (3) connected to the top of the separating vessel allows the separated gases to flow to a collecting vessel (7) located at any gathering station. The liquid phase flows to the gathering centre through a flow line (21) which distributes the fluids into a U-shaped pipe length (13), each end of which is connected to a flow line (4 or 5) along which the liquid phase flows to a surge tank (8). When the volume of liquid phase which has settled out within the flow lines begins to exert a back pressure which has a prejudicial effect on well production, high pressure gas can be injected into the flow lines for a specific period of time to promote flow of the liquid phase to the surge tank (8). If it is desired to increase the efficiency of the flow, a mechanical interface driven by the high pressure gas may be used to promote removal of the liquid phase.
    • 靠近油井的井口(1)安装海底初级分离容器(2),以便对所产生流体的液相和气相进行一次分离。 连接到分离容器顶部的管线(3)允许分离的气体流到位于任何收集站处的收集容器(7)。 液相通过流体管线(21)流动到集料中心,该流动管线将流体分配成U形管道长度(13),其每端连接到流线(4或5),流线 流入缓冲罐(8)。 当在流水线内沉降的液相的体积开始施加对井产生有不利影响的背压时,高压气体可以在流动管线中注入特定的时间段,以促进流体的流动 液相到缓冲罐(8)。 如果希望提高流动的效率,则可以使用由高压气体驱动的机械界面来促进液相的去除。