Welded particle control screen assemblies
    1.
    发明授权
    Welded particle control screen assemblies 有权
    焊接粒子控制屏幕组件

    公开(公告)号:US06514408B1

    公开(公告)日:2003-02-04

    申请号:US09580071

    申请日:2000-05-30

    CPC classification number: B01D39/12 E21B43/084

    Abstract: In a particle or sand screen control assembly for mounting on a base pipe used in a well, a sealing strip preferably in the form of a metal strip is used in a weld joint that joins the metal mesh screen of filter media to a solid metal structure or “safe edge”. The sealing strip covers the pores in the screen proximate the metal structure to which it is welded. The sealing strip is a separate thin sheet of metal that is compatible with the welding metal used in the weld joint, such that the sealing strip becomes unitary with the weld joint. Prior to welding, the sealing strip may be bent around the screen if desired, or may lie flat along the top or bottom surface of the screen.

    Abstract translation: 在用于安装在井中使用的基管上的颗粒或砂筛控制组件中,优选地以金属带形式的密封条用于将过滤介质的金属网筛连接到固体金属结构的焊接接头 或“安全边缘”。 密封条覆盖屏幕中靠近其被焊接的金属结构的孔。 密封条是与焊接接头中使用的焊接金属相容的单独的金属薄片,使得密封条与焊接接头成一体。 在焊接之前,如果需要,密封条可以围绕屏幕弯曲,或者可以沿着屏幕的顶部或底部表面平放。

    Particle control screen assembly for a perforated pipe used in a well, a
sand filter system, and methods of making the same
    3.
    发明授权
    Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the same 失效
    用于井中的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法

    公开(公告)号:US5899271A

    公开(公告)日:1999-05-04

    申请号:US116719

    申请日:1998-07-16

    Abstract: A particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making same are provided. The screen assembly includes a woven mesh filter media disposed about the perforated pipe, and a protective wrapper disposed about the filter media. The protective wrapper comprises an outer perforated layer and an inner layer that is disposed between the outer layer and the filter media. A surface of the inner layer that faces the outer perforated layer has a non-smooth contour, with this surface of the inner layer having portions in direct contact with an inner surface of the outer layer. The inner layer is provided with apertures that are disposed in such a way that fluid cannot flow from the outer surface of the outer perforated layer directly radially both through holes of the outer layer and through the apertures of the inner layer.

    Abstract translation: 提供了一种用于井中使用的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法。 筛网组件包括布置在穿孔管周围的织网过滤介质和围绕过滤介质设置的保护性包裹物。 保护性包装物包括外部穿孔层和设置在外层和过滤介质之间的内层。 内层的面向外穿孔层的表面具有非平滑轮廓,内层的该表面具有与外层的内表面直接接触的部分。 内层设置有孔,其设置成使得流体不能从外部穿孔层的外表面直接径向通过外层的孔并通过内层的孔径流动。

    Fuel contamination monitor with a shut off valve
    5.
    发明授权
    Fuel contamination monitor with a shut off valve 失效
    带有截止阀的燃油污染监测器

    公开(公告)号:US4485011A

    公开(公告)日:1984-11-27

    申请号:US508894

    申请日:1983-06-28

    CPC classification number: B01D36/003 B01D29/15 B01D35/157 B01D35/1576

    Abstract: A fuel contamination monitor for separating particulate and liquid contaminants from a liquid fuel is disclosed. The fuel contamination monitor has an inner and outer fluid pervious wall forming a cavity therebetween. A tubular filtering element consisting of a plurality of fluid filtering media layers is mounted in the cavity. The plurality of fluid filtering media layers includes an outer layer of particulate matter separating filter media and a layer of superabsorbing media adjacent to the outer layer. The superabsorbing media is backed by a layer of paper media and an inner layer of screen material. The interior of the inner fluid pervious wall communicates with a liquid fuel outlet port. A shut-off valve is provided which interrupts the flow of liquid fuel through the fuel contamination monitor in the event that the media becomes contaminated before effective contaminant separation.

    Abstract translation: 公开了用于从液体燃料中分离颗粒和液体污染物的燃料污染监测器。 燃料污染监测器具有在其间形成空腔的内部和外部流体可渗透壁。 由多个流体过滤介质层组成的管状过滤元件安装在空腔中。 多个流体过滤介质层包括分离过滤介质的颗粒物质的外层和与外层相邻的超吸收介质层。 超吸收介质由一层纸介质和屏幕材料的内层支撑。 内部液体透过壁的内部与液体燃料出口连通。 提供截止阀,以在介质在有效的污染物分离之前被污染的情况下,中断通过燃料污染监测器的液体燃料的流动。

    Methods of fabricating a thin-wall expandable well screen assembly
    6.
    发明授权
    Methods of fabricating a thin-wall expandable well screen assembly 有权
    制造薄壁可膨胀井眼组件的方法

    公开(公告)号:US06415509B1

    公开(公告)日:2002-07-09

    申请号:US09574658

    申请日:2000-05-18

    Abstract: An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then deformed to a tubular shape to form a filter structure having an outer perforated tubular shroud interiorly lined with the filter media. The tubular filter structure is telescoped onto a perforated base pipe and has its opposite ends sealingly secured thereto to complete the expandable well screen.

    Abstract translation: 可扩展井筛具有理想的薄壁结构以及简化的制造方法。 在制造屏幕时,金属网过滤介质的柔性片被扩散粘合到穿孔金属片的内侧,然后将其变形为管状,以形成具有内部带有过滤介质的外部穿孔管状护罩的过滤器结构 。 管状过滤器结构可伸缩到穿孔的基管上,并且其相对的端部密封地固定到其上以完成可扩张的井网。

    Particle control screen assembly for a perforated pipe used in a well, a
sand filter system, and methods of making the same
    7.
    发明授权
    Particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making the same 有权
    用于井中的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法

    公开(公告)号:US6109349A

    公开(公告)日:2000-08-29

    申请号:US289691

    申请日:1999-04-09

    Abstract: A particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making same are provided. The screen assembly includes a woven mesh filter media disposed about an inner surface of the perforated pipe, and a protective wrapper disposed about the filter media. The protective wrapper comprises a radially inner perforated layer and a radially outer layer that is disposed between the inner layer and the filter media. A surface of the outer layer that faces the inner perforated layer has a non-smooth contour, with this surface of the outer layer having portions in direct contact with an outer surface of the inner layer. The outer layer is provided with apertures that are disposed in such a way that fluid cannot flow from the inner surface of the inner perforated layer directly radially both through holes of the inner layer and through the apertures of the outer layer.

    Abstract translation: 提供了一种用于井中使用的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法。 屏幕组件包括围绕穿孔管的内表面设置的编织网过滤介质和围绕过滤介质布置的保护性包裹物。 保护性包装物包括径向内部穿孔层和设置在内层和过滤介质之间的径向外层。 外层的面向内穿孔层的表面具有非平滑轮廓,外层的该表面具有与内层的外表面直接接触的部分。 外层设置有孔,其设置成使得流体不能从内部穿孔层的内表面直接径向地穿过内层的孔并通过外层的孔径流动。

    Particle control screen assembly for a perforated pipe used in a well, a
sand filter system and methods of making the same
    8.
    发明授权
    Particle control screen assembly for a perforated pipe used in a well, a sand filter system and methods of making the same 失效
    用于井中的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法

    公开(公告)号:US5782299A

    公开(公告)日:1998-07-21

    申请号:US694062

    申请日:1996-08-08

    Abstract: A particle control screen assembly for a perforated pipe used in a well, a sand filter system, and methods of making same are provided. The screen assembly includes a woven mesh filter media disposed about the perforated pipe, and a protective wrapper disposed about the filter media. The protective wrapper comprises an outer perforated layer and an inner layer that is disposed between the outer layer and the filter media. A surface of the inner layer that faces the outer perforated layer has a non-smooth contour, with this surface of the inner layer having portions in direct contact with an inner surface of the outer layer. The inner layer is provided with apertures that are disposed in such a way that fluid cannot flow from the outer surface of the outer perforated layer directly radially both through holes of the outer layer and through the apertures of the inner layer.

    Abstract translation: 提供了一种用于井中使用的穿孔管的颗粒控制筛组件,砂过滤器系统及其制造方法。 筛网组件包括布置在穿孔管周围的织网过滤介质和围绕过滤介质设置的保护性包裹物。 保护性包装物包括外部穿孔层和设置在外层和过滤介质之间的内层。 内层的面向外穿孔层的表面具有非平滑轮廓,内层的该表面具有与外层的内表面直接接触的部分。 内层设置有孔,其设置成使得流体不能从外部穿孔层的外表面直接径向通过外层的孔并通过内层的孔径流动。

    Tubular filtration apparatus
    10.
    发明授权
    Tubular filtration apparatus 有权
    管状过滤装置

    公开(公告)号:US06799686B2

    公开(公告)日:2004-10-05

    申请号:US10109342

    申请日:2002-03-28

    Abstract: An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then deformed to a tubular shape to form a filter structure having an outer perforated tubular shroud interiorly lined with the filter media. The tubular filter structure is telescoped onto a perforated base pipe and has its opposite ends sealingly secured thereto to complete the expandable well screen.

    Abstract translation: 可扩展井筛具有理想的薄壁结构以及简化的制造方法。 在制造屏幕时,金属网过滤介质的柔性片被扩散粘合到穿孔金属片的内侧,然后将其变形为管状,以形成具有内部带有过滤介质的外部穿孔管状护罩的过滤器结构 。 管状过滤器结构可伸缩到穿孔的基管上,并且其相对的端部密封地固定到其上以完成可扩张的井网。

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