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    • 1. 发明申请
    • Fluid flow control device and method for use of same
    • 流体流量控制装置及其使用方法
    • US20060157257A1
    • 2006-07-20
    • US11385167
    • 2006-03-21
    • Colby RossRalph EcholsBrock Watson
    • Colby RossRalph EcholsBrock Watson
    • E21B34/10E21B43/12
    • E21B43/08E21B43/12E21B47/09
    • A fluid flow control device (130) for use in a wellbore to control the inflow of production fluids comprises a screen assembly (132) positioned around a base pipe (134). The base pipe (134) has a blank pipe section and a perforated section including at least one fluid passageway (136). The screen assembly (132) has a filter medium section (142) positioned around the blank pipe section and defining a first region (144) therebetween and a housing section (146) positioned around the perforated section defining a second region (148) therebetween with a sleeve (150) slidably positioned therein. When it is desired to prevent the inflow of the production fluids through the fluid flow control device (130), the sleeve (150) is operated from a first position to a second position which prevent fluid flow from the second region (148) to the fluid passageway (136).
    • 用于井筒中以控制生产流体流入的流体流量控制装置(130)包括围绕基管(134)定位的筛组件(132)。 基管134具有空白管段和包括至少一个流体通道136的穿孔部分。 屏幕组件(132)具有位于空白管道部分周围并在其间限定第一区域(144)的过滤介质部分(142)和围绕穿孔部分定位在其间的第二区域(148)的壳体部分(146) 可滑动地定位在其中的套筒(150)。 当期望防止生产流体通过流体流动控制装置(130)流入时,套筒(150)从第一位置操作到第二位置,从而阻止流体从第二区域(148)流到 流体通道(136)。
    • 2. 发明申请
    • Fracturing/gravel packing tool system with dual flow capabilities
    • 具有双流能力的压裂/砾石包装工具系统
    • US20070051507A1
    • 2007-03-08
    • US11221147
    • 2005-09-07
    • Colby RossSamuel Martinez
    • Colby RossSamuel Martinez
    • E21B43/04
    • E21B43/04E21B34/06E21B43/08E21B43/26
    • A fracturing/gravel packing tool system with dual flow capabilities. A method of treating a well includes the steps of: flowing a fluid into the well through a work string while simultaneously flowing another fluid into the well through an annulus; and directing each of the fluids to the exterior of a well screen in the well. A well treatment system includes a slurry and a fluid flowed into a well. The slurry has an initial density, but the fluid is mixed with the slurry in the well, thereby causing the slurry to have a reduced density in the well. Another method of treating a well includes the steps of: installing a gravel packing assembly including a well screen in the well; flowing a slurry and a fluid into the well; mixing the slurry with the fluid, thereby reducing a density of the slurry in the well; and flowing the reduced density slurry about an exterior of the well screen.
    • 具有双流能力的压裂/砾石包装工具系统。 处理井的方法包括以下步骤:将流体通过工作柱流入井中,同时使另一种流体通过环空流入井中; 并将每个流体引导到井中的井筛的外部。 井处理系统包括浆料和流入井的流体。 浆料具有初始密度,但是流体与井中的浆料混合,从而使得浆料在井中具有降低的密度。 处理井的另一种方法包括以下步骤:在井中安装包括井筛的砾石包装组件; 将浆料和流体流入井中; 将浆料与流体混合,从而降低井中浆料的密度; 并且使密度降低的浆料围绕井眼的外部流动。
    • 6. 发明申请
    • Filter valve for fluid loss device
    • 用于流体损失装置的过滤阀
    • US20060283791A1
    • 2006-12-21
    • US11155355
    • 2005-06-17
    • Colby Ross
    • Colby Ross
    • B01D35/02
    • E21B43/04B01D35/02B01D2201/16E21B2034/005
    • A filter valve adapted for use in a work string above a pressure actuated down hole device. When open, the filter valve provides full bore access to the bore hole. When closed, the filter valve prevents particles in a work string from settling on the down hole device while allowing fluid pressure to be applied to the down hole device for actuation. The filter valve may be a flapper made of a porous or other filtering material that allows fluid to flow through the flapper, but blocks particle flow. The flapper may be closed and opened by any means known in the art, but does not hold pressure when closed. The filter valve may be any conventional valve, in combination with a bypass flow path and a filter. The bypass flow path allows fluid to bypass the valve and the filter prevents particles from flowing through the bypass.
    • 一种适于在压力致动的井下装置上方的工作串中使用的过滤阀。 打开时,过滤阀提供钻孔的全孔通道。 当关闭时,过滤阀防止工作串中的颗粒沉降在井下装置上,同时允许将流体压力施加到井下装置用于致动。 过滤阀可以是由多孔或其它过滤材料制成的挡板,其允许流体流过挡板,但阻止颗粒流动。 挡板可以通过本领域已知的任何方式关闭和打开,但在关闭时不保持压力。 过滤阀可以是与旁路流动路径和过滤器组合的任何常规阀。 旁路流路允许流体绕过阀门,过滤器防止颗粒流过旁路。