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    • 6. 发明申请
    • METHOD FOR CONTROLLING FLUID INTERFACE LEVEL IN GRAVITY DRAINAGE OIL RECOVERY PROCESSES WITH CROSSFLOW
    • 控制流体接触面积的方法在流失油回收过程中
    • US20160201453A1
    • 2016-07-14
    • US15055193
    • 2016-02-26
    • Noetic Technologies Inc.
    • Trent Michael Victor KAISERSpencer P. TAUBNER
    • E21B47/10E21B43/24
    • E21B47/10E21B43/2406
    • In a method for controlling the interface level between a liquid inventory and an overlying steam chamber in a subterranean petroleum-bearing formation, an inflow relationship is developed to predict the vertical position in a gravity field of the interface between two fluids with a density contrast (most commonly a water/oil emulsion and steam), relative to a horizontal producer well. The inflow relationship is applied to producer well completions by designing the completion to raise or lower sand face pressures over the horizontal length of the well. This pressure distribution will affect liquid levels according to the inflow relationship. Axial flow relationships for the liquid inventory may be developed to facilitate estimation of liquid levels at selected locations. Axial flow relationships for the steam chamber may also be developed to estimate the effect of the injector well completion on the steam chamber pressure and, in turn, the liquid level.
    • 在用于控制地下含石油地层中的液体库存和上覆蒸汽室之间的界面水平的方法中,开发了流入关系以预测具有密度对比度的两种流体之间的界面的重力场中的垂直位置( 最常见的是水/油乳液和蒸汽),相对于水平生产井。 流入关系通过设计在井的水平长度上提高或降低砂面压力的完成来应用于生产井完井。 这种压力分布将根据流入关系影响液位。 可以开发用于液体清单的轴向流动关系以便于在选定位置处的液体水平的估计。 还可以开发用于蒸汽室的轴向流动关系,以估计喷射器完井对蒸汽室压力的影响,反过来估计液位。
    • 7. 发明申请
    • TOOL FOR GRIPPING TUBULAR ITEMS
    • 工具用于传送管状物品
    • US20150218894A1
    • 2015-08-06
    • US14428981
    • 2013-10-09
    • NOETIC TECHNOLOGIES INC.
    • Maurice W. Slack
    • E21B19/06E21B19/16
    • E21B19/06E21B19/16
    • A tool for gripping a tubular workpiece comprises: a land element for reacting compressive load against an end face of the workpiece; grip elements and grip element carrier means; a main body with means for converting axial motion of the tool relative to the workpiece into radial movement of the grip elements from a retracted position to an engaged position exerting radial load on the workpiece; and retractor means for retracting the grip elements from the workpiece the tool is displaced axially away from the workpiece. The grip element carrier means may comprise a cylindrical cage with the grip elements being radially slidable within circumferentially-spaced windows in the cage. The means for converting axial movement and load into radial movement and load may comprise a cone or ramp surface that bears against the grip elements such that radial loads from the grip surfaces are carried through the main body.
    • 用于夹紧管状工件的工具包括:用于使压缩载荷相对于工件的端面反作用的焊盘元件; 抓握元件和抓握元件托架装置; 主体,其具有用于将所述工具相对于所述工件的轴向运动转换成所述把手元件从缩回位置到在所述工件上施加径向载荷的接合位置的径向移动的主体; 以及用于将夹紧元件从工件收回的牵开器装置,该工具轴向地远离工件移位。 抓握元件托架装置可以包括圆柱形保持架,其中把持元件可沿着保持架中的周向间隔开的窗口径向滑动。 用于将轴向运动和负载转换为径向运动和负载的装置可以包括抵靠握持元件的锥形或斜面,使得来自抓握表面的径向载荷被承载通过主体。