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    • 9. 发明申请
    • Method and System for Forming a Non-Circular Borehole
    • 形成非圆形井眼的方法和系统
    • US20080093125A1
    • 2008-04-24
    • US11691445
    • 2007-03-26
    • Jared PotterRobert PotterJames BaslerThomas Wideman
    • Jared PotterRobert PotterJames BaslerThomas Wideman
    • E21B7/18
    • E21B7/001F03G7/04F24T10/15F24T2010/53Y02E10/125
    • System and methods for creating shaped, non-circular boreholes in rocks especially for use with geothermal heat pump applications and for increasing wellbore support in applications such as horizontal oil and gas drilling are described. The systems and methods when applied to geothermal heat pumps create an elliptical shaped hole that is optimized for placing heat transfer tubes with a minimum of grout used. The significantly reduced cross-sectional area of the elliptical borehole also increases the overall drilling rate in rock and especially in hard rocks. In horizontal hard-rock drilling, creation of a horizontal non-circular borehole or modification of a circular borehole to a non-circular geometry is used to stabilize the borehole prior to casing insertion, and may also allow the use of lower mud pressures improving drilling rates. The system uses a non-contacting drilling system which in one embodiment uses a supersonic flame jet drilling system with a movable nozzle that swings between pivot points. In a second embodiment the elliptical shaped hole is created by an abrasive fluid or particle bearing-fluid or air jet drill that moves between pivot points. In another embodiment a non-contacting drill can use dual parallel nutating nozzles that create a pair of overlapping circular holes. The non-circular shaped hole is created by either the high temperature flame or water-particle jet or chemically active fluid jet as it removes rock material by erosion, dissolution and or thermal spalling. Modifications of circular boreholes to a generally elliptical shape can also be done using milling or jetting techniques.
    • 描述了用于在岩石中形成特殊用于地热热泵应用的成形非圆形钻孔并用于在诸如水平油气钻井的应用中增加井筒支撑的系统和方法。 当应用于地热热泵时,系统和方法产生一个椭圆形孔,其优化用于放置最少使用的灌浆的传热管。 椭圆孔的横截面积显着减小也增加了岩石,特别是硬岩中的总体钻井速度。 在水平硬岩钻井中,在套管插入之前,使用水平非圆形钻孔或圆形钻孔修正为非圆形几何形状来稳定钻孔,并且也可允许使用较低的泥浆压力来改善钻井 价格。 该系统使用非接触钻井系统,其在一个实施例中使用具有在枢转点之间摆动的可移动喷嘴的超音速火焰喷射钻井系统。 在第二实施例中,椭圆形孔由在枢轴点之间移动的研磨流体或颗粒轴承 - 流体或空气喷射钻头产生。 在另一个实施例中,非接触钻头可以使用形成一对重叠圆形孔的双平行马蹄形喷嘴。 非圆形孔通过高温火焰或水粒子喷射或化学活性流体射流产生,因为它通过侵蚀,溶解和/或热剥落来除去岩石材料。 通常使用铣削或喷射技术也可以将圆形钻孔修改成大致椭圆形状。
    • 10. 发明申请
    • TWO-POSITION LOCKING DEVICE FOR A SUPPORT FIXTURE
    • 用于支撑装置的两个位置锁定装置
    • US20070137368A1
    • 2007-06-21
    • US11562696
    • 2006-11-22
    • Joseph DeVilleRobert Potter
    • Joseph DeVilleRobert Potter
    • G05G11/00
    • B65D19/44B65D2585/6887Y10T74/2025
    • A support fixture supports a plurality of components on a shipping rack. The support fixture includes a frame, a plurality of fingers and a locking device. Each finger is pivotally coupled to the frame for movement about a pivot between a support position and a released position. Each finger has a front end and a back end extending from substantially opposite sides of a pivot wherein the front end is presented for supporting one of the components in the support position. The fingers are arranged in a stack with a first finger being disposed at an end of the stack. Each of the fingers has a boss that extends outwardly therefrom to hold an adjacent finger in the support position. The locking device has a pin that is axially movable between an extended position disposed along the back end of the first finger to hold the first finger in the support position and a retracted position spaced apart spaced apart from the first finger to allow pivotal movement of the first finger between the support and released positions. The locking device also has a button operatively coupled to the pin to cause alternating actuation of the pin between the extended and retracted positions with each push of the button toward the pin.
    • 支撑夹具支撑运输架上的多个部件。 支撑夹具包括框架,多个指状物和锁定装置。 每个手指枢转地联接到框架,用于围绕支撑位置和释放位置之间的枢轴运动。 每个手指具有从枢轴的基本相对的侧面延伸的前端和后端,其中呈现前端以支撑支撑位置中的一个部件。 手指被布置成堆叠,其中第一指状物设置在堆叠的端部。 每个指状物具有从其向外延伸的凸起,以将相邻的手指保持在支撑位置。 锁定装置具有销,该销可在沿着第一手指的后端设置的延伸位置之间轴向移动以将第一手指保持在支撑位置,并且与第一手指间隔开的缩回位置允许枢轴运动 第一手指在支撑位置和释放位置之间。 锁定装置还具有可操作地联接到销的按钮,以使销在推动位置和缩回位置之间的交替致动,同时按钮朝向销。