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    • 3. 发明申请
    • DOWNHOLE TOOL
    • 卧式工具
    • WO1997039220A1
    • 1997-10-23
    • PCT/GB1997000547
    • 1997-02-27
    • ANDERSON, Charles, AbernethyEDDISON, Alan, Martyn
    • E21B47/022
    • G01C9/14E21B47/02232
    • A mounting arrangement for a pendulum in a downhole drift indicator comprises a plunger (26) and a pendulum (46) defining respective normally spaced apart first and second surfaces, and a pivot connection (54) between the plunger and pendulum including a connecting pivot member (56). On the pivot connection being subject to a predetermined load the first and second surfaces engage to limit the load experienced by the pivot member. Also disclosed is a drift indicator biassing arrangement, the arrangement including a housing (40) partially defining a volume (38) for containing a fluid reservoir, a signalling plunger (26) and floating piston (42) defining respective wall portions of the volume and being moveable relative to the housing. A spring (88, 89) acts on the piston to compress the fluid in the volume and move the signalling plunger relative to the housing.
    • 用于井下漂移指示器中的摆锤的安装装置包括柱塞(26)和限定相应的正常间隔开的第一和第二表面的摆锤(46),并且在柱塞和摆锤之间的枢转连接(54)包括连接枢转构件 (56)。 在枢转连接受到预定负载的情况下,第一和第二表面接合以限制枢转构件所经受的负载。 还公开了一种漂移指示器偏压装置,该装置包括部分地限定用于容纳流体储存器的容积(38)的壳体(40),限定容积的相应壁部分的信号柱塞(26)和浮动活塞(42) 相对于房屋可移动。 弹簧(88,89)作用在活塞上以压缩体积中的流体并相对于壳体移动信号柱塞。
    • 4. 发明申请
    • GRAVITY-BASED CASING ORIENTATION TOOLS AND METHODS
    • 基于GRAVITY的框架定位工具和方法
    • WO2015094163A1
    • 2015-06-25
    • PCT/US2013/075435
    • 2013-12-16
    • HALLIBURTON ENERGY SERVICES, INC.
    • STEELE, David Joe
    • E21B47/09E21B17/01
    • E21B34/12E21B33/124E21B33/13E21B33/14E21B47/02232E21B47/06
    • Disclosed are systems and methods of orienting wellbore tubulars using gravity. Some disclosed orientation indicating devices include a housing defining a first flow channel and being arrangeable within a wellbore tubular, an orientor movably arranged within the housing and defining a second flow channel in fluid communication with the first flow channel, and an eccentric weight arranged within the orientor and having a center of mass radially offset from a rotational axis of the orientor, the eccentric weight being configured to maintain the orientor pointing in one direction as the housing and the wellbore tubular are rotated, wherein, as the housing rotates, the first and second flow channels become progressively aligned or misaligned.
    • 公开了使用重力定向井筒管的系统和方法。 一些公开的取向指示装置包括限定第一流动通道并且可布置在井筒管状内的壳体,可移动地布置在壳体内并且限定与第一流动通道流体连通的第二流动通道的定位器,以及布置在 所述定心器具有径向偏离所述定向器的旋转轴线的质心,所述偏心重块构造成当所述壳体和所述井眼管被旋转时将所述定向器保持朝向一个方向,其中,当所述壳体旋转时,所述第一和 第二流道变得逐渐对准或不对准。
    • 6. 发明申请
    • BOREHOLE TESTING DEVICE
    • 井眼测试设备
    • WO2017030868A1
    • 2017-02-23
    • PCT/US2016/046344
    • 2016-08-10
    • PILE DYNAMICS, INC.
    • PISCSALKO, George, R.COTTON, Dean, A.BERRIS, Richard, E.PIEDIMONTE, Tyler, A.
    • E21B47/00E21B47/04E21B47/06E21B47/12
    • E21B47/02208E02D1/02E21B47/0002E21B47/02232E21B47/082
    • An inspection system to measure the condition of at least the wall of a ground opening, such as a borehole opening, an excavation, and a slurry wall, the inspection system comprising a head unit configured to be lowered into an associated borehole and having a lowering mount configured to be operably and selectively joined to an associated lowering unit to facilitate the lowering of the head unit into the associated borehole during a data collection phase, the data collection phase including at least one of a lowering phase wherein the head unit is lowered in the associated borehole toward an associated bottom extent of the borehole by the associated lowering unit and a raising phase wherein the head unit is raised in the associated borehole away from the associated bottom extent, at least one set of test data being collected concerning one or more physical characteristics of the associated borehole during the data collection phase, the head unit comprising an internal measurement system and a sensor arrangement having a plurality of sensors facing radially outwardly of a head axis that is generally parallel to at least a portion of the an associated borehole axis, the plurality of sensors allowing the head unit to be moved during the data collection phase without rotation about the head axis, the plurality of sensors at least partially producing the at least one set of test data collected during the data collection phase.
    • 一种用于测量至少所述接地开口的壁的状况的检查系统,例如钻孔开口,挖掘和浆料壁,所述检查系统包括头单元,所述头单元被配置为下降到相关联的钻孔中并具有降低 其被构造成可操作地并选择性地连接到相关联的降低单元,以便于在数据收集阶段期间将头单元降低到相关联的钻孔中,所述数据收集阶段包括降低阶段中的至少一个,其中头单元降低 相关联的钻孔通过相关联的降低单元朝向钻孔的相关联的底部范围,以及升高阶段,其中头部单元在相关联的钻孔中升高远离相关联的底部范围,至少一组测试数据被收集关于一个或多个 在数据收集阶段期间相关井眼的物理特性,头单元包括内部测量系统 em和传感器装置,其具有面对大致平行于相关钻孔轴线的至少一部分的头部轴线的径向外侧的多个传感器,所述多个传感器允许头部单元在数据采集阶段期间移动而没有 所述多个传感器至少部分地产生在数据收集阶段收集的至少一组测试数据。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR POSITION AND ORIENTATION DETECTION OF A DOWNHOLE DEVICE
    • 用于位置和方位的系统和方法检测倒塌装置
    • WO2016024867A1
    • 2016-02-18
    • PCT/NO2015/050134
    • 2015-08-14
    • AZIWELL AS
    • BORG, Eirik
    • E21B47/024E21B47/022G01C21/16
    • E21B47/024E21B25/16E21B47/02216E21B47/02232G01C21/16
    • This publication relates to a system and a method for identifying or monitoring the orientation and position of a device, such as a tool, intended to be moved through or be stationary arranged a medium, such as rock, the system comprises an orientation unit (10) including an outer element (11) and an inner element (12). The system comprises further: -a fixed reference point member (13) is arranged on one element of the orientation unit; -at least one detector (15) for at any time sensing and thus identifying the position of the fixed reference point member(13); -at least one second detector (16) for sensing earth gravity; -device(s) for connecting the at least one first detector (15) and the at least one second detector (16) with a processor or retrieving collected data from said at least one first detector (15) and said at least one second detector (16), using such data from said at least one first detector (15) and said at least one second detector (16) for calculating and determining the rotational orientation of the fixed reference point member (13) relative to earth gravity.
    • 该出版物涉及用于识别或监测旨在被移动通过或者静止地布置介质(例如岩石)的装置(例如工具)的取向和位置的系统和方法,该系统包括定向单元(10 )包括外部元件(11)和内部元件(12)。 该系统还包括:固定参考点部件(13)设置在定向单元的一个元件上; - 至少一个检测器(15),用于在任何时间感测并因此识别固定参考点构件(13)的位置; - 用于感测地球重力的至少一个第二检测器(16) - 用于使用处理器连接所述至少一个第一检测器(15)和所述至少一个第二检测器(16)的装置,或从所述至少一个第一检测器(15)和所述至少一个第二检测器(15)检索收集的数据 (16),使用来自所述至少一个第一检测器(15)和所述至少一个第二检测器(16)的数据来计算和确定固定参考点部件(13)相对于地球重力的旋转取向。