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    • 22. 发明申请
    • DEVICE AND SYSTEM FOR USE IN MONITORING CORING OPERATIONS
    • 用于监测钻孔操作的装置和系统
    • WO2016054698A1
    • 2016-04-14
    • PCT/AU2015/050616
    • 2015-10-09
    • SPECIALISED OILFIELD SERVICES PTY LTD
    • CONNELL, William FrancisTHOMPSON, Andrew Kenneth
    • E21B25/10E21B49/02
    • E21B25/16E21B25/10E21B34/14E21B47/12E21B47/18E21B49/02
    • A system for monitoring coring operations has a sensor 80 for detecting one or more drilling parameters relating to a down-the-hole coring operation. An indicative signal from the sensor is communicated to a signal transmitter (30) for transmitting the indicative signal to the surface. The signal transmitter is located in or adjacent the coring assembly. The signal transmitter can be a mud pulser (30) housed above a core barrel (14). Communication of the indicative signal to the signal transmitter can be wireless, hard wired or conducted through the material of an outer barrel (12) of a drilling assembly. The core barrel can include a core limit recognition/detection device (34). An adapter/sub (90) incorporates a check valve (92) to relieve excess fluid pressure if there is sufficient hydraulic lock immediately above a core sample within the core barrel as the core sample enters the core barrel.
    • 用于监测取芯操作的系统具有用于检测与井下取芯操作有关的一个或多个钻孔参数的传感器80。 来自传感器的指示信号被传送到用于将指示信号发送到表面的信号发射器(30)。 信号发射器位于取芯组件中或其附近。 信号发射器可以是容纳在核心筒(14)上方的泥浆泵(30)。 指示信号到信号发射器的通信可以是无线的,硬接线的或通过钻孔组件的外筒(12)的材料传导的。 芯筒可以包括芯限位识别/检测装置(34)。 如果核芯样品进入芯筒时,如果在芯筒内的芯样品上方存在足够的液压锁,则适配器/副(90)包括止回阀(92)以释放过多的流体压力。
    • 26. 发明申请
    • DRILL SAMPLE PARTICLE DISTRIBUTOR
    • 钻取样品分配器
    • WO2014110619A1
    • 2014-07-24
    • PCT/AU2013/001513
    • 2013-12-20
    • METZKE PTY LTD
    • LEAHY, Matthew K.BORG, Tomas
    • B05B3/14B05B5/04B05B5/16B05B7/14B07B13/10B07B13/16B05B3/02
    • E21B25/005B05B3/02B05B3/14E21B49/005E21B49/02G01N1/08G01N1/2211
    • A particle distributor assembly (10) for distributing the particles of a drill sample is described. The distributor assembly comprises a stationary inlet tube (14) through which particles enter the distributor assembly (10), and a rotatable distributor head (16). The rotatable distributor head (16) has an upwardly directed inlet (18) offset from a central axis of rotation of the distributor head (16) and a transversely directed outlet (22) wherein, in use, when the distributor head (16) is rotated at high speed particles entering the distributor head inlet are accelerated outwardly in a radial direction through the distributor head outlet. The particle distributor assembly (10) also has a distributor nozzle (24) having an inlet (26) and an outlet (28), the nozzle inlet (26) being aligned with the stationary inlet tube and the nozzle outlet (28) being aligned with the distributor head inlet. The distributor nozzle (24) is supported between the inlet tube (14) and the distributor head (16) in such a manner that it is constrained from rotating whilst the nozzle outlet (28) is able to oscillate in a circular motion with the distributor head inlet (18). In use, the oscillating motion of the nozzle outlet (28) helps to promote particle flow and produce a more representative distribution of particles exiting from the distributor head outlet (22).
    • 描述了用于分配钻孔样品的颗粒的颗粒分配器组件(10)。 分配器组件包括固定入口管(14),颗粒通过该入口管进入分配器组件(10)和可旋转的分配头(16)。 可旋转的分配头(16)具有从分配头(16)和横向定向的出口(22)的中心旋转轴线偏移的向上定向的入口(18),其中在使用时,当分配头(16)为 在进入分配器头部入口的高速粒子旋转时,通过分配器头部出口沿径向向外加速。 颗粒分配器组件(10)还具有分配器喷嘴(24),其具有入口(26)和出口(28),喷嘴入口(26)与固定入口管和喷嘴出口(28)对准 与分配器头入口。 分配器喷嘴(24)以这样的方式支撑在入口管(14)和分配器头部(16)之间,使得当喷嘴出口(28)能够与分配器(28)以圆周运动振荡时,其被限制旋转 头入口(18)。 在使用中,喷嘴出口(28)的摆动运动有助于促进颗粒流动并产生从分配器头部出口(22)排出的更具代表性的分布。
    • 29. 发明申请
    • CORE DRILLING TOOLS WITH EXTERNAL FLUID PATHWAYS
    • 具有外部流体路径的钻孔钻具
    • WO2011084587A3
    • 2011-09-29
    • PCT/US2010060742
    • 2010-12-16
    • LONGYEAR TM INCDRENTH CHRISTOPHER L
    • DRENTH CHRISTOPHER L
    • E21B25/02
    • E21B25/02E21B49/02
    • Implementations of the present invention include a core barrel assembly including external fluid pathways extending generally axially long the outer surface of the core barrel assembly. The one or more external fluid pathways can allow for increased fluid flow around a latch mechanism. The increased fluid flow around the latch mechanism can allow the core barrel assembly to travel faster within the drill string, can allow drilling fluid to pass by the latch mechanism when engaged. Implementations of the present invention also include drilling systems including external fluid pathways, and methods of retrieving a core sample using such drilling systems.
    • 本发明的实施方案包括芯筒组件,其包括大体轴向地延伸到芯筒组件的外表面的外部流体通路。 一个或多个外部流体通道可以允许围绕闩锁机构增加的流体流动。 围绕闩锁机构的增加的流体流动可允许芯筒组件在钻柱内更快地行进,当接合时允许钻井液通过闩锁机构。 本发明的实施方案还包括包括外部流体路径的钻井系统以及使用这种钻井系统获取核心样品的方法。