DOWNHOLE PROBE CENTRALIZER
    32.
    发明申请

    公开(公告)号:US20180371891A1

    公开(公告)日:2018-12-27

    申请号:US16018356

    申请日:2018-06-26

    CPC classification number: E21B47/01 E21B17/1078 E21B47/011

    Abstract: An assembly for use in subsurface drilling includes a downhole probe supported in a drill string section by centralizing features of a centralizer that is slidably removable from the drill string section. The centralizer may comprise a tubular body having a bore defined through it. A bore wall of the centralizer is fluted to provide inward contact points that support the downhole probe. The downhole probe may be supported for substantially its entire length. The centralizer may optionally comprise and/or be coated with a vibration damping and/or electrically insulating material.

    JIG FOR COUPLING OR UNCOUPLING DRILL STRING SECTIONS WITH DETACHABLE COUPLINGS AND RELATED METHODS
    36.
    发明申请
    JIG FOR COUPLING OR UNCOUPLING DRILL STRING SECTIONS WITH DETACHABLE COUPLINGS AND RELATED METHODS 审中-公开
    用于联接或解除钻孔的JIG可拆卸联轴器的部分和相关方法

    公开(公告)号:US20170044853A1

    公开(公告)日:2017-02-16

    申请号:US15306044

    申请日:2015-05-08

    CPC classification number: E21B19/16 E21B3/04 E21B17/042 E21B19/161 E21B19/167

    Abstract: A jig and method useful for coupling and/or uncoupling drill string sections. In some embodiments, the jig comprises a body having an outer surface for engaging a torqueing tool and a cavity extending from a first end to a second end of the body and an engagement means at the first end of the body. The engagement means may be dimensioned to non-rotationally engage an outer surface of a first end of a drill string section and the cavity may be sized to fit about a drill string section.

    Abstract translation: 用于联接和/或解耦钻柱部分的夹具和方法。 在一些实施例中,夹具包括具有用于接合扭矩工具的外表面和从主体的第一端延伸到第二端的空腔的本体和在主体的第一端处的接合装置。 接合装置的尺寸可以不旋转地接合钻柱段的第一端的外表面,并且空腔的尺寸可以设计成适合围绕钻柱段。

    METHODS AND APPARATUS FOR GENERATING ELECTROMAGNETIC TELEMETRY SIGNALS
    37.
    发明申请
    METHODS AND APPARATUS FOR GENERATING ELECTROMAGNETIC TELEMETRY SIGNALS 有权
    用于生成电磁电报信号的方法和装置

    公开(公告)号:US20160146000A1

    公开(公告)日:2016-05-26

    申请号:US14900063

    申请日:2014-06-20

    CPC classification number: E21B17/006 E21B17/003 E21B17/028 E21B47/122

    Abstract: An electromagnetic telemetry signal generating assembly comprises a first section of drill string, a second section of drill string, a gap sub configured to insulate the first section from the second section, and a power source configured to provide a first voltage to a control circuit. The control circuit is configured to drive a second voltage between the sections of drill string. The gap sub provides a gap of at least 12 inches (30 cm). The second voltage may be different than the first voltage.

    Abstract translation: 电磁遥测信号发生组件包括钻柱的第一部分,钻柱的第二部分,被配置为将第一部分与第二部分绝缘的间隙子和被配置为向控制电路提供第一电压的电源。 控制电路构造成在钻柱的各段之间驱动第二电压。 间隙sub提供至少12英寸(30厘米)的间隙。 第二电压可以不同于第一电压。

    ELECTROMAGNETIC TELEMETRY GAP SUB ASSEMBLY WITH INSULATING COLLAR
    38.
    发明申请
    ELECTROMAGNETIC TELEMETRY GAP SUB ASSEMBLY WITH INSULATING COLLAR 有权
    电磁电缆缝组件与绝缘套管

    公开(公告)号:US20150330155A1

    公开(公告)日:2015-11-19

    申请号:US14443173

    申请日:2013-11-15

    Abstract: An insulating collar for a gap sub assembly for electromagnetic (EM) telemetry used in downhole drilling is disclosed. The gap sub assembly comprises a female member comprising a female mating section and a male member comprising a male mating section and a gap section. The male mating section is matingly received within the female mating section and electrically isolated therefrom. The insulating collar is positioned on the gap section. The collar is made up of a framework with a plurality of discrete bodies spaced about the framework and a portion of each of the discrete bodies protrudes above the framework. Either the framework or the discrete bodies are made of an electrical insulator material to electrically isolate one end of the collar from the other end of the collar. The collar therefore electrically isolates the male member from the female member and the male member, female member and insulating collar function as the “gap sub” for EM telemetry.

    Abstract translation: 公开了一种用于在井下钻井中使用的用于电磁(EM)遥测的间隙子组件的绝缘套环。 间隙子组件包括阴构件,其包括阴配合部分和包括阳配合部分和间隙部分的阳构件。 阳配合部分配合地接纳在阴配合部分内并且与其电绝缘。 绝缘套环位于间隙部分上。 轴环由具有围绕框架间隔开的多个离散体的框架构成,并且每个离散体的一部分在框架上方突出。 框架或离散体由电绝缘材料制成,以将套环的一端与套环的另一端电隔离。 因此,套环将阳构件与阴构件电绝缘,阳构件,阴构件和绝缘环用作EM遥测的“间隙”。

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