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    • 1. 发明申请
    • System For Logging While Running Casing
    • 运行套管时记录系统
    • US20140083177A1
    • 2014-03-27
    • US14001876
    • 2012-02-28
    • Robert UtterGbenga OnadekoAlexis Husser
    • Robert UtterGbenga OnadekoAlexis Husser
    • G01V11/00
    • G01V11/002E21B47/0002E21B47/011
    • A well logging while casing instrument system includes a segment of pipe having at least one window therein corresponding to selected well logging instrument sensors. The segment of pipe has at least one of a float collar, a reaming shoe or a casing drill bit attached to one end thereof. At least one well logging instrument is disposed inside the segment of pipe. The at least one well logging instrument includes at least one sensor disposed at longitudinal position corresponding to the at least one window. The at least one well logging instrument includes a fishing neck at one longitudinal end thereof to enable retrieval of the at least one well logging instrument from the interior of the segment of pipe.
    • 井筒测井系统包括一段管道,其中至少有一个窗口对应于选定的测井仪器传感器。 管段具有浮子轴环,铰孔鞋或连接到其一端的套筒钻头中的至少一个。 至少一个测井仪器设置在管段内。 所述至少一个测井仪器包括至少一个设置在与所述至少一个窗口对应的纵向位置处的传感器。 所述至少一个测井仪器在其一个纵向端包括一个钓鱼颈,以便能够从管段的内部回收至少一个测井仪器。
    • 5. 发明申请
    • DRILL BIT ASSEMBLY HAVING ALIGNED FEATURES
    • 具有对准特征的钻头组合
    • US20130032412A1
    • 2013-02-07
    • US13266086
    • 2009-10-29
    • Kjell HaugvaldstadDerek W. LoganGarry HolmenAnthony R. DopfAron LoganRobert Utter
    • Kjell HaugvaldstadDerek W. LoganGarry HolmenAnthony R. DopfAron LoganRobert Utter
    • E21B10/42B32B37/12
    • E21B10/00E21B47/122Y10S411/93
    • A drill bit assembly has a bit head and a pin body. The bit head comprises a cutting end, an opposite connecting end with an engagement section, and a feature facing the connecting end. The pin body comprises a tubular body with an axial bore therethrough, a connecting end with an engagement section and a feature facing the connecting end. The drill bit assembly is manufactured by positioning the pin body connecting end with the bit head connecting end such that the pin body and bit head engagement sections overlap with a gap therebetween, and the pin body and bit head features are aligned; injecting a thermoplastic or other connecting material in liquid form between the bit head and pin body engagement sections and into the gap; and solidifying the thermoplastic or other connecting material such that the bit head and pin body are mechanically coupled together at their connecting ends and their features are securely aligned.
    • 钻头组件具有钻头头和销体。 钻头头包括切割端,具有接合部的相对连接端和面向连接端的特征。 销体包括具有穿过其中的轴向孔的管状体,具有接合部的连接端和面向连接端的特征。 通过将销主体连接端与钻头头连接端定位使得销体和钻头接合部分与其间的间隙重叠而制造钻头组件,并且销体和钻头头部特征对齐; 在钻头头部和销体接合部分之间注入液体形式的热塑性或其它连接材料并进入间隙中; 并且使热塑性或其它连接材料固化,使得钻头头和销体在它们的连接端机械联接在一起并且其特征被牢固地对准。
    • 7. 发明授权
    • Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties
    • 钻头组件具有电隔离间隙接头,用于测量油藏性能
    • US09022144B2
    • 2015-05-05
    • US13266080
    • 2009-10-29
    • Brian ClarkReza TaherianDerek W. LoganGarry HolmenAnthony R. DopfAaron LoganRobert Utter
    • Brian ClarkReza TaherianDerek W. LoganGarry HolmenAnthony R. DopfAaron LoganRobert Utter
    • E21B47/12G01V3/24E21B10/00
    • G01V3/24E21B10/00E21B17/028E21B45/00E21B47/122
    • A drill bit assembly for measuring reservoir formation properties comprises a bit head and a pin body, and an electrically insulated gap joint between two conductive parts of the drill bit assembly. The bit head has a cutting end and an opposite connecting end with an engagement section. The pin body comprises a connecting end with an engagement section. The pin connecting end is connected to the bit head connecting end such that the engagement sections overlap. The electrically insulating gap joint can fill a gap between the bit head and pin body engagement sections such that the bit head and pin body are mechanically connected together at the connecting ends but electrically separated. Alternatively or additionally, the pin body can have two pieces which are separated by an electrically insulating gap joint. An electrical conductor is electrically connected at a first end to the bit head and is communicable at a second end with an alternating current signal to transmit an alternating current into the bit head, thereby inducing an electric current into a reservoir formation adjacent the bit head. Electronic equipment includes measurement circuitry configured to determine the alternating current at the bit head, the alternating current being inversely proportional to a bit resistivity of the formation.
    • 用于测量储层形成性能的钻头组件包括钻头头和销体,以及在钻头组件的两个导电部件之间的电绝缘间隙接头。 钻头头具有切割端和与接合部分相对的连接端。 销主体包括具有接合部分的连接端。 销连接端连接到钻头头连接端,使得接合部重叠。 电绝缘间隙接头可以填充钻头头和销体接合部分之间的间隙,使得钻头头和销体在连接端机械连接在一起但是电分离。 或者或另外,销体可以具有由电绝缘间隙接头分开的两个部件。 电导体在第一端处电连接到钻头头部,并且可在第二端与交流电信号通信,以将交流电流传输到钻头头中,从而引入电流进入与钻头头相邻的储层结构中。 电子设备包括测量电路,其被配置为确定位头处的交流电,交流电与地层的位电阻成反比。