Downhole high resolution NMR spectroscopy with polarization enhancement
    11.
    发明申请
    Downhole high resolution NMR spectroscopy with polarization enhancement 有权
    井下高分辨率NMR光谱与极化增强

    公开(公告)号:US20040119471A1

    公开(公告)日:2004-06-24

    申请号:US10696995

    申请日:2003-10-30

    Abstract: An apparatus and method is discussed for characterizing a fluid sample downhole of aliphatic hydrocarbon compounds, aromatic hydrocarbon compound, or connate mud filtrates containing carbon-13 isotopes using an enhanced nuclear magnetic resonance (NMR) signal on a measurement-while-drilling device. To enhance the carbon-13 NMR signal these nuclei are being hyperpolarized. Either the Overhauser Effect (OE) or the Nuclear Overhauser Effect or optical pumping and the Spin Polarization Induced Nuclear Overhauser Effect (SPINOE) can serve as a mechanism for hyperpolarization of the carbon-13 nuclei.

    Abstract translation: 讨论了一种装置和方法,用于在钻井测量装置上使用增强的核磁共振(NMR)信号来表征含有碳-13同位素的脂族烃化合物,芳烃化合物或原生泥浆滤液在井下的流体样品。 为了增强碳-13 NMR信号,这些核正在被超极化。 Overhauser效应(OE)或核超越效应或光泵浦和旋转极化诱导的核超越效应(SPINOE)可以作为碳-13核超极化的机制。

    Formation-based interpretation of NMR data for carbonate reservoirs
    12.
    发明申请
    Formation-based interpretation of NMR data for carbonate reservoirs 有权
    碳酸盐岩储层核磁共振数据的基于形成的解释

    公开(公告)号:US20030231017A1

    公开(公告)日:2003-12-18

    申请号:US10442585

    申请日:2003-05-21

    Abstract: An apparatus and method for determining a parameter of interest of a formation composed of carbonate rock. A nuclear magnetic resonance (NMR) sensor assembly produces a pulsed RF field designed for obtaining measurements indicative of the parameter of interest of the formation. A downhole processor processes the measurements for obtaining BVI and BVM using a cutoff time based on classification of the carbonate. Further processing is done to estimate the permeability of the carbonate.

    Abstract translation: 一种用于确定由碳酸盐岩组成的地层的感兴趣参数的装置和方法。 核磁共振(NMR)传感器组件产生设计用于获得指示地层感兴趣的参数的测量的脉冲RF场。 井下处理器使用基于碳酸盐分类的截止时间来处理用于获得BVI和BVM的测量。 进行进一步处理以估计碳酸盐的渗透性。

    Method and apparatus for NMR sensor with loop-gap resonator
    13.
    发明申请
    Method and apparatus for NMR sensor with loop-gap resonator 失效
    具有环形间隙谐振器的NMR传感器的方法和装置

    公开(公告)号:US20030151408A1

    公开(公告)日:2003-08-14

    申请号:US10132986

    申请日:2002-04-26

    CPC classification number: G01V3/32 G01N24/081 G01R33/343

    Abstract: A loop-gap resonator for providing an excitation pulse in a down hole nuclear magnetic resonating (NMR) tool for determining a parameter of interest in a formation adjacent a borehole. The loop-gap resonator is constructed having one or more capacitive gaps formed in a nonmagnetic conductive loop. The loop-gap resonator may be deployed down a bore in a measurement while drilling (MWD) configuration or in a wire line configuration. The MWD configuration may utilize a non-rotating sleeve rotationally associated with the drill string.

    Abstract translation: 一种用于在井下核磁共振(NMR)工具中提供激发脉冲的环形间隙谐振器,用于确定邻近钻孔的地层中的感兴趣参数。 环形间隙谐振器被构造成具有形成在非磁性导电环路中的一个或多个电容间隙。 环路间隙谐振器可以在钻孔(MWD)配置或线缆配置中在测量中的孔内部署下来。 MWD构造可以利用与钻柱旋转地相关联的非旋转套筒。

    Drilling assembly with a steering device for coiled -tubing operations
    15.
    发明申请
    Drilling assembly with a steering device for coiled -tubing operations 有权
    具有用于盘管操作的转向装置的钻孔组件

    公开(公告)号:US20020088648A1

    公开(公告)日:2002-07-11

    申请号:US10100671

    申请日:2002-03-18

    CPC classification number: E21B17/1014 E21B7/068

    Abstract: The present invention provides a drilling assembly for drilling deviated wellbores. The drilling assembly includes a drill bit at the lower end of the drilling assembly. A drilling motor provides the rotary power to the drill bit. A bearing assembly of the drilling motor provides lateral and axial support to the drill shaft connected to the drill bit. A steering device is integrated into drilling motor assembly. The steering device contains a plurality of force application members disposed at an outer surface of the drilling motor assembly Each force application member is adapted to move between a normal position and a radially extended position to exert force on the wellbore interior when in extended position. A power unit in the housing provides pressurized fluid to the force application members. A control device for independently operating each of the force application members is disposed in the drilling motor assembly. A control circuit or unit independently controls the operation of the control device to independently control each force application member. For short radius drilling, a knuckle joint is disposed uphole of the steering device to provide a bend in the drilling assembly. During drilling of a wellbore, the force application members are operated to adjust the force on the wellbore to drill the wellbore in the desired direction.

    Abstract translation: 本发明提供了一种用于钻削偏斜井眼的钻井组件。 钻孔组件包括在钻孔组件的下端的钻头。 钻头电机为钻头提供旋转动力。 钻孔马达的轴承组件为连接到钻头的钻杆提供横向和轴向支撑。 转向装置集成在钻机电机组件中。 转向装置包括设置在钻孔马达组件的外表面处的多个施力构件。每个施力构件适于在正常位置和径向延伸位置之间移动,以在延伸位置对井筒内部施加力。 外壳中的动力单元向加力构件提供加压流体。 用于独立地操作每个施力部件的控制装置设置在钻井马达组件中。 控制电路或单元独立地控制控制装置的操作以独立地控制每个施力部件。 对于短半径钻孔,转向节接头设置在转向装置的井上,以在钻井组件中提供弯曲。 钻井期间,操作力施加构件以调节井筒上的力以沿期望的方向钻井。

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