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    MULTIPLIER TUBE NEUTRON DETECTOR
    2.
    发明申请
    MULTIPLIER TUBE NEUTRON DETECTOR 审中-公开
    倍增管中子探测器

    公开(公告)号：WO2012067954A3

    公开(公告)日：2012-08-02

    申请号：PCT/US2011060303

    申请日：2011-11-11

    Applicant: SCHLUMBERGER CA LTD ,  SCHLUMBERGER SERVICES PETROL ,  SCHLUMBERGER HOLDINGS ,  SCHLUMBERGER TECHNOLOGY BV ,  PRAD RES & DEV LTD ,  STEPHENSON KEN ,  STOLLER CHRISTIAN ,  PHILIP OLIVIER G

    Inventor： STEPHENSON KEN ,  STOLLER CHRISTIAN ,  PHILIP OLIVIER G

    IPC: G01T3/00 ,  G01V5/04

    CPC classification number: G01T3/00 ,  G01T1/28 ,  G01V5/04 ,  G01V5/107 ,  H01J47/1205

    Abstract: A neutron detecting device using a neutron-reactive material as the source of charged particles to feed conventional dynode-based electron multiplier which not gas-filled (i.e., with 3He). The detector comprises a neutron-reacting material that produces charged particles, coupled with an electron multiplier that is known for use in photomultipliers. The neutron-reacting material is deposited on a substrate at the entrance to the electron multiplier. Charged particles from the neutron-reacting material impinge on the first dynode of the electron multiplier, where, in turn, electrons are generated. The secondary electrons are collected by a second dynode, and the charge so collected is amplified in each succeeding dynode stage in a cascade effect. The charge pulse from the anode is processed by subsequent pulse processing electronics and counting electronics to provide a count rate that is proportional to the neutron flux incident on the neutron-reacting material.

    Abstract translation: 一种使用中子反应性材料作为带电粒子源的中子检测装置，用于供给未充气（即，具有3He）的传统基于倍增电极的电子倍增器。 该检测器包括产生带电粒子的中子反应材料，与已知用于光电倍增管的电子倍增器相结合。 中子反应材料沉积在电子倍增器入口处的衬底上。 来自中子反应材料的带电粒子撞击电子倍增器的第一倍增极，其中依次产生电子。 二次电子被第二个倍增电极收集，并且所收集的电荷在每个随后的倍增电极阶段以级联效应被放大。 来自阳极的电荷脉冲被后续的脉冲处理电子器件和计数电子装置处理，以提供与入射在中子反应材料上的中子通量成比例的计数率。

    MULTIPLIER TUBE NEUTRON DETECTOR
    3.
    发明申请
    MULTIPLIER TUBE NEUTRON DETECTOR 审中-公开

    公开(公告)号：WO2012067954A2

    公开(公告)日：2012-05-24

    申请号：PCT/US2011/060303

    申请日：2011-11-11

    Applicant: SCHLUMBERGER CANADA LIMITED ,  SERVICES PETROLIERS SCHLUMBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED ,  STEPHENSON, Ken ,  STOLLER, Christian ,  PHILIP, Olivier G.

    Inventor： STEPHENSON, Ken ,  STOLLER, Christian ,  PHILIP, Olivier G.

    IPC: G01T3/00 ,  G01V5/04

    CPC classification number: G01T3/00 ,  G01T1/28 ,  G01V5/04 ,  G01V5/107 ,  H01J47/1205

    Abstract: A neutron detecting device using a neutron-reactive material as the source of charged particles to feed conventional dynode-based electron multiplier which not gas-filled (i.e., with 3 He). The detector comprises a neutron-reacting material that produces charged particles, coupled with an electron multiplier that is known for use in photomultipliers. The neutron-reacting material is deposited on a substrate at the entrance to the electron multiplier. Charged particles from the neutron-reacting material impinge on the first dynode of the electron multiplier, where, in turn, electrons are generated. The secondary electrons are collected by a second dynode, and the charge so collected is amplified in each succeeding dynode stage in a cascade effect. The charge pulse from the anode is processed by subsequent pulse processing electronics and counting electronics to provide a count rate that is proportional to the neutron flux incident on the neutron-reacting material.

    Abstract translation: 使用中子反应性材料作为带电粒子源的中子检测装置，用于馈送未充气的（即3He）的常规的基于倍增极的电子倍增器。 检测器包括产生带电粒子的中子反应材料，与已知用于光电倍增管的电子倍增器耦合。 中子反应材料沉积在电子倍增器入口处的衬底上。 来自中子反应材料的带电粒子撞击电子倍增器的第一倍增极，其中又产生电子。 二次电子由第二倍增电极收集，并且如此收集的电荷在后续的倍增电极阶段以级联效应放大。 来自阳极的充电脉冲由随后的脉冲处理电子器件和计数电子器件处理，以提供与入射在中子反应材料上的中子通量成比例的计数速率。

    NEUTRON DETECTION BASED ON A BORON SHIELDED GAMMA DETECTOR
    4.
    发明申请
    NEUTRON DETECTION BASED ON A BORON SHIELDED GAMMA DETECTOR 审中-公开
    基于BONON屏蔽伽马检测器的中子检测

    公开(公告)号：WO2012012101A3

    公开(公告)日：2012-05-18

    申请号：PCT/US2011041929

    申请日：2011-06-26

    Applicant: SCHLUMBERGER CA LTD ,  SCHLUMBERGER TECHNOLOGY BV ,  PRAD RES & DEV LTD ,  SCHLUMBERGER SERVICES PETROL ,  SCHLUMBERGER HOLDINGS ,  ZHOU TONG ,  ROSE DAVID ,  BEEKMAN SICCO ,  STOLLER CHRISTIAN

    Inventor： ZHOU TONG ,  ROSE DAVID ,  BEEKMAN SICCO ,  STOLLER CHRISTIAN

    IPC: G01T3/00 ,  G01T1/20

    CPC classification number: G01T3/06 ,  G01T1/20 ,  G01V5/104 ,  G01V11/00

    Abstract: A method is provided to detect neutrons using a boron- shielded gamma-ray detector, which will detect the 0.48-MeV prompt gamma ray due to the 10 B (n,a)7Li reaction. The gamma ray detector can be a proportional gas counter, a scintillation based detector, or a semiconductor detector. Monoenergetic prompt gammas will produce a sharp peak in the pulse height spectrum of a gamma-ray spectroscopy detector. By surrounding a gamma detector with a layer containing 10B, we can measure the gamma signal and neutron signal at the same time and at the same physical location in an instrument. The approach can be used to measure neutron porosity simultaneous with gamma-ray counting or spectroscopy at the same location as long as the.48-keV gamma- ray from the neutron reaction does not interfere with the gamma-ray measurement.

    Abstract translation: 提供了一种使用硼屏蔽γ射线探测器来探测中子的方法，该探测器将检测由于10 B（n，a）7Li反应而产生的0.48-MeV瞬发γ射线。 伽玛射线探测器可以是比例气体计数器，基于闪烁的探测器或半导体探测器。 单能快速伽马将在伽马射线光谱检测器的脉冲高度谱中产生尖峰。 通过围绕具有10B层的伽玛探测器，我们可以在仪器中同时和在同一物理位置测量伽玛信号和中子信号。 只要来自中子反应的48 keV伽马射线不干扰伽马射线测量，该方法可用于在同一位置同时进行伽马射线计数或光谱学测量中子孔隙度。

    HIGH VOLTAGE SUPPLY FOR COMPACT RADIATION GENERATOR
    6.
    发明申请
    HIGH VOLTAGE SUPPLY FOR COMPACT RADIATION GENERATOR 审中-公开
    用于紧凑型辐射发生器的高压电源

    公开(公告)号：WO2011060344A2

    公开(公告)日：2011-05-19

    申请号：PCT/US2010/056660

    申请日：2010-11-15

    Applicant: SCHLUMBERGER CANADA LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED ,  SERVICES PETROLIERS SCHLUBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  PERKINS, Luke, T. ,  STOLLER, Christian ,  WRAIGHT, Peter

    Inventor： PERKINS, Luke, T. ,  STOLLER, Christian ,  WRAIGHT, Peter

    CPC classification number: G21G4/02 ,  H05H3/06

    Abstract: Disclosed is a radiation logging tool, comprising a tool housing; a compact generator that produces radiation; a power supply coupled to the compact generator; and control circuitry. Embodiments of the compact generator comprise a generator vacuum tube comprising a source generating charged particles, and a target onto which the charged particles are directed; and a high voltage supply comprising a high voltage multiplier ladder located laterally adjacent to the generator vacuum tube. The high voltage supply applies a high voltage between the source and the target to accelerate the charged particles to a predetermined energy level. The compact generator also includes an electrical coupling between an output of the high voltage supply and the target of the generator vacuum tube to accommodate the collocated positions of the generator vacuum tube and the high voltage power supply.

    Abstract translation: 公开了一种辐射测井工具，其包括工具壳体; 一个产生辐射的小型发电机; 耦合到所述小型发电机的电源; 和控制电路。 该小型发电机的实施例包括发生器真空管，该发生器真空管包括产生带电粒子的源和带电粒子被引导到的目标; 以及包括位于发电机真空管横向相邻的高压倍增器梯的高压电源。 高压电源在源和目标之间施加高电压以将带电粒子加速到预定能级。 小型发电机还包括高压电源的输出和发电机真空管的目标之间的电耦合，以适应发电机真空管和高压电源的配置位置。

    DOWNHOLE TOOLS WITH SOLID-STATE NEUTRON MONITORS
    9.
    发明申请
    DOWNHOLE TOOLS WITH SOLID-STATE NEUTRON MONITORS 审中-公开
    带有固态中子监测器的井下工具

    公开(公告)号：WO2009032503A2

    公开(公告)日：2009-03-12

    申请号：PCT/US2008/073228

    申请日：2008-08-15

    Applicant: SCHLUMBERGER CANADA LIMITED ,  SCHLUMBERGER TECHNOLOGY B.V. ,  PRAD RESEARCH AND DEVELOPMENT LIMITED ,  SERVICES PETROLIERS SCHLUMBERGER ,  SCHLUMBERGER HOLDINGS LIMITED ,  SAENGER, Richard ,  ROSCOE, Bradley, A. ,  ZHOU, Zilu ,  STOLLER, Christian

    Inventor： SAENGER, Richard ,  ROSCOE, Bradley, A. ,  ZHOU, Zilu ,  STOLLER, Christian

    CPC classification number: G01T3/08 ,  G01V5/04

    Abstract: A nuclear tool includes a tool housing; a neutron generator disposed in the tool housing; and a solid-state neutron monitor disposed proximate the neutron generator for monitoring the output of the neutron generator. A method for constructing a nuclear tool includes disposing a neutron generator in a tool housing; and disposing a solid-state neutron monitor proximate the neutron generator for monitoring the output of the neutron generator. A method for logging a formation includes disposing a nuclear tool in a wellbore penetrating the formation, wherein the nuclear tool comprises a neutron generator and a solid-state neutron monitor disposed proximate the neutron generator; generating neutrons from the neutron generator; monitoring neutrons generated by the neutron generator using the solid-state neutron monitor; detecting signals generated from the neutrons traveling in the formation; and correcting the detected signals, based on signal strength detected by the solid-state neutron monitor, to produce corrected signals.

    Abstract translation: 核工具包括工具外壳; 中子发生器，其设置在所述工具壳体中; 以及靠近中子发生器设置的固态中子监测器，用于监测中子发生器的输出。 一种用于构造核工具的方法包括：将中子发生器设置在工具壳体中; 以及靠近中子发生器设置固态中子监测器以监测中子发生器的输出。 用于测井地层的方法包括将核工具放置在穿透地层的井眼中，其中该核工具包括中子发生器和靠近中子发生器设置的固态中子监测器; 从中子发生器产生中子; 使用所述固态中子监测器监测由所述中子发生器产生的中子; 检测从在地层中行进的中子产生的信号; 并基于由固态中子监测器检测到的信号强度校正检测到的信号以产生校正信号。

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