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    NMR probe and methods of use
    14.
    发明授权
    NMR probe and methods of use 有权

    公开(公告)号：US10386530B2

    公开(公告)日：2019-08-20

    申请号：US14431843

    申请日：2013-09-27

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Yi-Qiao Song ,  Soumyajit Mandal ,  Yiqiao Tang ,  Martin D. Hurlimann ,  Jeffrey Paulsen

    IPC: G01R33/30 ,  G01V3/32 ,  E21B49/08 ,  G01N24/08 ,  G01R33/345 ,  G01R33/44 ,  G01R33/46 ,  G01N24/10 ,  G01R33/383

    Abstract: A coaxial nuclear magnetic resonance (NMR) probe and related methods are described herein. The coaxial NMR probe includes a housing with a fluid inlet, a fluid outlet, a longitudinal axis, and an interior volume. The housing contains a fluid sample that is analyzed by the probe. The coaxial NMR probe also includes an elongated conductor disposed along the longitudinal axis of the housing. The elongated conductor generates an oscillating electromagnetic field within the interior volume of the housing. The oscillating electromagnetic field produces a NMR signal within the fluid sample. The elongated conductor may also be used to receive this NMR signal. The NMR signal is then analyzed to determine information about the fluid sample. Various NMR pulse sequences for use with this coaxial probe and other coaxial probes are also described herein.

    Methods And Apparatuses For Echo Processing Of Nuclear Magnetic Resonance (NMR) Data
    18.
    发明申请
    Methods And Apparatuses For Echo Processing Of Nuclear Magnetic Resonance (NMR) Data 审中-公开
    核磁共振（NMR）数据的回波处理方法和装置

    公开(公告)号：US20160109613A1

    公开(公告)日：2016-04-21

    申请号：US14516425

    申请日：2014-10-16

    Applicant: Schlumberger Technology Corporation

    Inventor： Jeffrey L. Paulsen ,  Martin D. Hurlimann ,  Julius Kusuma ,  Brian E. Boling ,  Soumyajit Mandal ,  Brian Gaddis

    IPC: G01V3/38 ,  G01V3/32

    CPC classification number: G01V3/38 ,  G01V3/32

    Abstract: In one aspect, a nuclear magnetic resonance (NMR) system includes a transmitter of an NMR tool to output a magnetic field pulse into a zone of interest, a receiver of the NMR tool to output an NMR echo data set produced from an interaction of the magnetic field pulse and the zone of interest, and an NMR echo processing module including a filter matched to a response of the NMR tool to output a filtered NMR echo data set from the NMR echo data set. In another aspect, a method of processing an NMR echo data set includes providing from an NMR tool the NMR echo data set produced from an interaction of a magnetic field pulse and a zone of interest, matching a filter to a response of the NMR tool, and filtering the NMR echo data set with the filter to produce a filtered NMR echo data set.

    Abstract translation: 在一个方面，核磁共振（NMR）系统包括用于将磁场脉冲输出到感兴趣区域的NMR工具的发射器，NMR工具的接收器，用于输出由以下的相互作用产生的NMR回波数据集： 磁场脉冲和感兴趣的区域，以及NMR回波处理模块，其包括与NMR工具的响应匹配的滤波器，以从NMR回波数据集输出滤波的NMR回波数据集。 在另一方面，一种处理NMR回波数据集的方法包括从NMR工具提供由磁场脉冲和感兴趣区域的相互作用产生的NMR回波数据集，其将过滤器与NMR工具的响应相匹配， 并用滤波器过滤NMR回波数据集，以产生经滤波的NMR回波数据集。

    METHOD FOR IDENTIFYING CHEMICAL SPECIES IN A SUBSTANCE USING NQR
    19.
    发明申请
    METHOD FOR IDENTIFYING CHEMICAL SPECIES IN A SUBSTANCE USING NQR 审中-公开
    使用NQR鉴别化学物质的方法

    公开(公告)号：US20160077178A1

    公开(公告)日：2016-03-17

    申请号：US14888732

    申请日：2014-05-01

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Yi-Qiao Song ,  Soumyajit Mandal

    IPC: G01R33/44 ,  G01N24/08

    CPC classification number: G01R33/441 ,  G01N24/081 ,  G01N24/084

    Abstract: Methods and systems for identifying a chemical species within a substance using nuclear quadrupole resonance (NQR) are described herein. One method includes applying a number of NQR perturbation-detection pulse sequences to the substance. Each perturbation-detection pulse sequence includes a perturbation segment applied at a perturbation frequency and a detection segment applied at a second different frequency. As the sequences are applied, the perturbation frequency, the second frequency, or both are varied for each pulse sequence. The method also includes applying a number of NQR reference pulse sequences to the substance at a reference frequency. The reference frequency is varied for each pulse sequence. A chemical species is identified within the substance by comparing (i) a set of NQR signals generated by the perturbation-detection pulse sequences with (ii) a reference set of NQR signals generated by the reference pulse sequences.

    Abstract translation: 本文描述了使用核四极共振（NQR）鉴定物质内的化学物质的方法和系统。 一种方法包括对物质应用多个NQR扰动检测脉冲序列。 每个扰动检测脉冲序列包括以扰动频率施加的扰动段和以第二不同频率施加的检测段。 随着序列的应用，扰动频率，第二频率或两者都针对每个脉冲序列而变化。 该方法还包括以参考频率向物质施加多个NQR参考脉冲序列。 对于每个脉冲序列，参考频率是变化的。 通过比较（i）由扰动检测脉冲序列产生的一组NQR信号与（ii）由参考脉冲序列产生的NQR信号的参考集合，在物质内识别化学物质。

    METHOD AND SYSTEM FOR APPLYING NQR PULSE SEQUENCES
    20.
    发明申请
    METHOD AND SYSTEM FOR APPLYING NQR PULSE SEQUENCES 有权
    用于应用NQR脉冲序列的方法和系统

    公开(公告)号：US20150077102A1

    公开(公告)日：2015-03-19

    申请号：US14383886

    申请日：2013-03-07

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Soumyajit Mandal ,  Yi-Qiao Song

    IPC: G01V3/32 ,  G01N24/08 ,  G01V3/14

    CPC classification number: G01V3/32 ,  G01N24/084 ,  G01N24/087 ,  G01R33/441 ,  G01V3/14

    Abstract: A method and system for applying nuclear quadrupole resonance (NQR) sequences to a substance and determining presence of a chemical species within the substance using the sequences are described herein. The method includes applying an NQR pulse sequence to the substance using a non-resonant transmitter circuit. The method further includes detecting a NQR signal within the substance and determining presence of a chemical species within the substance using the NQR signal.

    Abstract translation: 本文描述了将核四极共振（NQR）序列应用于物质并使用序列确定物质内的化学物质的存在的方法和系统。 该方法包括使用非谐振发射器电路向物质施加NQR脉冲序列。 该方法还包括检测物质内的NQR信号，并使用NQR信号确定物质内的化学物质的存在。

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