公开(公告)号：US20100057378A1

公开(公告)日：2010-03-04

申请号：US12201859

申请日：2008-08-29

申请人： Felix Chen ,  Gary Corris

发明人： Felix Chen ,  Gary Corris

IPC分类号： G01V5/12 ,  G01N15/06 ,  G06F19/00

CPC分类号： G01N21/85 ,  G01N15/0205 ,  G01N21/94 ,  G01N23/12 ,  G01N2223/641

摘要： Methods and devices for detecting particles in a fluid within a medium, such the analyzing device includes: a source adapted to transmit signals into the medium; at least one detector adapted to detect signals transmitted from the source such that the at least one detector and the source are structured and arranged on opposite sides of the medium; at least one processing unit in communication with the at least one detector and adapted to produce a plurality of output signals representative of one of at least one particle characteristic or one or more particle property.

摘要翻译： 用于检测介质内的流体中的颗粒的方法和装置，例如分析装置包括：适于将信号传输到介质中的源; 至少一个检测器，其适于检测从所述源发送的信号，使得所述至少一个检测器和所述源被构造和布置在所述介质的相对侧上; 至少一个处理单元，其与所述至少一个检测器通信并且适于产生表示至少一个粒子特性或一个或多个粒子特性之一的多个输出信号。

公开(公告)号：US20100004867A1

公开(公告)日：2010-01-07

申请号：US12166045

申请日：2008-07-01

申请人： Tong Zhou ,  Jeffrey Robert Miles

发明人： Tong Zhou ,  Jeffrey Robert Miles

IPC分类号： G01V5/12

CPC分类号： G01V5/12

摘要： Methods and related systems are described for predicting a response of a gamma ray measurement tool located in a borehole surrounded by a subterranean formation. A response of the tool is calculated according to one or more properties at a plurality of spatial locations in relation to the measurement tool using a forward model that assumes a non-linear relationship between the one or more properties at the plurality of spatial locations and the corresponding response of the tool.

摘要翻译： 描述了用于预测位于由地层围绕的钻孔中的伽马射线测量工具的响应的方法和相关系统。 使用假设在多个空间位置处的一个或多个属性之间的非线性关系的前向模型，根据与测量工具相关的多个空间位置处的一个或多个属性来计算工具的响应， 相应的工具反应。

公开(公告)号：US07542543B2

公开(公告)日：2009-06-02

申请号：US11532236

申请日：2006-09-15

申请人： Rod Shampine ,  Joel Groves ,  Anthony Durkowski ,  Etienne Vallee ,  Peter Wraight

发明人： Rod Shampine ,  Joel Groves ,  Anthony Durkowski ,  Etienne Vallee ,  Peter Wraight

IPC分类号： G01N23/06 ,  G01V5/12

CPC分类号： G01N9/24 ,  G01N23/12 ,  G01N33/2823 ,  G01N2015/0693

摘要： A method and apparatus for determining the density and phase fractions of well services fluids is shown including an x-ray generator, a sample cell, and a radiation detector. Radiation is passed through the sample cell and fluid and the attenuated radiation signal is used to evaluate the fluid. In one embodiment, a reference radiation detector measures a filtered radiation signal and controls the acceleration voltage and/or beam current of the x-ray generator using this information. The apparatus may be permanently affixed for long term monitoring or temporarily clamped on to a pipe in production.

摘要翻译： 示出了用于确定井服务流体的密度和相分数的方法和装置，其包括x射线发生器，样品池和放射线检测器。 辐射通过样品池和流体，衰减的辐射信号用于评估流体。 在一个实施例中，参考辐射检测器测量经滤波的辐射信号，并使用该信息来控制x射线发生器的加速电压和/或束流。 该设备可以永久地固定以用于长期监测或临时夹紧在生产中的管道上。

公开(公告)号：US20090039242A1

公开(公告)日：2009-02-12

申请号：US12144377

申请日：2008-06-23

申请人： Tancredi Botto ,  Darwin Ellis

发明人： Tancredi Botto ,  Darwin Ellis

IPC分类号： G01V5/12 ,  G01B15/00

CPC分类号： G01V5/125

摘要： Methods for density logging utilizes gamma-rays above a pair-production threshold so as to determine lithology information of formations whereby to correct a measured density data.

摘要翻译： 用于密度测井的方法利用高于成对阈值的伽马射线，以便确定地层的岩性信息，从而校正测量的密度数据。

公开(公告)号：US20080116365A1

公开(公告)日：2008-05-22

申请号：US11600536

申请日：2006-11-16

申请人： Michael Flecker

发明人： Michael Flecker

IPC分类号： G01V5/12

CPC分类号： G01V5/12

摘要： An apparatus and method for logging information concerning the identity and/or condition of materials present within a wellbore is based on gamma ray spectroscopy. The apparatus includes a gamma ray source and at least one spectral gamma ray detector, with a controller capable of commanding or effecting digitization of the spectral data obtained by the detector. The data can be stored in a memory system and downloaded for analysis. The invention eliminates the problem of instrument “gain” and, because it generates spectral data, provides downhole qualitative and quantitative information beyond that of conventional non-spectral downhole imaging means and methods. Applications include, but are not limited to, reliably determining gravel pack integrity.

摘要翻译： 用于记录关于存在于井眼内的材料的身份和/或状况的信息的装置和方法基于伽马射线光谱法。 该装置包括伽马射线源和至少一个光谱伽马射线检测器，具有能够命令或实现由检测器获得的光谱数据的数字化的控制器。 数据可以存储在存储器系统中并下载以进行分析。 本发明消除了仪器“增益”的问题，并且由于其产生光谱数据，提供了超出常规非光谱井下成像方法和方法的井下定性和定量信息。 应用包括但不限于可靠地确定砾石充填完整性。

公开(公告)号：US07285772B2

公开(公告)日：2007-10-23

申请号：US11127570

申请日：2005-05-12

申请人： Laurent Labous ,  Christian Stoller

发明人： Laurent Labous ,  Christian Stoller

IPC分类号： G01V5/12

CPC分类号： G01V5/125 ,  G01V5/107

摘要： It is described a logging tool 20 for underground formations surrounding a borehole 14, comprising an elongated body 21 along a major axis; a collar 22 disposed peripherally around said body 21 having a collar wall defined by an inner and an outer surface; a radiation emitting source 201 arranged to illuminate the earth formation 16 surrounding the borehole; at least one radiation detector 211 arranged to detect radiation reflected by the earth formation resulting from illumination by the source 201; at least one source collimation—window 202 and one detector collimation window 212 through which the earth formation is illuminated and radiation is detected; and characterized in that it further comprises at least one radiation shield 30 located between said inner collar surface and the outer surface of the tool, said radiation shield positioned so as to eliminate parasitic radiation that has not traversed the outer collar.

摘要翻译： 描述了用于围绕钻孔14的地下地层的测井工具20，其包括沿着长轴的细长主体21; 围绕所述主体21设置的具有由内表面和外表面限定的轴环壁的轴环22; 布置成照射围绕钻孔的地层16的辐射发射源201; 至少一个放射线检测器211被布置成检测由源201照明产生的地球物体反射的辐射; 至少一个源准直窗202和一个检测器准直窗212，地层被照射并通过其检测辐射; 并且其特征在于，它还包括位于所述内套环表面和所述工具的外表面之间的至少一个辐射屏蔽件30，所述辐射屏蔽件被定位成消除未穿过所述外套环的寄生辐射。

公开(公告)号：US20070145260A1

公开(公告)日：2007-06-28

申请号：US11319581

申请日：2005-12-29

申请人： Larry Frederick ,  Dwight Medley ,  Frederick Glesius

发明人： Larry Frederick ,  Dwight Medley ,  Frederick Glesius

IPC分类号： G01V5/12

CPC分类号： G01T1/202 ,  G01V5/04

摘要： An instrumentation package in broad terms includes at least one substantially cylindrical instrumentation component; a substantially cylindrical shield surrounding the instrumentation component, the shield having a diameter less than a standard predetermined diameter; and a sizing sleeve around the shield, thereby increasing the diameter of the sleeve to the standard predetermined diameter. A nuclear detector package is also disclosed that includes a substantially cylindrical crystal element; a photomultiplier tube arranged coaxially with the crystal element; an optical coupler sandwiched between one end of the crystal element and an adjacent end of the photomultiplier tube; the crystal element, optical coupler and photomultiplier tube hermetically sealed within a cylindrical shield; and a flexible support sleeve extending exteriorly along the crystal element and the photomultiplier tube and radially inside the cylindrical shield.

摘要翻译： 广泛的仪器包装包括至少一个基本上圆柱形的仪表部件; 围绕所述仪器部件的基本上圆柱形的屏蔽件，所述屏蔽件具有小于标准预定直径的直径; 以及围绕屏蔽件的施胶套筒，从而将套筒的直径增加到标准预定直径。 还公开了一种核检测器封装，其包括基本上圆柱形的晶体元件; 与晶体元件同轴布置的光电倍增管; 夹在晶体元件的一端和光电倍增管的相邻端之间的光耦合器; 晶体元件，光耦合器和光电倍增管气密密封在圆柱形屏蔽内; 以及沿着晶体元件和光电倍增管向外延伸并且在圆柱形屏蔽件内部径向地延伸的柔性支撑套筒。

公开(公告)号：US07206376B2

公开(公告)日：2007-04-17

申请号：US10493592

申请日：2002-10-31

申请人： John Barry Fitzgerald

发明人： John Barry Fitzgerald

IPC分类号： G01N23/083 ,  G01V5/12

CPC分类号： G01N23/12 ,  G01N23/06

摘要： A wellbore tool for measuring the density of a fluid flowing in a wellbore by a photon attenuation technique includes a tube defining a flow path for the fluid, a photon source at one end of the tube, and a photon detector arranged to receive photons which have passed along the tube. In a preffered implementation, a source which emits coincident photon pairs, preferably 22Na, is used. In this embodiment, the tube defining the fluid flow path has first and second relatively straight and aligned measurement portions disposed on opposite sides of the photon source, so that each measurement portion receives a respective photon of some of the coincident pairs for transmission longitudinally along it. Respective detectors at the other ends of the measurement portions receive respective ones of the photon pairs. The detected coincident photons are counted, and the density of the fluid is derived from the count rate.

摘要翻译： 用于测量通过光子衰减技术在井眼中流动的流体的密度的井筒工具包括限定流体的流动路径的管，管的一端处的光子源和布置成接收具有 沿着管传。 在优选的实施方案中，使用发射重合光子对的源，优选为Na 2 O。 在该实施例中，限定流体流动路径的管具有设置在光子源的相对侧上的第一和第二相对直的和对准的测量部分，使得每个测量部分接收一些重合对的相应光子，用于沿其纵向传播 。 在测量部分的另一端的各个检测器接收相应的光子对。 对检测到的重合光子进行计数，并从计数率导出流体的密度。

公开(公告)号：US20060254350A1

公开(公告)日：2006-11-16

申请号：US10539465

申请日：2003-11-21

申请人： Peter Wraight

发明人： Peter Wraight

IPC分类号： G01V5/12 ,  E21B47/00 ,  E21B47/10 ,  E21B47/08 ,  E21B49/08

CPC分类号： E21B47/1015 ,  E21B47/0003 ,  E21B47/082

摘要： The invention relates to methods and apparatus for determining downhole mud flow rates and other downhole parameters. A method for determining a downhole parameter includes operating a pulsed neutron generator (6), pulsing the pulsed neutron generator (6) off, detecting a substantially unactivated drilling fluid slug at a known distance (d) from the pulsed neutron generator (6), and determining a time-of-flight (t) for the unactivated drilling fluid slug to travel from the pulsed neutron generator (6) to a detection point.

摘要翻译： 本发明涉及用于确定井下泥浆流量和其它井下参数的方法和装置。 一种用于确定井下参数的方法包括操作脉冲中子发生器（6），使脉冲中子发生器（6）脉冲关闭，在脉冲中子发生器（6）的已知距离（d）处检测基本上未激活的钻井液段， 以及确定未激活的钻井液段从脉冲中子发生器（6）行进到检测点的飞行时间（t）。

公开(公告)号：US20050189483A1

公开(公告)日：2005-09-01

申请号：US11063153

申请日：2005-02-22

申请人： Matthew Sale

发明人： Matthew Sale

IPC分类号： G01V5/12

CPC分类号： G01V5/125

摘要： A logging-while-drilling density sensor includes a gamma ray source and at least two NaI detectors spaced apart from the source for determining measurements indicative of the formation density. A magnetometer on the drill collar measures the relative azimuth of the NaI detectors. Measurements made by the detectors are partitioned into bins defined by azimuth. A compensated bulk density is determined for selected ones of said azimuthal sectors that meet a threshold test related to a minimum difference of measurements or a minimum correction. The method of the invention may also be used with neutron porosity logging devices.

摘要翻译： 钻井测井密度传感器包括伽马射线源和与源间隔开的至少两个NaI检测器，用于确定指示地层密度的测量值。 钻铤上的磁力计测量NaI探测器的相对方位角。 由检测器进行的测量被划分成由方位定义的箱。 确定满足与最小测量差异或最小校正相关的阈值测试的所选方位扇区中的所选的一个的补偿体积密度。 本发明的方法也可以与中子孔隙度测井装置一起使用。