Single Sensor for Detecting Neutrons and Gamma Rays
    1.
    发明申请
    Single Sensor for Detecting Neutrons and Gamma Rays 审中-公开
    用于检测中子和伽玛射线的单个传感器

    公开(公告)号:US20150226875A1

    公开(公告)日:2015-08-13

    申请号:US14179057

    申请日:2014-02-12

    CPC分类号: G01V5/145 G01V5/104

    摘要: A logging system for imaging a subterranean formation that includes radiation sources that emit different energy levels of radiation into the formation. The radiation scatters from the formation and is sensed by a single sensor that is responsive to the different energy levels of radiation. The single sensor includes a crystal which includes cesium, lithium, yttrium, cerium, and chlorine. The radiation sources emit neutron rays and gamma rays.

    摘要翻译: 用于对地下地层进行成像的测井系统,其包括向地层中发射不同能量辐射能量的辐射源。 辐射从地层中散射并由对辐射的不同能级响应的单个传感器感测到。 单个传感器包括包括铯,锂,钇,铈和氯的晶体。 辐射源发射中子射线和伽马射线。

    METHOD FOR DETECTING FRACTURES AND PERFORATIONS IN A SUBTERRANEAN FORMATION
    2.
    发明申请
    METHOD FOR DETECTING FRACTURES AND PERFORATIONS IN A SUBTERRANEAN FORMATION 有权
    用于检测下层形成中的裂缝和性能的方法

    公开(公告)号:US20130043381A1

    公开(公告)日:2013-02-21

    申请号:US13645248

    申请日:2012-10-04

    IPC分类号: G01V5/08

    摘要: Fractures at a wellbore wall and in a region surrounding a wellbore wall can be detected by monitoring gamma rays scattered from the fractures. Gamma rays are strategically directed from a tool disposed within the wellbore and to the wall and/or the region. Some of the gamma rays scatter from the fractures and are detected with detectors set a designated axial distance from the gamma ray source. In addition to identifying the presence of the fractures, the location and size of the fractures is also estimated. Based on the location and disposition of the fractures, perforations are formed in the formation to provide communication between the fractures and the wellbore.

    摘要翻译: 可以通过监测从裂缝散射的γ射线来检测在井筒壁和井壁周围的区域中的裂缝。 伽马射线从设置在井眼内的工具和壁和/或区域战略性地引导。 一些伽马射线从裂缝中散射,并用检测器设置与伽马射线源的指定轴向距离来检测。 除了确定骨折的存在之外,还估计了骨折的位置和大小。 基于裂缝的位置和位置,在地层中形成穿孔以提供裂缝与井眼之间的连通。

    RETENTION OF ELECTRICAL SPRING CONTACTS FOR WET CONNECTION OF DOWN-HOLE TOOL COMPONENTS
    3.
    发明申请
    RETENTION OF ELECTRICAL SPRING CONTACTS FOR WET CONNECTION OF DOWN-HOLE TOOL COMPONENTS 审中-公开
    电气弹簧联轴器保持下部工具组件的湿连接

    公开(公告)号:US20160359252A1

    公开(公告)日:2016-12-08

    申请号:US15117316

    申请日:2015-02-12

    发明人: Khanh Anh DUONG

    IPC分类号: H01R13/17 H01R13/52 E21B17/02

    摘要: A wet connect apparatus operable in a down-hole environment includes an annular electrical contact, which includes a resilient outer member constructed of coiled spring having its ends fused together, and also includes an inner retention member constructed of a gift ring embedded or installed within the resilient outer member. The inner retention member provides a radial bias to retain the annular electrical contact within an electrically conductive groove during installation and assembly of the wet connect apparatus.

    摘要翻译: 在井下环境中可操作的湿连接装置包括环形电接触件,其包括由其端部熔合在一起的螺旋弹簧构成的弹性外部构件,并且还包括内部保持构件,该内部保持构件由嵌入或安装在 弹性外部构件。 内部保持构件提供径向偏压,以在湿连接装置的安装和组装期间将环形电接触保持在导电凹槽内。

    SIMPLIFIED MEASUREMENT OF BOREHOLE FLUID RESISTIVITY
    4.
    发明申请
    SIMPLIFIED MEASUREMENT OF BOREHOLE FLUID RESISTIVITY 审中-公开
    井底流体电阻的简化测量

    公开(公告)号:US20150136385A1

    公开(公告)日:2015-05-21

    申请号:US14081882

    申请日:2013-11-15

    IPC分类号: E21B47/01 E21B47/00

    摘要: A well logging system that includes a tool which is deployed within the well. The tool has a housing in which imaging hardware is stored, and on which sensors are located, where the sensors detect and measure electrical signals that have been induced in the formation surrounding the well. A wiper system is also mounted on the housing for clearing mud and other debris from outer surfaces of the sensors.

    摘要翻译: 一种测井系统,包括部署在井内的工具。 该工具具有存储成像硬件以及哪些传感器所在的壳体,其中传感器检测并测量在围绕井的地层中感应的电信号。 刮水器系统也安装在壳体上,用于从传感器的外表面清除泥浆和其他碎屑。

    Method for Evaluating Voids in a Subterranean Formation
    5.
    发明申请
    Method for Evaluating Voids in a Subterranean Formation 审中-公开
    评估地层中空隙的方法

    公开(公告)号:US20140291500A1

    公开(公告)日:2014-10-02

    申请号:US14305677

    申请日:2014-06-16

    IPC分类号: E21B47/00

    CPC分类号: E21B43/26 E21B43/04 G01V5/125

    摘要: Voids adjacent a wellbore wall and in a region surrounding a wellbore wall can be detected by monitoring gamma rays scattered from the fractures. Gamma rays are strategically directed from a tool disposed within the wellbore and to the wall and/or the region. Some of the gamma rays scatter from the voids and are detected with detectors set a designated axial distance from the gamma ray source. In addition to identifying the presence of the voids, the location and size of the fractures/perforations is also estimated. Time lapsed imaging of the wellbore wall can yield changes in the voids that in turn can affect permeability of the well. Examples of the voids include fractures and/or perforations.

    摘要翻译: 可以通过监测从裂缝散射的伽马射线来检测邻近井眼壁和围绕井壁的区域中的空隙。 伽马射线从设置在井眼内的工具和壁和/或区域战略性地引导。 一些伽马射线从空隙散射,并用与伽马射线源设定的指定轴距的探测器进行检测。 除了确定空隙的存在之外,还估计了断裂/穿孔的位置和尺寸。 井眼壁的时间经过成像可以产生空隙的变化,这又可以影响井的渗透性。 空隙的实例包括断裂和/或穿孔。

    Acoustic isolater for a downhole tool
    6.
    发明授权
    Acoustic isolater for a downhole tool 有权
    用于井下工具的隔声器

    公开(公告)号:US09448320B2

    公开(公告)日:2016-09-20

    申请号:US14092170

    申请日:2013-11-27

    IPC分类号: G01V1/44 G01V1/52

    CPC分类号: G01V1/44 G01V1/523

    摘要: A downhole tool for acoustically imaging a subterranean formation having a transmitter and receiver and which includes an acoustic isolator between the transmitter and receiver. The acoustic isolator includes attenuation elements with rounded ends and that are connected in series by compression fittings. The compression fittings include sleeves that threadingly engage lock nuts and compressively engage the rounded ends. The contact interfaces between the compression fittings extend along a curved path thereby limiting acoustic transmission along the series of attenuation elements.

    摘要翻译: 一种用于对具有发射器和接收器的地下地层进行声学成像并包括发射器和接收器之间的声隔离器的井下工具。 声隔离器包括具有圆形端部的衰减元件,并且通过压缩配件串联连接。 压缩配件包括螺纹接合锁定螺母并压缩地接合圆形端部的套筒。 压缩配件之间的接触界面沿弯曲路径延伸,从而限制沿着一系列衰减元件的声传播。

    Acoustic Isolater for a Downhole Tool
    7.
    发明申请
    Acoustic Isolater for a Downhole Tool 有权
    用于井下工具的声学隔离器

    公开(公告)号:US20150146501A1

    公开(公告)日:2015-05-28

    申请号:US14092170

    申请日:2013-11-27

    IPC分类号: G01V1/44

    CPC分类号: G01V1/44 G01V1/523

    摘要: A downhole tool for acoustically imaging a subterranean formation having a transmitter and receiver and which includes an acoustic isolator between the transmitter and receiver. The acoustic isolator includes attenuation elements with rounded ends and that are connected in series by compression fittings. The compression fittings include sleeves that threadingly engage lock nuts and compressively engage the rounded ends. The contact interfaces between the compression fittings extend along a curved path thereby limiting acoustic transmission along the series of attenuation elements.

    摘要翻译: 一种用于对具有发射器和接收器的地下地层进行声学成像并包括发射器和接收器之间的声隔离器的井下工具。 声隔离器包括具有圆形端部的衰减元件,并且通过压缩配件串联连接。 压缩配件包括螺纹接合锁紧螺母并压缩地接合圆形端部的套筒。 压缩配件之间的接触界面沿弯曲路径延伸,从而限制了沿着一系列衰减元件的声传播。

    DOWNHOLE WIRELINE TENSION MEASUREMENT
    8.
    发明申请
    DOWNHOLE WIRELINE TENSION MEASUREMENT 审中-公开
    卧式线束张力测量

    公开(公告)号:US20150027736A1

    公开(公告)日:2015-01-29

    申请号:US14145251

    申请日:2013-12-31

    IPC分类号: E21B19/08

    CPC分类号: E21B47/0006

    摘要: A downhole string and method of operating where tension in the downhole string is monitored real time so that the tension in the downhole string does not exceed its yield strength. Included with the string is a tension sub for monitoring the tension that includes a sensor in the housing of the tension sub. The sensor can be a strain gauge and can be placed proximate an upper end of the downhole string so that tension in a wireline attached to the string can also be monitored. The portion of the housing having the sensor is narrowed for enhancing sensitivity of monitoring.

    摘要翻译: 实时监控井下柱中的张力的井下柱和操作方法,使得井下柱中的张力不超过其屈服强度。 包括在弦中的是用于监测张力的张力子,其中张力包括在张力子的壳体中的传感器。 传感器可以是应变计,并且可以放置在靠近井下柱的上端,使得也可以监视连接到弦的电缆中的张力。 具有传感器的壳体的部分变窄以增强监控灵敏度。

    Method for detecting fractures and perforations in a subterranean formation
    9.
    发明授权
    Method for detecting fractures and perforations in a subterranean formation 有权
    用于检测地层中裂缝和穿孔的方法

    公开(公告)号:US08754362B2

    公开(公告)日:2014-06-17

    申请号:US13645248

    申请日:2012-10-04

    IPC分类号: G01V5/08

    摘要: Fractures at a wellbore wall and in a region surrounding a wellbore wall can be detected by monitoring gamma rays scattered from the fractures. Gamma rays are strategically directed from a tool disposed within the wellbore and to the wall and/or the region. Some of the gamma rays scatter from the fractures and are detected with detectors set a designated axial distance from the gamma ray source. In addition to identifying the presence of the fractures, the location and size of the fractures is also estimated. Based on the location and disposition of the fractures, perforations are formed in the formation to provide communication between the fractures and the wellbore.

    摘要翻译: 可以通过监测从裂缝散射的γ射线来检测在井筒壁和井壁周围的区域中的裂缝。 伽马射线从设置在井眼内的工具和壁和/或区域战略性地引导。 一些伽马射线从裂缝中散射,并用检测器设置与伽马射线源的指定轴向距离来检测。 除了确定骨折的存在之外,还估计了骨折的位置和大小。 基于裂缝的位置和位置,在地层中形成穿孔以提供裂缝与井眼之间的连通。