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    Apparatus and Method for Determining Corrected Weight-On-Bit
    22.
    发明申请
    Apparatus and Method for Determining Corrected Weight-On-Bit 有权
    用于确定校正权重的装置和方法

    公开(公告)号：US20100319992A1

    公开(公告)日：2010-12-23

    申请号：US12488357

    申请日：2009-06-19

    申请人： Tu Tien Trinh ,  Eric Sullivan

    发明人： Tu Tien Trinh ,  Eric Sullivan

    IPC分类号： E21B47/00 ,  E21B47/01 ,  E21B47/06 ,  E21B10/00 ,  E21B10/42 ,  G06F19/00

    CPC分类号： E21B44/005

    摘要： In one aspect, a method of determining a corrected weight-on-bit is provided, which method, in one embodiment, may include: drilling a wellbore with the drill bit; determining a weight-on-bit while drilling the wellbore; determining a pressure differential across an effective area of the drill bit while drilling the wellbore; and determining the corrected weight-on-bit from the determined weight-on-bit and the determined pressure differential.

    摘要翻译： 在一个方面，提供了一种确定校正的重量重量的方法，在一个实施例中，该方法可以包括：用钻头钻井井; 在钻井时确定钻头重量; 在钻井时确定穿过钻头的有效区域的压力差; 以及从所确定的重量位和所确定的压力差确定所述校正的重量位。

    Apparatus and method for determining formation density from nuclear density measurements made using sensors at more than one location
    23.
    发明授权
    Apparatus and method for determining formation density from nuclear density measurements made using sensors at more than one location 有权
    用于使用在多于一个位置处的传感器进行的核密度测量来确定地层密度的装置和方法

    公开(公告)号：US08481920B2

    公开(公告)日：2013-07-09

    申请号：US13186086

    申请日：2011-07-19

    申请人： Feyzi Inanc ,  W. Allen Gilchrist ,  Eric Sullivan ,  Tu Tien Trinh ,  Yi Liu

    发明人： Feyzi Inanc ,  W. Allen Gilchrist ,  Eric Sullivan ,  Tu Tien Trinh ,  Yi Liu

    IPC分类号： G01V5/04

    CPC分类号： G01V5/08

    摘要： In one aspect, the present disclosure provides an apparatus for determining formation density. One embodiment of the apparatus includes a bottomhole assembly having a drill bit attached to end thereof for drilling through a formation, a first sensor in the drill bit configured to provide first signals for determining a first density of the formation proximate to the drill, a second sensor distal from the first sensor configured to provide signals for determining density of a second density of the formation, and a processor configured to determine the formation density from the first density and the second density.

    摘要翻译： 一方面，本公开提供了一种用于确定地层密度的装置。 该装置的一个实施例包括井底组件，其具有附接到其端部的钻头以钻穿地层，钻头中的第一传感器被配置为提供用于确定接近钻头的地层的第一密度的第一信号，第二 远离第一传感器的传感器被配置成提供用于确定地层的第二密度的密度的信号，以及处理器，被配置为从第一密度和第二密度确定地层密度。

    Apparatus and Method for Determining Formation Density from Nuclear Density Measurements Made Using Sensors at More Than One Location
    24.
    发明申请
    Apparatus and Method for Determining Formation Density from Nuclear Density Measurements Made Using Sensors at More Than One Location 有权
    用于确定使用多于一个位置的传感器进行的核密度测量的形成密度的装置和方法

    公开(公告)号：US20130020479A1

    公开(公告)日：2013-01-24

    申请号：US13186086

    申请日：2011-07-19

    申请人： Feyzi Inanc ,  W. Allen Gilchrist ,  Eric Sullivan ,  Tu Tien Trinh ,  Yi Liu

    发明人： Feyzi Inanc ,  W. Allen Gilchrist ,  Eric Sullivan ,  Tu Tien Trinh ,  Yi Liu

    IPC分类号： G01V5/04

    CPC分类号： G01V5/08

    摘要： In one aspect, the present disclosure provides an apparatus for determining formation density. One embodiment of the apparatus includes a bottomhole assembly having a drill bit attached to end thereof for drilling through a formation, a first sensor in the drill bit configured to provide first signals for determining a first density of the formation proximate to the drill, a second sensor distal from the first sensor configured to provide signals for determining density of a second density of the formation, and a processor configured to determine the formation density from the first density and the second density.

    摘要翻译： 一方面，本公开提供了一种用于确定地层密度的装置。 该装置的一个实施例包括井底组件，其具有附接到其端部的钻头以钻穿地层，钻头中的第一传感器被配置为提供用于确定接近钻头的地层的第一密度的第一信号，第二 远离第一传感器的传感器被配置成提供用于确定地层的第二密度的密度的信号，以及处理器，被配置为从第一密度和第二密度确定地层密度。

    METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL COMPONENTS AND DETERMINING FITNESS-FOR-USE OF THE SAME
    26.
    发明申请
    METHOD FOR NON-DESTRUCTIVELY EVALUATING ROTARY EARTH BORING DRILL COMPONENTS AND DETERMINING FITNESS-FOR-USE OF THE SAME 审中-公开
    非破坏性评估旋转地球钻孔组件的方法和确定其适用性的方法

    公开(公告)号：US20100329081A1

    公开(公告)日：2010-12-30

    申请号：US12492705

    申请日：2009-06-26

    申请人： Eric Sullivan ,  David Curry ,  Xiamin Cheng ,  Tu Tien Trinh ,  Terry Watts ,  John F. Bradford ,  Aaron J. Dick ,  Chih Lin

    发明人： Eric Sullivan ,  David Curry ,  Xiamin Cheng ,  Tu Tien Trinh ,  Terry Watts ,  John F. Bradford ,  Aaron J. Dick ,  Chih Lin

    IPC分类号： G01S3/80 ,  E21B10/36

    CPC分类号： E21B10/00 ,  E21B47/14 ,  G01N29/043 ,  G01N29/262 ,  G01N29/265 ,  G01N2291/0258 ,  G01N2291/044 ,  G01N2291/2693

    摘要： A method of non-destructively identifying and characterizing defects in a rotary drill component is provided. The method includes providing a drill component and an ultrasonic test system including a phased array ultrasonic transducer (PAUT). The method also includes acoustically coupling the PAUT to a surface location, transmitting focused ultrasonic acoustic waves at the location into the PAUT and recording a reflected acoustic response corresponding to a portion of a predetermined volume of a microstructure of the component associated with the location on the surface. The method also includes storing the response and moving one of the transducer or the component to a plurality of unique locations representative of the predetermined microstructure and repeating these steps. The method also includes processing the responses and providing an output signal to an output device configured to provide an output indicative of differences in the output signal within the predetermined volume of the microstructure.

    摘要翻译： 提供了一种非破坏性地识别和表征旋转钻头部件中的缺陷的方法。 该方法包括提供钻组件和包括相控阵超声波换能器（PAUT）的超声波测试系统。 该方法还包括将PAUT声学耦合到表面位置，在该位置处将聚焦的超声波波传输到PAUT中，并且记录对应于与该位置相关联的组件的预定体积的微结构的一部分的反射声响应 表面。 该方法还包括存储响应并将换能器或组件之一移动到表示预定微结构的多个独特位置，并重复这些步骤。 该方法还包括处理响应并向输出装置提供输出信号，输出装置被配置成提供指示微结构的预定体积内的输出信号的差异的输出。

    Bit Based Formation Evaluation Using A Gamma Ray Sensor
    27.
    发明申请
    Bit Based Formation Evaluation Using A Gamma Ray Sensor 有权
    使用γ射线传感器的位基形成评估

    公开(公告)号：US20100089645A1

    公开(公告)日：2010-04-15

    申请号：US12250072

    申请日：2008-10-13

    申请人： Tu Tien Trinh ,  Eric Sullivan ,  David A. Curry

    发明人： Tu Tien Trinh ,  Eric Sullivan ,  David A. Curry

    IPC分类号： E21B49/00 ,  E21B10/00 ,  B23P11/00

    CPC分类号： E21B10/00 ,  E21B7/04 ,  E21B44/00 ,  E21B47/024 ,  E21B49/00 ,  G01V5/06 ,  Y10T29/49826

    摘要： A drill bit made according to one embodiment includes at least a gamma ray sensor configured to provide signals representative of a presence and/or amount of a naturally occurring gamma ray source when the drill bit is used for cutting into a formation. A circuit may be configured to process signals from the gamma ray sensor to provide an estimate a parameter relating to the naturally occurring gamma ray source, which may used for purposes such as optimizing drilling parameters and geosteering.

    摘要翻译： 根据一个实施例制造的钻头至少包括伽马射线传感器，其被配置为当钻头用于切割成地层时提供表示天然存在的伽马射线源的存在和/或数量的信号。 电路可以被配置为处理来自伽马射线传感器的信号以提供与天然存在的伽马射线源相关的参数的估计，其可以用于例如优化钻井参数和地理转向。

    Apparatus and methods for corrosion protection of downhole tools
    29.
    发明授权
    Apparatus and methods for corrosion protection of downhole tools 有权
    井下工具防腐蚀装置及方法

    公开(公告)号：US08887832B2

    公开(公告)日：2014-11-18

    申请号：US13157979

    申请日：2011-06-10

    申请人： Tu Tien Trinh ,  Eric Sullivan

    发明人： Tu Tien Trinh ,  Eric Sullivan

    IPC分类号： E21B47/18 ,  E21B10/00 ,  E21B41/02 ,  E21B10/08 ,  E21B17/00

    CPC分类号： E21B41/02 ,  E21B10/00 ,  E21B10/08 ,  E21B17/003 ,  Y10S166/902

    摘要： In one aspect, an apparatus for use in a wellbore is provided that in one embodiment includes a drill bit having a bit body that is susceptible to corrosion when the drill bit is utilized in wellbore, an anode placed at a selected location on the bit body, a cathode associated with the bit body and a power source configured to provide electrical power to the anode to complete an electrical circuit between the anode and the bit body, wherein the supply of the electrical power to the anode arrests corrosion of the bit body when the drill bit is in the wellbore.

    摘要翻译： 在一个方面，提供一种在井眼中使用的装置，其在一个实施例中包括钻头，当钻头用于井眼时，该钻头具有易受腐蚀的钻头体，位于钻头体上的选定位置的阳极 ，与所述钻头体相关联的阴极和被配置为向所述阳极提供电功率以完成所述阳极和所述钻头体之间的电路的电源，其中所述阳极和所述钻头体的电力供应将阻止所述钻头体的腐蚀， 钻头位于井眼中。

    Apparatus and Method for Drilling Wellbores Based on Mechanical Specific Energy Determined from Bit-Based Weight and Torque Sensors
    30.
    发明申请
    Apparatus and Method for Drilling Wellbores Based on Mechanical Specific Energy Determined from Bit-Based Weight and Torque Sensors 有权
    基于基于位的重量和扭矩传感器确定的机械比能的钻井孔的装置和方法

    公开(公告)号：US20120279783A1

    公开(公告)日：2012-11-08

    申请号：US13454359

    申请日：2012-04-24

    申请人： Tu Tien Trinh ,  Eric Sullivan ,  Lane E. Snell

    发明人： Tu Tien Trinh ,  Eric Sullivan ,  Lane E. Snell

    IPC分类号： E21B7/04 ,  E21B47/024

    CPC分类号： E21B45/00

    摘要： The disclosure, in one aspect, provides a method of drilling a wellbore that includes features of drilling the wellbore using a drilling assembly that includes a drill bit that further includes a weight sensor and a torque sensor, determining weight-on-bit using measurements from the weight sensor and torque-on-bit using measurement from the torque sensor during drilling of the wellbore, obtaining measurements for rotational speed of the drill bit and rate of penetration of the drill bit during drilling of the wellbore, determining mechanical specific energy of the bottomhole assembly using the determined weight-on-bit, torque-on-bit and obtained rotational speed of the drill bit and the obtained rate of penetration of the drill bit, and altering a drilling a parameter in response to the determined mechanical specific energy.

    摘要翻译： 在一个方面，本公开提供了一种钻井井的方法，其包括使用钻井组件钻井的特征，所述钻井组件包括钻头，该钻头组件还包括重量传感器和扭矩传感器，使用来自 重量传感器和钻头上的扭矩传感器在钻井期间使用来自扭矩传感器的测量，在钻井期间获得钻头的旋转速度和钻头的穿透速率的测量，确定钻井中的机械比能 使用所确定的钻头重量，钻头转矩和获得的钻头转速以及所获得的钻头的穿透速率，以及响应于所确定的机械比能而改变钻孔参数。