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1.发明授权Method and apparatus for remote actuation of a downhole device using a resonant chamber 失效使用谐振室远程致动井下装置的方法和装置公开(公告)号：US06172614B2
公开(公告)日：2001-01-09
申请号：US09114456
申请日：1998-07-13
IPC分类号： G01V300
CPC分类号： E21B23/06 , E21B47/18 , E21B47/182
摘要： The method of remotely actuating a downhole device provides the initiation of an acoustic signal. The acoustic signal is amplified within a resonance chamber and is transmitted down a fluid column in the tubing string or in the annulus around the tubing string. The signal can be coded to allow activation of multiple downhole devices. The use of a resonance chamber allows for the amplification of the actuation signal to ensure that a downhole receiver can detect it. The receiver can be either a transducer or a hydrophone. The apparatus and method allow for remote actuation without the need for intervention into the well.
摘要翻译： 遥控启动井下装置的方法提供了声信号的启动。 声信号在共振室内被放大，并且沿着油管柱中的流体柱或在管柱周围的环中向下传播。 该信号可被编码以允许激活多个井下装置。 使用共振室允许放大致动信号，以确保井下接收器能够检测到它。 接收器可以是换能器或水听器。 该装置和方法允许远程致动而不需要干涉井。
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公开(公告)号：US06370082B1
公开(公告)日：2002-04-09
申请号：US09332641
申请日：1999-06-14
IPC分类号： G01V140
CPC分类号： E21B47/16
摘要： An acoustic telemetry system is disclosed that reduces any through-drillstring drilling noise which contaminates a through-drillstring telemetry signal. Normal filtering operations are provided to remove noise outside the frequency band of interest, and reference signal filtering operations are provided to reduce the in-band noise, thereby enhancing the telemetry system's data rate and reliability. In one embodiment, the acoustic telemetry system includes a transmitter and a receiver. The transmitter induces an acoustic information signal that propagates along the tubing string. Existing noise in the tubing string contaminates the information signal. The receiver is provided with sensors for measuring the corrupted information signal and a reference signal that is indicative of the noise present in the measured information signal. The receiver uses a filter to convert the reference signal into an estimate of the information signal corruption, and a summing element to subtract the estimate from the reference signal to produce an information signal with reduced corruption. In a preferred embodiment, the information signal is propagated in an axial transmission mode, and the noise in the torsional mode is used as the reference signal for reducing noise the information signal picks up in the axial mode.
摘要翻译： 公开了一种声学遥测系统，其减少了污染通过钻柱遥测信号的任何穿钻钻井噪声。 提供正常滤波操作以去除感兴趣频带外的噪声，并提供参考信号滤波操作以减少带内噪声，从而提高遥测系统的数据速率和可靠性。 在一个实施例中，声学遥测系统包括发射器和接收器。 发射器引起沿着管柱传播的声信息信号。 油管柱中的现有噪声会污染信息信号。 接收器设置有用于测量损坏的信息信号的传感器和指示所测量的信息信号中存在的噪声的参考信号。 接收机使用滤波器将参考信号转换为信息信号损坏的估计，以及相加元件，以从参考信号中减去估计，以产生具有减少的损坏的信息信号。 在优选实施例中，信息信号以轴向传播模式传播，并且扭转模式中的噪声被用作用于降低信息信号以轴向模式拾取的噪声的参考信号。
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3.发明授权公开(公告)号：US06580751B1
公开(公告)日：2003-06-17
申请号：US09496077
申请日：2000-02-01
申请人： Wallace R. Gardner , John W. Minear
发明人： Wallace R. Gardner , John W. Minear
IPC分类号： H04B138
CPC分类号： G01V1/22 , G01V11/002 , H04L27/2601
摘要： A method and related apparatus for high speed digital data conmunications from multiple distributed modems to a single central modem or a common transmission medium. In one embodiment, multiple downhole modems, with each modem associated with a geophone, transmit data to a surface modem over a single transmission medium. In a second embodiment, multiple transmission mediums are used and a plurality of downhole modems associated with geophones communicate to the surface modem over the downhole modem's respective transmission medium.
摘要翻译： 一种用于从多个分布式调制解调器到单个中央调制解调器或公共传输介质的高速数字数据通信的方法和相关装置。 在一个实施例中，具有与地震检波器相关联的每个调制解调器的多个井下调制解调器通过单个传输介质将数据发送到表面调制解调器。 在第二实施例中，使用多个传输介质，并且与地震检波器相关联的多个井下调制解调器通过井下调制解调器的相应传输介质与地面调制解调器通信。
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公开(公告)号：US6137747A
公开(公告)日：2000-10-24
申请号：US87220
申请日：1998-05-29
申请人： Vimal V. Shah , James R. Birchak , John W. Minear , Wallace R. Gardner , Donald Kyle , John R. Dennis , Kenny McConnell , George S. Reagan , Rebecca McConnell
发明人： Vimal V. Shah , James R. Birchak , John W. Minear , Wallace R. Gardner , Donald Kyle , John R. Dennis , Kenny McConnell , George S. Reagan , Rebecca McConnell
CPC分类号： G01V11/002 , B06B1/0611
摘要： The invention is an acoustic transmitter that imparts vibratory stresses onto a signal propagation medium such as oil well tubing when actuated by an electric driver. In one embodiment, the acoustic transmitter utilizes a mechanical driver that includes piezoelectric elements to generate the vibratory stresses. The acoustic transmitter is mechanically attached at only one point to the signal propagation medium. This single point attachment eliminates loading on the acoustic transmitter from compressive and tensile forces carried by the signal propagation medium. A mass backing the mechanical driver may be used to extend the frequency range over which the acoustic transmitter is operable. In addition, the resonance response of the acoustic transmitter may be minimized by the use of a viscous dampener. The viscous dampener is configured to "couple" with the mechanical driver when the acoustic transmitter is operating and to "uncouple" with the mechanical driver at other times.
摘要翻译： 本发明是一种在由电动驱动器致动时将振动应力施加到诸如油井管道之类的信号传播介质上的声发射器。 在一个实施例中，声发射器利用包括压电元件的机械驱动器来产生振动应力。 声发射机仅在一个点处机械连接到信号传播介质。 这种单点附件消除了声发射器上由信号传播介质承载的压缩和拉伸力的负担。 可以使用机械驱动器的质量来扩展声发射器可操作的频率范围。 此外，通过使用粘性阻尼器可以使声发射器的共振响应最小化。 粘性阻尼器被配置为当声发射器操作时与机械驱动器“耦合”，并且在其它时间与机械驱动器“脱离”。
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公开(公告)号：US06400646B1
公开(公告)日：2002-06-04
申请号：US09457996
申请日：1999-12-09
申请人： Vimal V. Shah , John W. Minear , Robert Malloy , James R. Birchak , Wallace R. Gardner , Carl Robbins
发明人： Vimal V. Shah , John W. Minear , Robert Malloy , James R. Birchak , Wallace R. Gardner , Carl Robbins
IPC分类号： H04H900
摘要： A system is disclosed for synchronizing a clock in a well containing a drill string with a clock located near the surface of the well. The system includes devices for transmitting and receiving a pair of acoustic signals between locations associated with each clock and processing those signals. The system determines the time of arrival of each acoustic signal by analyzing the shape of a function of the acoustic signal chosen from a group of functions suitable to determine a clock offset with millisecond accuracy.
摘要翻译： 公开了一种用于使包含钻柱的井中的时钟与位于井的表面附近的时钟同步的系统。 该系统包括用于在与每个时钟相关联的位置之间发送和接收一对声信号并处理这些信号的装置。 系统通过分析从适合于以毫秒精度确定时钟偏移的一组函数中选择的声信号的函数的形状来确定每个声信号的到达时间。
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公开(公告)号：US4947683A
公开(公告)日：1990-08-14
申请号：US389134
申请日：1989-08-03
申请人： John W. Minear , Randy Gold
发明人： John W. Minear , Randy Gold
CPC分类号： E21B47/101 , G01F1/663 , G01P5/244
摘要： A measuring device for use in a producing well is set forth. It includes a sonde having upper and lower centralizers to define an annular flow space therearound. In the preferred embodiment, a motor driven sensor preferably a piezoelectric combination transmitter and receiver is, included to transmit and then receive ultrasonic pulses. They are transmitted downwardly from the housing into fluid flowing in the well. Reflective interfaces are defined by material differences. Gas bubbles droplets and particles in the fluid flow and phases between oil and water, etc. form reflective interfaces to create a scattering effect to transmitted ultrasonic pulses so that a return pulse is formed. The pulses encodes fluid flow velocity as a result of the Doppler shift.
摘要翻译： 阐述了一种用于生产井的测量装置。 它包括具有上和下扶正器的探空器，以在其周围限定环形流动空间。 在优选实施例中，包括用于传送并接收超声波脉冲的电机驱动传感器，优选地是压电组合发射器和接收器。 它们从壳体向下传送到在井中流动的流体。 反射界面由物质差异定义。 气泡中的液滴和颗粒以及油和水之间的相位等形成反射界面，以对传输的超声波脉冲产生散射效应，从而形成返回脉冲。 脉冲编码作为多普勒频移的结果的流体流速。
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7.发明授权Transducer forming compression and shear waves for use in acoustic well logging 失效用于声学测井的传感器形成压缩和剪切波
公开(公告)号：US4700803A
公开(公告)日：1987-10-20
申请号：US912283
申请日：1986-09-29
申请人： A. J. Mallett , John W. Minear
发明人： A. J. Mallett , John W. Minear
CPC分类号： G01V1/52 , B06B1/08 , Y10S181/402 , Y10S367/912
摘要： For use in acoustic logging, an acoustic wave transducer system forming both compression and shear waves is disclosed, the system having the preferred form of a plurality of radially directed magnetostrictive expansion means, being N in number, each having a transducer plate affixed to the outer end thereof and further including means for providing a current to a coil wound thereabout forming flux initiating magnetostrictive expansion and contraction to form compression or shear waves.
摘要翻译： 为了在声学测井中使用，公开了形成压缩和剪切波的声波换能器系统，该系统具有多个径向磁致伸缩装置的优选形式，数量为N，每个具有固定到外部的换能器板 并且还包括用于向缠绕在其上的线圈提供电流的装置，其形成磁通引发磁致伸缩膨胀和收缩以形成压缩或剪切波。
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公开(公告)号：US6026913A
公开(公告)日：2000-02-22
申请号：US940352
申请日：1997-09-30
IPC分类号： E21B47/022 , E21B47/02
CPC分类号： E21B47/02208
摘要： The invention is a device and related method of finding from at least one receiver the location of a source of a transmitted acoustic signal. Both signal source and signal receiver are downhole. The invention uses either or both the triangulation method and the holographic method to determine signal location.The triangulation technique uses the relationships existing in Pythagorean's theorem to find source location. In contrast, the holographic technique uses a known velocity structure to assign propagation velocities to volume cells surrounding the receiver. By variational calculus, a ray path and start time may be assigned to a hypothetical source location for a particular receiver position. This is repeated for each receiver position. Where the hypothetical source locations and start times match for multiple receiver locations, the likely position of a source has been found.
摘要翻译： 本发明是从至少一个接收机发现所发送的声信号的源的位置的装置和相关方法。 信号源和信号接收器都是井下的。 本发明使用三角测量方法和全息方法中的一个或两者来确定信号位置。 三角测量技术使用毕达哥拉斯定理中存在的关系找到源位置。 相比之下，全息技术使用已知的速度结构来将传播速度分配给接收器周围的体积单元。 通过变分微积分，射线路径和开始时间可被分配给特定接收器位置的假想源位置。 对于每个接收器位置重复这一点。 假设源位置和起始时间与多个接收器位置匹配的情况下，可以找到源的可能位置。
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公开(公告)号：US5841734A
公开(公告)日：1998-11-24
申请号：US870116
申请日：1997-06-05
申请人： Thomas E. Ritter , James Robert Birchak , James W. Stroud , Mack H. Brown , James E. Masino , John W. Minear
发明人： Thomas E. Ritter , James Robert Birchak , James W. Stroud , Mack H. Brown , James E. Masino , John W. Minear
CPC分类号： G01V1/52 , E21B47/0005 , Y10S367/911 , Y10S367/912
摘要： An apparatus for logging a borehole comprises a non-rotating component and a rotating component that is flexibly attached to the non-rotating component and includes a logging head. The rotating component is centralized independently from the non-rotating component such that the rotating component remains centralized as it rotates, regardless of whether the non-rotating component is centralized. The logging head includes at least one signaling device, a hydrostatic pressure balancing system, a sealed, variable-volume fluid reservoir in fluid communication with said transducer, and a motor housed in said logging head for rotating the rotating component. The apparatus can further include a second non-rotating component suspended below the rotating component.
摘要翻译： 用于记录井眼的装置包括非旋转部件和旋转部件，其被柔性地附接到非旋转部件并且包括测井头。 旋转部件独立于非旋转部件集中，使得旋转部件随着其旋转而保持集中，而不管非旋转部件是否集中。 记录头包括至少一个信号装置，静水压力平衡系统，与所述换能器流体连通的密封可变容积流体储存器，以及容纳在所述测井头中用于旋转旋转部件的马达。 该装置还可包括悬挂在旋转部件下方的第二非旋转部件。
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公开(公告)号：US4869349A
公开(公告)日：1989-09-26
申请号：US266717
申请日：1988-11-03
申请人： John W. Minear , David C. Rathmann
发明人： John W. Minear , David C. Rathmann
CPC分类号： G10K9/121 , G01V1/145 , Y10S367/912
摘要： A flexcompressional acoustic transducer is set forth. In the preferred and illustrated embodiment, multiple parallel magnetostrictive rods provided with coils are coupled through a plate affixed to a radiating element. The radiating element in one embodiment is an elongate hollow cylinder which is closed at both ends. Vibrations from the magnetostrictive members cause the cylinder to radially flex, creating an omnidirectional acoustic wave transmitted radially outwardly, the apparatus being positioned in a sonde for connecting an acoustic wave front through the wall of the sonde for transmission into the surrounding wellbore fluids and the adjacent formations.
摘要翻译： 提出了一种柔性压缩声换能器。 在优选和示出的实施例中，设置有线圈的多个平行磁致伸缩杆通过固定到辐射元件的板耦合。 在一个实施例中的辐射元件是在两端封闭的细长的中空圆筒。 来自磁致伸缩构件的振动导致气缸径向弯曲，产生径向向外传播的全向声波，该设备被定位在探空仪中，用于将声波前端连接到探空仪的壁上，以便传播到周围的井筒流体和相邻 地层。
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