公开(公告)号：US5886303A

公开(公告)日：1999-03-23

申请号：US954508

申请日：1997-10-20

申请人： Paul F. Rodney

发明人： Paul F. Rodney

IPC分类号： G01V1/46 ,  G01V1/40

CPC分类号： G01V1/46

摘要： An apparatus and method are disclosed for eliminating a noise signal from at least one source during an acoustic measurement of a subsurface geological formation or borehole. The apparatus includes a longitudinal body for positioning in the borehole and a transmitter supported by the body for transmitting acoustic signals into the formation and borehole. A sensor, substantially isolated within the body, is used to detect one or more noise signals and a receiver is carried by the body for receiving acoustic signals traversing the formation and borehole, and for receiving one or more noise signals. A processor is connected to the sensor and receiver for processing the acoustic signals and noise signals coupled from the receiver and the noise signal coupled from the sensor into a preferred formation or borehole signal by determining the noise signal received at the receiver using the noise signal received in the sensor and a propagation factor for the noise signal between the sensor and receiver. The determined noise signal is used to identify and eliminate the noise signals from the acoustic signals traversing the formation and borehole.

摘要翻译： 公开了用于在地下地质构造或钻孔的声学测量期间消除来自至少一个源的噪声信号的装置和方法。 该装置包括用于定位在钻孔中的纵向主体和由主体支撑的发射器，用于将声信号传送到地层和钻孔中。 基本上在体内隔离的传感器用于检测一个或多个噪声信号，并且接收器由身体承载以接收穿过地层和钻孔的声信号，并用于接收一个或多个噪声信号。 处理器连接到传感器和接收器，用于通过使用接收到的噪声信号来确定在接收机处接收到的噪声信号，来处理从接收器耦合的声信号和噪声信号从传感器耦合到优选的地层或井眼信号 在传感器和传感器和接收器之间的噪声信号的传播因子。 确定的噪声信号用于识别和消除穿过地层和钻孔的声信号的噪声信号。

公开(公告)号：US5806194A

公开(公告)日：1998-09-15

申请号：US781675

申请日：1997-01-10

申请人： Paul F. Rodney ,  Anne Holmes ,  Gordon M. Shiells

发明人： Paul F. Rodney ,  Anne Holmes ,  Gordon M. Shiells

IPC分类号： E21B47/022 ,  G01V3/26 ,  E21B47/02

CPC分类号： E21B47/022 ,  G01V3/26

摘要： A method is disclosed for correcting for the distorting effect of cross-axial magnetic interference on the readings of a well survey tool using a reduced number of measurements and measuring locations. A well survey tool connected to a drill string assembly measures the gravitational and distorted terrestrial magnetic fields at two or more axially displaced locations in an axially extending well bore. The measurements are made from two or more different orientations (tool faces) of the tool about the well axis. Initial values for the tool inclination, azimuth and tool face angle are first determined without correction for the cross-axial magnetic interference introduced by the drill string assembly and the survey tool. Measurements made at each location and tool face are referred to the toots coordinate system and variations introduced by the different tool face angles are used to estimate the cross-axial interference. The estimated interference is used to improve the estimate of the azimuth. Where the azimuth and inclination vary between measurement, the process is iterated until a desired degree of convergence is reached or until no further improvement in the azimuth is possible. Where azimuth and inclination remain substantially constant between readings, the azimuth correction is directly calculated without iteration. Where the cross-axial interference varies slowly and systematically between measurements, a variational trend in the cross-axial interference is calculated with trend analysis techniques. Where rapid variations between cross-axial measurements are detected such that the only information obtained is that the cross interference exists, the method is used to determine that the related azimuth calculations may be identified as being faulty. After correction for the cross-axial interference, the existence of an external magnetic field acting on the measurements is also determined from residual error that varies in magnitude and direction along the well bore trajectory.

公开(公告)号：US4665511A

公开(公告)日：1987-05-12

申请号：US595327

申请日：1984-03-30

申请人： Paul F. Rodney ,  James R. Birchak

发明人： Paul F. Rodney ,  James R. Birchak

IPC分类号： E21B47/08 ,  G01B17/00 ,  G01B17/08 ,  G01V1/40 ,  G01V1/46 ,  G01V1/00

CPC分类号： G01V1/46 ,  E21B47/082 ,  G01B17/00

摘要： The present invention relates to an apparatus and method for calipering a borehole using acoustic measurements within the borehole. These acoustic measurements are useful for measuring the reflectivity of the side walls of a borehole and for calipering a borehole in a wireline or measurement while drilling configuration. The apparatus comprises at least one acoustic transceiver disposed on a calipering tool, together with a second acoustic receiver disposed longitudinally a selected distance from the first receiver. Further, a second acoustic transceiver is disposed on the caliper tool azimuthally from the first transceiver. Measurement of the travel times of acoustic pulses reflected from the borehole walls by the transceivers and receivers of this device, together with other known data, permits an accurate caliper of the borehole to be produced.

摘要翻译： 本发明涉及使用钻孔内的声学测量来测量钻孔的装置和方法。 这些声学测量对于测量钻孔的侧壁的反射率和在钻孔配置中用于测量电缆中的钻孔或测量是有用的。 该装置包括设置在卡钳工具上的至少一个声收发器，以及沿第一接收器纵向选择的距离设置的第二声接收器。 此外，第二声收发器从第一收发器以方位角度设置在卡钳工具上。 通过该装置的收发器和接收器以及其他已知数据测量从钻孔壁反射的声波脉冲的行进时间允许产生钻孔的精确卡尺。

公开(公告)号：US4590593A

公开(公告)日：1986-05-20

申请号：US509487

申请日：1983-06-30

申请人： Paul F. Rodney

发明人： Paul F. Rodney

IPC分类号： E21B47/18 ,  G01V1/36

CPC分类号： E21B47/18 ,  Y10S367/901

摘要： An electronic noise filtration system for use in improving the signal to noise ratio of acoustic data transmitted from a downhole transducer in a measurement while drilling system. Signals from a pair of receiving acoustic transducers located in the mud flow path directed downhole are input to a differencing amplifier. The RMS output of the amplifier is converted from an analog to a digital signal and then processed by a computer programmed with a least mean squares technique for minimizing the signal. The input from one receiving transducer is routed through a delay line wherein a programmable clock controls the timing of the signal delay. The delay time is controlled and adjusted by the computer's calculation of the frequency with which the clock should drive the delay line to minimize the difference between the two received transducer signals. This function minimizes ambient noise in the acoustic transmission line formed by the column of drilling fluids when no data transmissions are being made. Computer analysis and adjustment of the delay time effectively maximizes filtration of acoustic noise due to mud pump pulses and or reflections of noise from the pump thereof without limitation to the geometrical configuration or other noise related variables.

摘要翻译： 一种电子噪声过滤系统，用于提高钻井系统中测量中从井下换能器传输的声学数据的信噪比。 来自位于指向井下的泥浆流路中的一对接收声学换能器的信号被输入到差分放大器。 放大器的RMS输出从模拟转换为数字信号，然后由用最小均方技术编程的计算机进行处理，以最小化信号。 来自一个接收换能器的输入通过延迟线路由，其中​​可编程时钟控制信号延迟的定时。 通过计算机计算时钟驱动延迟线的频率来控制和调整延迟时间，以最小化两个接收的传感器信号之间的差异。 当没有进行数据传输时，该功能最小化由钻井液柱形成的声传输线中的环境噪声。 延迟时间的计算机分析和调整有效地最大化了由于泥浆泵脉冲和/或来自其泵的噪声的反射引起的声学噪声的过滤，而不限于几何构型或其它噪声相关变量。

公开(公告)号：US09715024B2

公开(公告)日：2017-07-25

申请号：US13387843

申请日：2009-08-11

申请人： Etienne M. Samson ,  Paul F. Rodney

发明人： Etienne M. Samson ,  Paul F. Rodney

IPC分类号： G01V3/00 ,  G01V1/00

CPC分类号： G01V1/003

摘要： A disclosed downhole telemetry system employs an array of near-field electromagnetic communication devices to relay information along a tubular in a borehole. In some embodiments, the devices are permanently attached to pipe joints without requiring any structural modification of the pipe joints. As the pipe joints are strung together in the normal fashion to form a tubular, the devices automatically establish a wireless communications path between an uphole terminus device and any downhole sensors or tools. The devices can include built-in sensors to provide distributed sensing of parameters such as temperature and pressure. In some embodiments the device array incorporates redundancy to minimize the chance of a communications network failure. The device array has applications for logging-while-drilling, production testing, well completion, reservoir monitoring, and well control.

公开(公告)号：US09638022B2

公开(公告)日：2017-05-02

申请号：US12295158

申请日：2008-03-20

申请人： Michael S. Bittar ,  Martin D. Paulk ,  Gary Althoff ,  Paul F. Rodney ,  Frode Hveding

发明人： Michael S. Bittar ,  Martin D. Paulk ,  Gary Althoff ,  Paul F. Rodney ,  Frode Hveding

IPC分类号： G06T19/00 ,  E21B47/00 ,  G01V1/34

CPC分类号： E21B47/00 ,  G01V1/34 ,  G06T19/00

摘要： Borehole data presentation systems and methods that facilitate communication of volumetric logging data to a surface processing system for presentation to a driller or other user interested in visualizing the formations surrounding a borehole. The disclosed systems optionally tailor the telemetry stream to match the chosen display technique, thereby maximizing the logging system utility for the driller. Variable opacity of certain data regions or certain data discontinuities greatly facilitates data comprehension, particularly when true three-dimensional display technologies are employed. Holographic or stereoscopic display technologies may be employed to show the three-dimensional dependence of measured formation properties such as resistivity, density, and porosity. Alternatively, the radial axis can be used to represent a formation parameter value, thereby enabling cylindrical cross-plots of multiple measurements. The user can control viewing position and orientation to more fully explore the three dimensional representation.

公开(公告)号：US20150167449A1

公开(公告)日：2015-06-18

申请号：US13977892

申请日：2012-08-06

申请人： Paul F. Rodney

发明人： Paul F. Rodney

IPC分类号： E21B47/12 ,  E21B23/01 ,  E21B47/06 ,  H02G9/06 ,  E21B17/20

CPC分类号： E21B47/12 ,  E21B17/023 ,  E21B17/20 ,  E21B19/08 ,  E21B23/01 ,  E21B23/14 ,  E21B47/06 ,  E21B47/065 ,  H02G9/06

摘要： A wellbore communication system includes a first downhole positionable cable spool and a second downhole positionable cable spool. A downhole relay receives and repeats power and/or data signals between cables of the first and second cable spools.

摘要翻译： 井眼通信系统包括第一井下可定位缆索卷轴和第二井下定位缆索卷轴。 井下继电器接收并重复第一和第二电缆线轴的电缆之间的电力和/或数据信号。

公开(公告)号：US08981586B2

公开(公告)日：2015-03-17

申请号：US14001548

申请日：2012-03-06

申请人： Paul F. Rodney ,  Michael Fripp

发明人： Paul F. Rodney ,  Michael Fripp

IPC分类号： F03B13/00 ,  H02P9/04 ,  H02K99/00 ,  E21B41/00 ,  G01F1/115 ,  G01F1/32 ,  H01L41/12 ,  H02N2/18 ,  F03B17/00 ,  F02B63/04

CPC分类号： H02K57/003 ,  E21B41/0085 ,  F03B17/00 ,  G01F1/115 ,  G01F1/3209 ,  G01F1/3263 ,  H01L41/125 ,  H02K99/10 ,  H02N2/185

摘要： A magnetostrictor assembly (100) includes a magnetostrictor element (105), a conductor coupled to the magnetostrictor element, and a bluff body (101) coupled to the magnetostrictor element via a transfer arm (103). The bluff body is to be placed in a fluid flow path to, at least in part, produce motion that, at least in part, causes strain in the magnetostrictor element. A preload mechanism comprising a control circuit (1100) may optimize a magnetostrictive generator.

摘要翻译： 磁致伸缩体组件（100）包括磁致伸缩元件（105），耦合到磁致伸缩元件的导体和经由传输臂（103）耦合到磁致伸缩元件的非流线形体（101）。 将非流线形体放置在流体流动路径中，至少部分地产生至少部分地导致磁致伸缩元件中的应变的运动。 包括控制电路（1100）的预加载机构可优化磁致伸缩发电机。

公开(公告)号：US08689875B2

公开(公告)日：2014-04-08

申请号：US12990512

申请日：2009-05-19

申请人： James H. Dudley ,  Khanh T. Ma ,  Paul F. Rodney

发明人： James H. Dudley ,  Khanh T. Ma ,  Paul F. Rodney

IPC分类号： E21B43/26

CPC分类号： E21B43/2401 ,  E21B43/2405 ,  E21B43/263

摘要： Treating a subterranean formation includes injecting a magnetically permeable material into the formation and energizing the magnetically permeable material using electromagnetic radiation. The magnetically permeable material reacts to the electromagnetic radiation by producing heat. In some embodiments, a fracturing fluid is made magnetically permeable, injected into the formation to fracture the formation, and heated in response to electromagnetic radiation applied to the magnetically permeable material. In some embodiments, electromagnetically heated material is caused to explode. In some embodiments, the magnetically permeable material is tracked or monitored for fluid or fracture propagation. A system includes a fluid treatment tool disposed on a tubing string for injecting magnetically permeable material and an electromagnetic wave generator disposed on the tubing string proximate the fluid treatment apparatus for applying electromagnetic radiation to the magnetically permeable material.

摘要翻译： 处理地层包括将导磁材料注入到地层中并使用电磁辐射激励导磁材料。 导磁材料通过产生热而与电磁辐射反应。 在一些实施例中，压裂流体被制造为可磁导通的，注入到地层中以破裂地层，并且响应于施加到导磁材料的电磁辐射而被加热。 在一些实施例中，使电磁加热的材料爆炸。 在一些实施例中，磁导率材料被跟踪或监测以获得流体或裂缝传播。 系统包括设置在用于注射导磁材料的管柱上的流体处理工具和布置在靠近流体处理设备的管柱上的电磁波发生器，用于向导磁材料施加电磁辐射。

公开(公告)号：US08618803B2

公开(公告)日：2013-12-31

申请号：US13378515

申请日：2010-04-13

申请人： Paul F. Rodney ,  David Lyle ,  Mac Upshall ,  Richard Thomas Hay

发明人： Paul F. Rodney ,  David Lyle ,  Mac Upshall ,  Richard Thomas Hay

IPC分类号： G01V3/26

CPC分类号： G01V3/26

摘要： In some embodiments, apparatus and systems, as well as methods, may operate to launch a set of currents into a corresponding set of existing well casings; monitor, in a well under construction, changes in at least one of a magnetic field or an electric field perturbed by the set of currents after each one of the set is launched; and determine a location of the well under construction in relation to the set of existing well casings. In some embodiments, the activities include inducing current into a drillstring located in a well under construction; monitoring, at a set of existing well casings, changes in at least one of a magnetic field or an electric field perturbed by the current after the current is induced; and determining a location of the well under construction in relation to the set of existing well casings. Additional apparatus, systems, and methods are disclosed.

摘要翻译： 在一些实施例中，装置和系统以及方法可以操作以将一组电流发射到相应的一组现有的井套管中; 在正在建造中的监视器中，在启动了所述组中的每一个之后，在由所述一组电流扰动的磁场或电场中的至少一个中改变; 并确定与现有井套组相关的正在建造的井的位置。 在一些实施例中，活动包括将电流引入位于构造中的井中的钻柱; 在一组现有的井套管中监测由电流引起的电流扰动的磁场或电场中的至少一个的变化; 并且确定正在建造中的井的位置与现有的井套组相关。 公开了附加装置，系统和方法。