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    • 2. 发明申请
    • MULTI-ARRAY LATEROLOG TOOLS AND METHODS
    • 多阵列流变工具和方法
    • WO2012067599A1
    • 2012-05-24
    • PCT/US2010/056645
    • 2010-11-15
    • HALLIBURTON ENERGY SERVICES, INC.BITTAR, Michael, S.LI, ShanjunLI, Jing
    • BITTAR, Michael, S.LI, ShanjunLI, Jing
    • G01V3/24
    • G01V3/20G01V3/24
    • Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. This novel arrangement of currents provides a complete set of measurements that enables one tool to simultaneously emulate a whole range of laterolog tools.
    • 多阵列后验工具系统和方法获取足够的阵列测量集,以提供不同阵列大小的后者工具测量。 这种系统和方法提供多个调查深度,同时在具有高电阻率对比度的钻孔环境中提供更大的测量稳定性。 在至少一些系统实施例中,有线或LWD工具主体具有位于多对保护电极和一对返回电极之间的中心电极。 工具的电子器件提供从中心电极到一对返回电极的电流以及从每对保护电极到一对返回电极的电流。 每个电流可以通过频率区分或通过某种其他方式可区分。 这种新颖的电流布置提供了一整套测量,使一个工具能够同时模拟一整套后期工具。
    • 4. 发明申请
    • A 3D BOREHOLE IMAGER
    • 3D三维图像
    • WO2010060040A1
    • 2010-05-27
    • PCT/US2009/065537
    • 2009-11-23
    • HALLIBURTON ENERGY SERVICES, INC.BITTAR, Michael, S.LI, JingZANNONI, Stephen
    • BITTAR, Michael, S.LI, JingZANNONI, Stephen
    • G01V1/00
    • G01V3/30G01V3/10G01V3/18
    • Logging tools and methods for obtaining a three-dimensional (3D) image of the region around a borehole. In at least some embodiments, a 3D imaging tool rotates, transmitting pulses that are approximately a nanosecond long and measuring the time it takes to receive reflections of these pulses. Multiple receivers are employed to provide accurate triangulation of the reflectors. In some cases, multiple transmitters are employed to obtain compensated measurements, i.e., measurements that compensate for variations in the receiver electronics. Because reflections occur at boundaries between materials having different dielectric constants, the 3D imaging tool can map out such boundaries in the neighborhood of the borehole. Such boundaries can include: the borehole wall itself, boundaries between different formation materials, faults or other discontinuities in a formation, and boundaries between fluids in a formation. Depending on various factors, the size of the borehole neighborhood mapped out can be as large as 1 meter.
    • 用于获取钻孔周围区域的三维(3D)图像的测井工具和方法。 在至少一些实施例中,3D成像工具旋转,传输大约为纳秒长的脉冲,并测量接收这些脉冲的反射所花费的时间。 采用多个接收器来提供反射器的准确三角测量。 在一些情况下,采用多个发射机来获得补偿测量值,即补偿接收机电子设备变化的测量结果。 因为反射发生在具有不同介电常数的材料之间的边界处,所以3D成像工具可以在钻孔附近映射出这样的边界。 这种边界可以包括:井壁本身,不同地层材料之间的边界,地层中的断层或其他不连续性,以及地层中流体之间的边界。 根据各种因素,绘制出的井眼附近的大小可以大到1米。
    • 6. 发明申请
    • A HIGH FREQUENCY DIELECTRIC MEASUREMENT TOOL
    • 高频电介质测量工具
    • WO2010059275A1
    • 2010-05-27
    • PCT/US2009/053354
    • 2009-08-11
    • HALLIBURTON ENERGY SERVICES, INC.BITTAR, Michael, S.LI, Jing
    • BITTAR, Michael, S.LI, Jing
    • G01V3/10
    • G01V3/30G01V3/10G01V3/18
    • Disclosed dielectric logging tools and methods employ three or more receive horn antennas positioned between at least two transmit antennas, which can also be horn antennas. The logging tools can operate in the range between 100 MHz and 10 GHz to provide logs of formation permittivity, formation conductivity, standoff distance, and electrical properties of material in the standoff gap. Logs of water-saturated porosity and/or oil movability can be readily derived. The presence of additional receive antennas offers a significantly extended operating range, additional depths of investigation, increased measurement accuracy, and further offers compensation for tool standoff and mudcake effects. In both wireline and logging while drilling embodiments, at least some disclosed dielectric logging tools employ a set of three axially- spaced receive antennas positioned between pairs of axially- spaced transmit antennas. At least some disclosed methods employ absolute amplitude and phase measurements in response to alternate firings of the transmit antennas.
    • 公开的介电测井工具和方法采用位于至少两个发射天线之间的三个或更多个接收喇叭天线,其也可以是喇叭天线。 测井工具可以在100 MHz和10 GHz之间的范围内工作,以提供隔离间隙中材料的地层介电常数,地层导电率,间隔距离和电气特性的测井。 水饱和孔隙度和/或油移动性的对数可以很容易得出。 额外的接收天线的存在提供了显着延长的操作范围,额外的调查深度,增加的测量精度,并进一步提供了刀具间隔和泥饼效应的补偿。 在钻井实施例的同时进行电缆和测井同时,至少一些公开的介质测井工具采用位于轴向隔开的发射天线对之间的一组三个轴向隔开的接收天线。 至少一些公开的方法响应于发射天线的替代发射而采用绝对幅度和相位测量。
    • 7. 发明申请
    • MULTI-ARRAY LATEROLOG TOOLS AND METHODS WITH DIFFERENTIAL VOLTAGE MEASUREMENTS
    • 具有差分电压测量的多阵列流变仪工具及方法
    • WO2012067817A1
    • 2012-05-24
    • PCT/US2011/058867
    • 2011-11-02
    • HALLIBURTON ENERGY SERVICES, INC.LI, ShanjunSAN MARTIN, Luis, E.BITTAR, Nichael, S.LI, Jing
    • LI, ShanjunSAN MARTIN, Luis, E.BITTAR, Nichael, S.LI, Jing
    • G01V3/00
    • G01V3/20G01V3/24
    • Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. This novel arrangement of currents provides a complete set of measurements that enables one tool to simultaneously emulate a whole range of laterolog tools.
    • 多阵列后验工具系统和方法获取足够的阵列测量集,以提供不同阵列大小的后者工具测量。 这种系统和方法提供多个调查深度,同时在具有高电阻率对比度的钻孔环境中提供更大的测量稳定性。 在至少一些系统实施例中,有线或LWD工具主体具有位于多对保护电极和一对返回电极之间的中心电极。 工具的电子器件提供从中心电极到一对返回电极的电流以及从每对保护电极到一对返回电极的电流。 每个电流可以通过频率区分或通过某种其他方式可区分。 这种新颖的电流布置提供了一整套测量,使一个工具能够同时模拟一整套后期工具。