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    • 4. 发明授权
    • Downhole measurement of formation characteristics while drilling
    • 钻井时地层特征的井下测量
    • US07458257B2
    • 2008-12-02
    • US11312683
    • 2005-12-19
    • Julian J. PopReza TaherianMartin E. PoitzschJacques R. Tabanou
    • Julian J. PopReza TaherianMartin E. PoitzschJacques R. Tabanou
    • E21B47/00
    • E21B49/005E21B49/081
    • A method for determining a property of formations surrounding an earth borehole being drilled with a drill bit at the end of a drill string, using drilling fluid that flows downward through the drill string, exits through the drill bit, and returns toward the earth's surface in the annulus between the drill string and the periphery of the borehole, including the following steps: obtaining, downhole near the drill bit, a pre-bit sample of the mud in the drill string as it approaches the drill bit; obtaining, downhole near the drill bit, a post-bit sample of the mud in the annulus, entrained with drilled earth formation, after its egression from the drill bit; implementing pre-bit measurements on the pre-bit sample; implementing post-bit measurements on the post-bit sample; and determining a property of the formations from the post-bit measurements and the pre-bit measurements.
    • 一种用于确定围绕钻井的地层钻孔的性质的方法,其使用在钻柱上向下流动的钻井流体在钻柱的端部钻出,通过钻头离开,并朝向地球表面返回 钻柱和钻孔周边之间的环形空间,包括以下步骤:在钻柱附近获得钻头附近的井下钻头样品,当钻柱接近钻头时; 在钻头附近获得钻孔附近的井下钻孔后的钻头样品,在钻头从其钻出之后夹带钻井泥土; 对前置位采样执行预位测量; 对后位采样进行后位测量; 以及从后位测量和前位测量确定地层的属性。
    • 7. 发明申请
    • LOG PROCESSING IN HIGHLY DEVIATED WELLBORES
    • 在高度评价的啤酒桶中进行日志处理
    • US20100312478A1
    • 2010-12-09
    • US12712704
    • 2010-02-25
    • JACQUES R. TABANOUJohn C. RasmusJohn P. HorkowitzKoji ItoChristian StolteShahzad AsifBernadette Tabanou
    • JACQUES R. TABANOUJohn C. RasmusJohn P. HorkowitzKoji ItoChristian StolteShahzad AsifBernadette Tabanou
    • G01V3/18G01V3/20G01V3/32G06F19/00G01V3/38
    • G01V11/00G01V2210/1429
    • A method for processing well logging data includes method dividing the well logging data into a number of constant dimensional effect segments, where each constant dimensional effect segment defines an interval having a similar dimensional effect on the log response. The well logging data is taken from a highly deviated well, which may include portions deviated at greater than 90-degrees. The method further includes dividing the constant dimensional effect segments into a number of constant property intervals, each constant dimensional effect segment including at least one corresponding constant property interval, and each constant property interval defining a wellbore distance over which a formation property is substantially constant that results in a log response having a low variance. The method further includes providing the constant property intervals to an output device. The method further includes determining constant property intervals in 3D volume space projected them into true stratigraphic thickness, and providing the resulting log-squared data to the output device.
    • 一种用于处理测井数据的方法包括将测井数据分成多个恒定维度效应段的方法,其中每个恒定维度效应段定义具有与对数响应相似的尺寸效应的间隔。 测井数据取自高度偏差的井,其可以包括偏离大于90度的部分。 所述方法还包括将恒定维数效应段划分成多个恒定特性间隔,每个恒定维度效应段包括至少一个对应的恒定特性间隔,以及每个常数特性间隔,其定义井眼距离, 导致具有低方差的对数响应。 该方法还包括向输出设备提供恒定的属性间隔。 该方法还包括确定3D体积空间中的恒定属性间隔将它们投影成真实的地层厚度,并将所得的对数平方数据提供给输出装置。
    • 10. 发明授权
    • System, apparatus, and method of conducting borehole resistivity measurements
    • 进行钻孔电阻率测量的系统,设备和方法
    • US07095233B1
    • 2006-08-22
    • US11185048
    • 2005-07-20
    • Jacques R. TabanouChristopher E. Morriss
    • Jacques R. TabanouChristopher E. Morriss
    • G01V3/20G01V3/00G01V3/18
    • G01V3/20
    • A logging-while-drilling tool is adapted for incorporation with a drill string having a longitudinal axis. The drill string is further adapted for drilling a wellbore penetrating a geological formation. The drilling tool includes a tool body having a central axis disposed in parallel relation with the longitudinal axis of the drill string and an external, circumferential surface spaced radially outward from the central axis. The tool also includes a measurement apparatus for measuring resistivity of a borehole fluid in the wellbore. The measurement apparatus has an electrode array including a current emitting electrode disposed on the circumferential surface. The current emitting electrode is adapted to emit current into a target region of the wellbore spaced laterally between the circumferential surface and the walls of the wellbore. Further, a current receiving electrode is disposed on the circumferential surface and spaced apart from the current emitting electrode. The current receiving electrode is adapted to receive current propagated from the current emitting electrode into the target region. The electrode array occupies an arcuate section of the circumferential surface that extends less than about 180° about the central axis.
    • 钻井测井工具适于与具有纵向轴线的钻柱结合。 钻柱还适用于钻井穿透地质层。 该钻具包括具有与钻柱的纵向轴线平行的中心轴线的工具主体和与中心轴线径向向外间隔开的外部圆周表面。 该工具还包括用于测量井眼中的井眼流体​​的电阻率的测量装置。 测量装置具有包括设置在圆周表面上的电流发射电极的电极阵列。 电流发射电极适于将电流发射到在井筒的周向表面和壁之间横向隔开的井眼的目标区域中。 此外,电流接收电极设置在圆周表面上并与电流发射电极间隔开。 电流接收电极适于接收从电流发射电极传播到目标区域中的电流。 电极阵列占据圆周表面的弧形部分,围绕中心轴线延伸小于约180°。