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    • 1. 发明申请
    • SYSTEM AND METHOD FOR ESTIMATING DIRECTIONAL CHARACTERISTICS BASED ON BENDING MOMENT MEASUREMENTS
    • 基于弯曲测量的估计方向特性的系统和方法
    • WO2012024474A3
    • 2012-04-26
    • PCT/US2011048211
    • 2011-08-18
    • BAKER HUGHES INCHEISIG GERALDMACPHERSON JOHN D
    • HEISIG GERALDMACPHERSON JOHN D
    • E21B47/024E21B7/06E21B47/04E21B47/12
    • E21B47/024E21B47/0006
    • A system for measuring directional characteristics of a downhole tool includes: at least one bending moment (BM) measurement device disposed at a downhole component, the at least one BM measurement device configured to generate bending moment data at at least one depth in the borehole, the bending moment data including a bending vector of the downhole tool, a bending moment representing an amplitude of the bending vector, and a bending tool face (BTF) angle representing an orientation of the bending vector; and a processor in operable communication with the BM measurement device and configured to receive bending moment data from the BM measurement device, calculate a dogleg severity (DLS) from the bending moment and a well tool face (WTF) angle from the BTF angle, and calculate at least one of a change in inclination and a change in azimuth based on the DLS and the WTF angle.
    • 一种用于测量井下工具的方向特性的系统包括:设置在井下部件处的至少一个弯矩(BM)测量装置,所述至少一个BM测量装置被配置为在钻孔中的至少一个深度处产生弯矩数据, 包括井下工具的弯曲矢量的弯矩数据,表示弯曲矢量的振幅的弯矩,以及表示弯曲矢量的取向的弯曲工具面(BTF)角度; 以及处理器,其与所述BM测量装置可操作地通信并且被配置为从所述BM测量装置接收弯矩数据,从所述弯矩和从所述BTF角度的井工具面(WTF)角度计算狗腿强度(DLS),以及 基于DLS和WTF角度来计算倾斜度的变化和方位角的变化中的至少一个。
    • 5. 发明申请
    • OPTICAL TELEMETRY NETWORK
    • 光电远程网络
    • WO2011022476A3
    • 2011-05-26
    • PCT/US2010045884
    • 2010-08-18
    • BAKER HUGHES INCPETER ANDREASMACPHERSON JOHN D
    • PETER ANDREASMACPHERSON JOHN D
    • E21B47/12H04B10/12
    • E21B47/123H04B10/801
    • An apparatus for providing communications between a first device disposed at a tubular and a second device, the tubular having tubular sections and being configured to be disposed in a borehole penetrating the earth, the apparatus including: a first optical coupler configured to be concentrically coupled to a first tubular section and configured to be in optical communication with the first device using a first optical transmission medium disposed at the first tubular section; and a second optical coupler configured to be concentrically coupled to a second tubular section and configured to be in optical communication with the second device using a second optical transmission medium disposed at the second tubular section; wherein the first optical coupler is configured to be perimetrically disposed about the second optical coupler to be in communication with the second optical coupler to provide the communications between the first device and the second device.
    • 一种用于在设置在管状部件和第二装置之间的第一装置之间提供通信的装置,所述管状部分具有管状部分并被构造成设置在穿过地面的钻孔中,所述装置包括:第一光耦合器, 第一管状部分,并且被配置为使用布置在第一管状部分处的第一光学传输介质与第一装置光学通信; 以及第二光耦合器,其被配置为同心地耦合到第二管状部分,并且被配置为使用布置在所述第二管状部分处的第二光传输介质与所述第二装置光学通信; 其中所述第一光耦合器被配置为围绕所述第二光耦合器周边地设置为与所述第二光耦合器通信以提供所述第一设备和所述第二设备之间的通信。