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    • 11. 发明申请
    • TRIAXIAL INDUCTION CALIBRATION WITHOUT PRIOR KNOWLEDGE OF THE CALIBRATION AREA'S GROUND CONDUCTIVITY
    • 未预先知道校准区域的地电导率的三轴感应校准
    • WO2012047437A3
    • 2012-07-19
    • PCT/US2011050663
    • 2011-09-07
    • BAKER HUGHES INCPELEGRI LUIS MMAURER HANS-MARTIN
    • PELEGRI LUIS MMAURER HANS-MARTIN
    • E21B47/00E21B47/12E21B49/00
    • G01V13/00
    • Disclosed is a method for determining calibration factors of an induction tool that includes three receiver coils, each having a distinct orientation. The method includes: placing the induction logging tool in a first position at a first height above a surface of the earth; performing a first set of measurements of conductivity using the receiver coils with the induction logging tool in the first position at the first height; placing the induction logging tool in a second position at a second height above the surface of the earth; performing a second set of measurements of conductivity using the receiver coils with the induction logging tool in the second position at the second height; and determining the calibration factors that correct conductivity measurements performed by the induction logging tool in a borehole penetrating the earth using the first and second sets of measurements.
    • 公开了一种用于确定感应工具的校准因子的方法,该感应工具包括三个接收器线圈,每个接收器线圈具有不同的取向。 该方法包括:将感应测井工具放置在地球表面上方第一高度的第一位置; 使用具有在第一高度处的第一位置中的感应测井工具的接收器线圈来执行第一组电导率的测量; 将感应测井工具放置在地球表面上方第二高度的第二位置; 使用所述感应测井工具在所述第二位置处的所述第二位置处的所述接收器线圈执行第二组电导率测量; 以及使用所述第一组测量和所述第二组测量确定校正由所述感应测井工具在穿透地球的钻孔中执行的电导率测量的所述校准因子。