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1. 发明授权

US06696684B2 Formation evaluation through azimuthal tool-path identification 有权
标题翻译：通过方位角工具路径识别形成评估
公开(公告)号：US06696684B2
公开(公告)日：2004-02-24
申请号：US10034476
申请日：2001-12-28
申请人： Richard J. Radtke , Robert A. Adolph , Hélène C. Climent , Luca Ortenzi
发明人： Richard J. Radtke , Robert A. Adolph , Hélène C. Climent , Luca Ortenzi
IPC分类号： G01V504
CPC分类号： G01V5/125
摘要： A method for tool path identification in formation evaluation includes obtaining measurements of formation properties in azimuthal sectors for each of a plurality of depth levels; calculating quality factors from the measurements; identifying a centroid or maximum of the quality factors among the measurements in each of the azimuthal sectors for each depth level; and associating the centroid or maximum of the quality factors at each depth level along a borehole to form the tool path. Calculating the quality factors may include parameterizing the measurements according to at least one factor selected from a spine factor, a rib factor, and a volumetric photoelectric factor. A method for determining corrected measurements for formation properties includes identifying a tool path from measurements taken in azimuthal sectors at each depth level along a borehole; and calculating a corrected measurement at the each depth level by averaging measurements in the azimuthal sectors adjacent the tool path.
摘要翻译：在地层评价中用于工具路径识别的方法包括获得多个深度级中的每一个的方位角扇区中的地层特性的测量; 从测量中计算质量因子; 在每个深度级的每个方位角扇区中测量质量因子的质心或最大值; 并且沿着钻孔将每个深度级的质量因子的质心或最大值相关联以形成工具路径。计算质量因子可以包括根据从脊柱因子，肋因子和体积光电因子中选择的至少一个因素来参数化测量。用于确定用于地层性质的校正测量的方法包括从沿着钻孔的每个深度级的方位角段中进行的测量中识别刀具路径; 以及通过对与所述刀具路径相邻的所述方位区域中的测量进行平均，来计算所述每个深度级的校正测量值。

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