E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/09 (2006.01) E21B 47/024 (2006.01) E21B 47/08 (2006.01) G01V 3/38 (2006.01) G01V 5/04 (2006.01) G01V 5/08 (2006.01) G01V 5/10 (2006.01) G01V 5/12 (2006.01) G01V 5/14 (2006.01)
Patent
CA 2411213
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.
Adolph Robert A.
Climent Helene C.
Ortenzi Luca
Radtke Richard J.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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