| US 7,463,035 B2 | ||
| Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells | ||
| Gulamabbas A. Merchant, Houston, Tex. (US); Otto N. Fanini, Houston, Tex. (US); Berthold Kriegshauser, Rio de Janeiro (Brazil); and Liming Yu, Stafford, Tex. (US) | ||
| Assigned to Baker Hughes Incorporated, Houston, Tex. (US) | ||
| Filed on Feb. 24, 2003, as Appl. No. 10/373,365. | ||
| Application 10/373365 is a continuation in part of application No. 10/214436, filed on Aug. 07, 2002. | ||
| Claims priority of provisional application 60/361570, filed on Mar. 04, 2002. | ||
| Prior Publication US 2003/0229449 A1, Dec. 11, 2003 | ||
| Int. Cl. G01V 3/10 (2006.01) | ||
| U.S. Cl. 324—339 | 26 Claims |
| 1. A method of evaluating an earth formation having a plurality of layers, the method comprising:
(a) conveying a logging tool into a borehole in said formation;
(b) obtaining a plurality of multi-component induction resistivity measurements using the logging tool; and
(c) using an objective function of the plurality of multi-component measurements for determining a distance of the logging
tool to an interface in the earth formation;
wherein said plurality of multi-component measurements include directionally sensitive measurements.
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