Title:
EXTERNALLY MOUNTED BAND ANTENNAE REQUIRING MINIMAL METAL CUTTING ON DRILLSTRING REDUCTION OF MECHANICAL STRESSES
Document Type and Number:
WIPO Patent Application WO/2010/048056
Kind Code:
A3
Abstract:
An instrument disposed into a drill string for imaging an earth formation includes: at least one band antenna disposed over an intermediate layer disposed into a groove in an outer surface of the drill string. A method of fabrication is provided.
Inventors:
SIGNORELLI JOHN A (US)
WANG TSILI (US)
WANG TSILI (US)
Application Number:
PCT/US2009/061020
Publication Date:
July 22, 2010
Filing Date:
October 16, 2009
Export Citation:
Assignee:
BAKER HUGHES INC (US)
SIGNORELLI JOHN A (US)
WANG TSILI (US)
SIGNORELLI JOHN A (US)
WANG TSILI (US)
International Classes:
G01V11/00; E21B47/12; G01V1/40; G01V3/18; G01V5/04
Foreign References:
| US6516898B1 | 2003-02-11 | |||
| US20010042643A1 | 2001-11-22 | |||
| EP1607571A2 | 2005-12-21 | |||
| US5563512A | 1996-10-08 |
Attorney, Agent or Firm:
BYNUM, Todd, A. et al. (P.O. Box 4740Houston, TX, US)
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