Title:
METHOD TO LOOK AHEAD OF THE BIT
Document Type and Number:
WIPO Patent Application WO/2012/170553
Kind Code:
A3
Abstract:
The present disclosure is direct to method of performing measurements while drilling in an earth formation. The method may include estimating a location of a seismic reflector using signals from one or more of seismic sensors located at a plurality of locations in a borehole and the drilling depth of the one or more seismic sensors in a borehole. The signals may include information about times when the seismic sensors detect a direct wave and a reflected wave. The method may include storing the information in a memory using a processor.
Inventors:
COMAN RADU (DE)
Application Number:
PCT/US2012/041128
Publication Date:
March 21, 2013
Filing Date:
June 06, 2012
Export Citation:
Assignee:
BAKER HUGHES INC (US)
COMAN RADU (DE)
COMAN RADU (DE)
International Classes:
E21B47/04; E21B43/11; E21B47/26
Foreign References:
| US6131694A | 2000-10-17 | |||
| US20100315901A1 | 2010-12-16 | |||
| US20110022319A1 | 2011-01-27 | |||
| US5012453A | 1991-04-30 |
Attorney, Agent or Firm:
CARSON, Matt, W. et al. (P.O. Box 4740Houston, TX, US)
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