Method and apparatus for water velocity decomposition

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C367S015000, C367S050000, C367S051000

Reexamination Certificate

active

10448904

ABSTRACT:
The present invention provides a method for analyzing traces collected along a plurality of adjacent sail lines in a marine seismic survey area. The method comprises selecting a plurality of trace groups, at least one trace in each group sharing a common midpoint with at least one trace from another group, determining an initial zero-offset travel time for each trace in the trace groups, and generating a plurality of updated zero-offset travel times and a plurality of time corrections for the trace groups using a pre-selected function of the initial zero-offset travel times.

REFERENCES:
patent: 4839869 (1989-06-01), Corcoran
patent: 5424999 (1995-06-01), Manin
patent: 5524100 (1996-06-01), Paffenholz
patent: 5808964 (1998-09-01), Lailly et al.
patent: 6799118 (2004-09-01), MacKay
patent: 6839658 (2005-01-01), Causse et al.
patent: 2003/0074140 (2003-04-01), MacKay
Fried, Jonathan and MacKay, Scott. “Dynamic Corrections for Water Velocity Variations: A Nove Scotia Case History.” GSEG Recorder, Oct. 2001.
Wombell, Richard. “Water velocity variations in 3-D seismic processin.” 66thAnnual International Meeting: Soc. of Expl. Geophysics, 1996.
International PCT Search Report (PCT/US2004/016282) dated May 24, 2004.
MacKay et al., “The Impact Of Water-Velocity Variations On Deepwater Seismic Data,” vol. 22, No. 4, pp. 344, 347-350 dated Apr. 2003.
Bertrand et al., “Seawater Velocity Variations And Real-Time Reservoir Monitoring,” vol. 22, No. 4, pp. 351-355, dated Apr. 2003.
Barley, “Deepwater problems around the world,”The Leading Edge, 18(4):488-494, Apr. 1999.
Bertrand et al., “Seawater velocity variations and their impact in permanent installations for reservoir monitoring,” SEG Intern. Expo. & 72ndAnn. Mtg., pp. 1684-1687, Salt Lake City, Utah, Oct. 6-11, 2002.
Bertrand et al., “Seawater velocity variations and real-time reservoir monitoring,”The Leading Edge, 22(4):351-355, Apr. 2003.
Fried and MacKay, “Dynamic corrections for water velocity variations: a Nova Scotia case history,”Canadian Soc. Expl. Geophys. October Technical Luncheon. pp. 5-8, 11-12, 14-15, 2001.
Fried and MacKay, “Removing distortions caused by water velocity variations: water velocity determination,” SEG Intern. Expo. & 72ndAnn. Mtg., pp. 2070-2073, 2002.
International Search Report dated May 24, 2004 for Application No. PCT/US2004/016282.
Levin, “Apparent velocities from dipping interface reflections,”Geophys., 36(3):510-516, 1971.
MacKay and Fried, “Removing distortions caused by water velocity variations: method for dynamic correction,” SEG Intern. Expo. & 72ndAnn. Mtg., pp. 2074-2077, 2002.
MacKay et al., “The impact of water velocity variations on deepwater seismic data,”The Leading Edge, 22(4):344, 347-350, Apr. 2003.
Wombell, “Water velocity variations and static corrections in 3D data processing,”EAGE 59thConf.&Technical Exhibition, Geneva, Switzerland, Abstract 029, May 26-30, 1997.
Wombell, “Water velocity variations in 3-D seismic processing,”66thAnn. Intern. Mtg. SEG, pp. 1666-1669, 1996.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for water velocity decomposition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for water velocity decomposition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for water velocity decomposition will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3907158

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.