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WO2012148816A3 - Simultaneous conventional and phase-encoded seismic acquisition - Google Patents

Simultaneous conventional and phase-encoded seismic acquisition Download PDF

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Publication number
WO2012148816A3
WO2012148816A3 PCT/US2012/034496 US2012034496W WO2012148816A3 WO 2012148816 A3 WO2012148816 A3 WO 2012148816A3 US 2012034496 W US2012034496 W US 2012034496W WO 2012148816 A3 WO2012148816 A3 WO 2012148816A3
Authority
WO
WIPO (PCT)
Prior art keywords
crew
crews
seismic acquisition
seismic
phase
Prior art date
Application number
PCT/US2012/034496
Other languages
French (fr)
Other versions
WO2012148816A2 (en
Inventor
Peter M. Eick
Joel D. Brewer
Stephen K. Chiu
Original Assignee
Conocophillips Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Conocophillips Company filed Critical Conocophillips Company
Priority to EP12720048.3A priority Critical patent/EP2702432B1/en
Priority to CA2833278A priority patent/CA2833278C/en
Publication of WO2012148816A2 publication Critical patent/WO2012148816A2/en
Publication of WO2012148816A3 publication Critical patent/WO2012148816A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G01V1/005—Seismic data acquisition in general, e.g. survey design with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention relates to a process for two separate seismic crews to work in proximity to one another that would otherwise require expensive time sharing where one crew is a conventional seismic acquisition system and the other is a phase encoded seismic acquisition system. Typically, each recording system would receive seismic energy from the other that neither data set would be very useful. The invention primarily envisions some collaboration between the crews where each adjusts its sweeps to comprise a different time duration so that the energy the other crew's sources are distinguishable in the data set and easily eliminated therefrom. Distinctions may be further enhanced when the two crews use construct their sweeps so that each crew has a distinctly different start frequency and a distinctly different end frequency.
PCT/US2012/034496 2011-04-29 2012-04-20 Simultaneous conventional and phase-encoded seismic acquisition WO2012148816A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12720048.3A EP2702432B1 (en) 2011-04-29 2012-04-20 Simultaneous conventional and phase-encoded seismic acquisition
CA2833278A CA2833278C (en) 2011-04-29 2012-04-20 Simultaneous conventional and phase encoded seismic acquisition

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161480777P 2011-04-29 2011-04-29
US61/480,777 2011-04-29
US59235612A 2012-04-20 2012-04-20
US12/592,356 2012-04-20

Publications (2)

Publication Number Publication Date
WO2012148816A2 WO2012148816A2 (en) 2012-11-01
WO2012148816A3 true WO2012148816A3 (en) 2013-06-13

Family

ID=46051938

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/034496 WO2012148816A2 (en) 2011-04-29 2012-04-20 Simultaneous conventional and phase-encoded seismic acquisition

Country Status (2)

Country Link
CA (1) CA2833278C (en)
WO (1) WO2012148816A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686654A (en) * 1986-07-31 1987-08-11 Western Geophysical Company Of America Method for generating orthogonal sweep signals
US20100299070A1 (en) * 2008-08-15 2010-11-25 Bp Corporation North America Inc. Method for separating independent simultaneous sources

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1423366A (en) 1972-07-21 1976-02-04 Seiscom Ltd Broad line seismic profiling using simultaneously radiating sources
US4715020A (en) 1986-10-29 1987-12-22 Western Atlas International, Inc. Simultaneous performance of multiple seismic vibratory surveys
GB2306219B (en) 1995-10-12 1999-06-23 Nigel Allister Anstey 3-d seismic survey using multiple sources simultaneously
US20060164916A1 (en) 2003-08-11 2006-07-27 Krohn Christine E Method for continuous sweepting and separtion of multiple seismic vibrators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686654A (en) * 1986-07-31 1987-08-11 Western Geophysical Company Of America Method for generating orthogonal sweep signals
US20100299070A1 (en) * 2008-08-15 2010-11-25 Bp Corporation North America Inc. Method for separating independent simultaneous sources

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CLAUDIO BAGAINI: "Acquisition and processing of simultaneous vibroseis data", GEOPHYSICAL PROSPECTING, vol. 58, 2010, pages 81 - 99, XP002694674 *
WALT LYNN ET AL.: "Experimental investigation of interference from other seismic crews", GEOPHYSICS, vol. 52, no. 11, November 1998 (1998-11-01), pages 1501 - 1524, XP002694673 *

Also Published As

Publication number Publication date
CA2833278C (en) 2019-06-18
WO2012148816A2 (en) 2012-11-01
CA2833278A1 (en) 2012-11-01

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