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Expired Canadian patentCanada

Method for attenuating multiples in cdp data gathers

CA 1254992 A · Owner: Mobil Oil Corporation · Inventors: Mobil Oil Corporation; Tait, Gerald W.

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Abstract From the Canadian patent

A method for attenuating multiples in common depth point data whereby common depth point data are received and spike deconvolution is performed on the data. The deconvolved data are constant velocity stacked and gap deconvolution is performed. The primary stack velocity is determined and all data having a velocity other than the primary stack velocity are muted All scans within the, constant velocity stack are composited. These composites are arranged in proper order and displayed.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted May 30, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 30, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 6, 1986
GrantedMay 30, 1989
Term endedMay 30, 2006
Patent numberCA 1254992 A
Classification (IPC)G01V1/36

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMarch 6, 1986Patent grantedMay 30, 1989Term endedMay 30, 2006

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.