A seismic source, a marine seismic surveying arrangement, a method of operating a marine seismic source, and a method of de-ghosting seismic data
CA 2405068 A1 · Owner: Schlumberger Canada Limited · Inventors: Moldoveanu, Nicolae
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A staggered vertical marine seismic source contains upper and lower arrays (10, 11) of emitters of seismic energy (S11 S12; S21, S22). The upper array , (10) is horizontally displaced relative to the lower array (11). The source is used in a marine seismic surveying arrangement that has means for moving the source and at least one seismic receiver. In use the source is moved through , the water in a direction parallel to the direction in which the two arrays are displaced. The arrays (10, 11) are fired sequentially and the time delay , between the firing of the first-fired array and firing of the second-fired array is chosen such that each seismic emitter in one array is fired at the …
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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
- Filed March 29, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 29, 2023.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.