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when did Kirchhoff PSTM originate?

Posted: Tue Apr 24, 2018 3:39 am
by Michael_Seman
I came across an article which stated that straight-ray PSTM was formulated by Lynn(1988), but there was no list of references at the end.
The only 1988 paper by Lynn is about cascaded migration. There are several papers that year about migration, even one about RTM (about
20 years before it was feasible). So I presume Kirchhoff PSTM was invented much earlier.

Re: when did Kirchhoff PSTM originate?

Posted: Thu May 24, 2018 6:00 am
by Michael_Seman
I presume the answer is Schneider's 1978 paper in Geophysics. But I did come across an interesting article on the history of migration.
Since many oil companies were heavily into migration, one of them could have been doing it earlier, but never published it.