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LEAST SQUARES DATUMING. Yanwei Xue Sep. 18, 2009. OUTLINE. Theory VSP->SWP. OBS Data Example. Application on Target Oriented RTM. VSP surface related multiples->SSP. Flat 3 layer model example. SEG/EAGE model Example. Two state model. State 1. State 2. State 1. State 2. OUTLINE.
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LEAST SQUARES DATUMING Yanwei Xue Sep. 18, 2009
OUTLINE • Theory • VSP->SWP. • OBS Data Example. • Application on Target Oriented RTM. • VSP surface related multiples->SSP. • Flat 3 layer model example. • SEG/EAGE model Example.
State 1 State 2
State 1 State 2
OUTLINE • Theory • VSP->SWP. • OBS Data Example. • Application on Target Oriented RTM. • VSP surface related multiples->SSP. • Flat 3 layer model example. • SEG/EAGE model Example.
Input VSP Data G’s Function
S.I.D. Real
L.S.D. Real
OUTLINE • Theory • VSP->SWP. • OBS Data Example. • Application on Target Oriented RTM. • VSP surface related multiples->SSP. • Flat 3 layer model example. • SEG/EAGE model Example.
Down-going waves (receiver side) Up-going waves (receiver side)
Down-going waves S.I.D Up-going waves S.I.D
Down-going waves L.S.D Up-going waves L.S.D
OUTLINE • Theory • VSP->SWP. • OBS Data Example. • Application on Target Oriented RTM. • VSP surface related multiples->SSP. • Flat 3 layer model example. • SEG/EAGE model Example.
Down-going waves (receiver side) Up-going waves (receiver side)
Down-going waves S.I.D Up-going waves S.I.D
Down-going waves L.S.D Up-going waves L.S.D