multiple attenuation Flashcards
1
Q
Multiple Attenuation
Types of Multiples
A
MARINE ONLY
Water Bottom Multiples
Free Surface Multiple
BOTH LAND AND MARINE
Interbed Multiples (across 2-3 layers)
Intrabed Multiples (think W)
Peg-Leg Multiples (unequal raypath - PIRATE pegleg
2
Q
Multiple Attenuation
Properties of Multiple Attenuation
A
1-Repeating pattern
2-Multiple velocity is required for proper NMO correction of the multiples is less than that of the primary
3- polarity reversion at the air/water interface (for marine)
3
Q
Multiple Attenuation
Primary and Multiple Velocities
A
fgdgf
4
Q
Multiple Attenuation
Appearance of Multiples and primaries on FK plane
A
werw
5
Q
Multiple Attenuation
Multiple Attenuation Methods
A
FK Filtering
Radon Decomposition
Tau P
WEMS - Wave Equation Multiples Suppression
