OVERVIEW OF AVO Flashcards
1
Q
AVO
A
Amplitude variations with offset
2
Q
What is cross-plotting of attributes
A
zero offset reflection coefficient vs. gradient
3
Q
Why is S wave velocity important ?
A
In the presence of H2O or HC, P wave velocity drops and S wave velocity does not
4
Q
What causes bright spots ?
A
lithological variation
large Rc in shallow gas sands.