OVERVIEW OF AVO Flashcards

1
Q

AVO

A

Amplitude variations with offset

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2
Q

What is cross-plotting of attributes

A

zero offset reflection coefficient vs. gradient

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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

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4
Q

What causes bright spots ?

A

lithological variation

large Rc in shallow gas sands.

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