Amplitude variation with incident angle inversion for Q-factors in viscoelastic media: A case study

C Li, X Liu - Geophysics, 2019 - library.seg.org
At an interface separating two viscoelastic media, the variation of the reflection coefficient
with the incident angle is associated with the quality factors (Q-factors) of both media; this …

Q-compensated acoustic impedance inversion of attenuated seismic data: Numerical and field-data experiments

X Chai, G Tang, F Wang, H Gu, X Wang - Geophysics, 2018 - library.seg.org
Acoustic impedance (AI) inversion is of great interest because it extracts information
regarding rock properties from seismic data and has successful applications in reservoir …

Q estimation based on the centroid frequency and standard deviation of frequency‐weighted‐exponential function

JJ Zhang, J Li, S Wang, W Cheng… - Geophysical …, 2023 - Wiley Online Library
The quality factor Q is a vital parameter for quantitatively describing the attenuation
information of underground reservoirs, which is of great significance for hydrocarbon …

An improved method to estimate Q based on the logarithmic spectrum of moving peak points

Y Liu, Z Li, G Yang, Q Liu - Interpretation, 2019 - pubs.geoscienceworld.org
The quality factor (Q) is an important parameter for measuring the attenuation of seismic
waves. Reliable Q estimation and stable inverse Q filtering are expected to improve the …

A modified expression of Q attribute and its application in hydrocarbon prediction

Y Liu, Z Li, G Yang, Q Liu - SEG International Exposition and Annual …, 2019 - onepetro.org
Quality factor (Q) is an important parameter to quantify the loss of seismic energy in
subsurface. Oil and gas absorb the high frequency components greatly so the low value of Q …