Estimation of porosity and fluid saturation in carbonates from rock-physics templates based on seismic Q

M Pang, J Ba, JM Carcione, S Picotti, J Zhou, R Jiang - Geophysics, 2019 - library.seg.org
Rock-physics templates establish a link between seismic properties (eg, velocity, density,
impedance, and attenuation) and reservoir properties such as porosity, fluid saturation …

Digital core construction of fractured carbonate rocks and pore-scale analysis of acoustic properties

M Tan, M Su, W Liu, X Song, S Wang - Journal of Petroleum Science and …, 2021 - Elsevier
Fractures in carbonate rocks make the reservoir and its elastic properties complex, which
creates challenges in the geophysical exploration of oil and gas resources. To study the …

Improvement of petrophysical workflow for shear wave velocity prediction based on machine learning methods for complex carbonate reservoirs

Y Zhang, HR Zhong, ZY Wu, H Zhou, QY Ma - Journal of Petroleum Science …, 2020 - Elsevier
Shear wave velocity (S-wave velocity or Vs) is one of the most critical issues for carbonate
reservoirs characterization, because of its complexity of rock compositions and pore …

Log scale rock physics modelling to study the effect of mineralogy on elastic properties of the Bakken Formation

JA Harju, ML Malki, M Rabiei, V Rasouli - Geoenergy Science and …, 2023 - Elsevier
Abstract The Bakken Formation is a geographically extensive, organic-rich, tight formation in
the Williston Basin and currently serves as the second largest producer of oil in the USA …

Shear wave velocity prediction based on deep neural network and theoretical rock physics modeling

G Feng, HH Zeng, XR Xu, GY Tang… - Frontiers in Earth …, 2023 - frontiersin.org
Shear wave velocity plays an important role in both reservoir prediction and pre-stack
inversion. However, the current deep learning-based shear wave velocity prediction …

Well log and seismic data analysis for complex pore-structure carbonate reservoir using 3D rock physics templates

H Li, J Zhang - Journal of applied Geophysics, 2018 - Elsevier
The pore structure in heterogeneous carbonate rock is usually very complex. This complex
pore system makes the relationship between the velocity and porosity of the rock highly …

Experiment study of pore structure effects on velocities in synthetic carbonate rocks

Z Wang, R Wang, F Wang, H Qiu, T Li - Geophysics, 2015 - pubs.geoscienceworld.org
Carbonate rocks have a complex pore structure, show strong heterogeneity, and have a
wide range of velocities that lead to more complicated velocity-porosity relationships …

The differential Kuster–Toksöz rock physics model for predicting S-wave velocity

Z Liu, SZ Sun - Journal of geophysics and engineering, 2015 - academic.oup.com
Abstract The Kuster–Toksöz (KT) model is a classical rock physics model concerning the
influence of pore geometry on elastic wave velocities. However, this model is limited to a …

Seismic rock-physics linearized inversion for reservoir-property and pore-type parameters with application to carbonate reservoirs

Q Guo, J Ba, C Luo - Geoenergy Science and Engineering, 2023 - Elsevier
Carbonate reservoirs hold promising potential for hydrocarbon exploration, but they usually
exhibit complex pore structures, which lead to difficulties in the seismic/elastic prediction via …

Simultaneous quantification of triple pore types in carbonate reservoirs using well logs and seismic data

M Du, H Pan, C Wei, H Li, S Cai, C Huang, Z Gui - Geophysics, 2024 - library.seg.org
Accurate characterization of carbonate pore types is of great significance for seismic
reservoir characterization. However, the existing pore-type inversion methods cannot …