Clathrate hydrates

BA Buffett - Annual Review of Earth and Planetary Sciences, 2000 - annualreviews.org
Substantial volumes of methane gas are trapped below the seafloor and in permafrost by an
ice-like solid called clathrate hydrate. Global estimates of the methane in clathrate hydrate …

Compaction and porosity reduction in carbonates: A review of observations, theory, and experiments

D Croize, F Renard, JP Gratier - Advances in geophysics, 2013 - Elsevier
Carbonates are major sedimentary materials found in many upper layers of the Earth's crust.
Understanding their compaction behavior is important for porosity prediction in sedimentary …

Elasticity of high-porosity sandstones: Theory for two North Sea data sets

J Dvorkin, A Nur - Geophysics, 1996 - library.seg.org
We have analyzed two laboratory data sets obtained on high-porosity rock samples from the
North Sea. The velocities observed are unusual in that they seem to disagree with some …

Micromechanics of brittle faulting and cataclastic flow in Berea sandstone

B Menéndez, W Zhu, TF Wong - Journal of structural geology, 1996 - Elsevier
The micromechanics of failure in Berea sandstone were investigated by characterizing
quantitatively the evolution of damage under the optical and scanning electron microscopes …

Effective properties of cemented granular materials

J Dvorkin, A Nur, H Yin - Mechanics of materials, 1994 - Elsevier
An analytical model is developed to describe the effective elastic properties of a cemented
granular material that is modeled as a random packing of identical spheres. The elastic …

[КНИГА][B] Mechanics of granular materials: an introduction

K Iwashita, M Oda - 2020 - taylorfrancis.com
This textbook compiles reports written by about 35 internationally recognized authorities,
and covers a range of interests for geotechnical engineers. Topics include: fundamentals for …

Sediments with gas hydrates: Internal structure from seismic AVO

C Ecker, J Dvorkin, A Nur - Geophysics, 1998 - library.seg.org
We interpret amplitude variation with offset (AVO) data from a bottom simulating reflector
(BSR) offshore Florida by using rock-physics-based synthetic seismic models. A previously …

Physical properties and rock physics models of sediment containing natural and laboratory-formed methane gas hydrate

WJ Winters, IA Pecher, WF Waite… - American …, 2004 - pubs.geoscienceworld.org
This paper presents results of shear strength and acoustic velocity (p-wave) measurements
performed on:(1) samples containing natural gas hydrate from the Mallik 2L-38 well …

DEM simulation of bonded granular material. Part I: contact model and application to cemented sand

Z Shen, M Jiang, C Thornton - Computers and Geotechnics, 2016 - Elsevier
A three-dimensional bonded contact model is developed in this study to simulate the
mechanical behavior of bonded granular material using the Discrete Element Method. Two …