Predicting the occurrence, distribution, and evolution of methane gas hydrate in porous marine sediments

W Xu, C Ruppel - Journal of Geophysical Research: Solid …, 1999 - Wiley Online Library
Using a new analytical formulation, we solve the coupled momentum, mass, and energy
equations that govern the evolution and accumulation of methane gas hydrate in marine …

Excess pore pressure resulting from methane hydrate dissociation in marine sediments: A theoretical approach

W Xu, LN Germanovich - Journal of Geophysical Research …, 2006 - Wiley Online Library
This study quantifies the excess pore pressure resulting from gas hydrate dissociation in
marine sediments. The excess pore pressure in confined pore spaces can be up to several tens …

Co-existence of gas hydrate, free gas, and brine within the regional gas hydrate stability zone at Hydrate Ridge (Oregon margin): evidence from prolonged degassing …

…, YJ Lee, WS Borowski, ME Torres, W Xu… - Earth and Planetary …, 2004 - Elsevier
Standard scientific operations on Ocean Drilling Program (ODP) Leg 204 documented a
horizon of massive gas hydrate and highly saline pore water ∼0–20 m below the southern …

Wiremesh: a novel shale fracturing simulator

W Xu, M Thiercelin, U Ganguly, X Weng… - SPE International Oil …, 2010 - onepetro.org
A mathematical model was constructed to better characterize and predict the growth of
induced hydraulic fracture networks (HFN) in naturally fractured formations such as shale. The …

In situ methane concentrations at Hydrate Ridge, offshore Oregon: New constraints on the global gas hydrate inventory from an active margin

AV Milkov, GE Claypool, YJ Lee, W Xu… - …, 2003 - pubs.geoscienceworld.org
The widespread presence of bottom-simulating reflectors (BSRs) on continental margins has
bolstered suggestions that gas hydrates and free gas constitute a large dynamic reservoir …

Characterization of hydraulically-induced fracture network using treatment and microseismic data in a tight-gas formation: A geomechanical approach

W Xu, JL Calvez, M Thiercelin - SPE Unconventional Resources …, 2009 - onepetro.org
Large amount of gas are being produced from unconventional tight-gas sand reservoirs (eg,
Cotton Valley Fm., Lobo Fm., Taylor Sand Fm. and, Wilcox Fm., etc.) and shale gas-bearing …

Characterization of hydraulically-induced shale fracture network using an analytical/semi-analytical model

W Xu, M Thiercelin, I Walton - SPE Annual Technical Conference and …, 2009 - onepetro.org
A model describing hydraulic fracture network growth is presented in this paper. The model
is fully constrained by accounting for mechanical interactions between injected fluid and …

Effect of seafloor temperature and pressure variations on methane flux from a gas hydrate layer: Comparison between current and late Paleocene climate conditions

W Xu, RP Lowell, ET Peltzer - Journal of Geophysical …, 2001 - Wiley Online Library
We investigate the response of a methane hydrate layer in marine sediments to cyclic seafloor
perturbations of temperature and pressure in order to determine the change in seafloor …

Effects of dietary melatonin on growth performance, antioxidant capacity, and nonspecific immunity in crayfish, Cherax destructor

Y Yang, W Xu, X Du, Y Ye, J Tian, Y Li, Q Jiang… - Fish & Shellfish …, 2023 - Elsevier
Melatonin (MT) is an indole hormone widely found in plants and animals. Many studies have
shown that MT promotes the growth and immunity of mammals, fish, and crabs. However, …

[HTML][HTML] Angiotensin receptors and β-catenin regulate brain endothelial integrity in malaria

…, A Movila, P Gomes, A Weinstock, W Xu… - The Journal of …, 2016 - Am Soc Clin Investig
Cerebral malaria is characterized by cytoadhesion of Plasmodium falciparum–infected red
blood cells (Pf-iRBCs) to endothelial cells in the brain, disruption of the blood-brain barrier, …