Physical properties of hydrate‐bearing sediments

WF Waite, JC Santamarina, DD Cortes… - Reviews of …, 2009 - Wiley Online Library
Methane gas hydrates, crystalline inclusion compounds formed from methane and water,
are found in marine continental margin and permafrost sediments worldwide. This article …

Formation mechanism and geophysical properties of fracture-filling gas hydrate in the host sediments: A comprehensive review

G Hu, Z Zhang, Y Zhao, Q Bu, A Li, W Zhao… - Earth-Science …, 2024 - Elsevier
Fracture-filling hydrate constitutes a pivotal component within the global hydrate reserves
and serve as a significant focal point for hydrate exploration and development. However, the …

A laboratory investigation into the seismic velocities of methane gas hydrate‐bearing sand

JA Priest, AI Best, CRI Clayton - Journal of geophysical …, 2005 - Wiley Online Library
Remote seismic methods, which measure the compressional wave (P wave) velocity (Vp)
and shear wave (S wave) velocity (Vs), can be used to assess the distribution and …

Elevated gas hydrate saturation within silt and silty clay sediments in the Shenhu area, South China Sea

X Wang, DR Hutchinson, S Wu… - Journal of Geophysical …, 2011 - Wiley Online Library
Gas hydrate saturations were estimated using five different methods in silt and silty clay
foraminiferous sediments from drill hole SH2 in the South China Sea. Gas hydrate …

Downhole log evidence for the coexistence of structure II gas hydrate and free gas below the bottom simulating reflector in the South China Sea

J Qian, X Wang, TS Collett, Y Guo, D Kang… - Marine and Petroleum …, 2018 - Elsevier
Stratigraphic layered pore-filling gas hydrates are identified above the bottom simulating
reflector (BSR) using the well log and core data acquired at Sites W11 and W17 during the …

Elastic velocity models for gas-hydrate-bearing sediments—A comparison

S Chand, TA Minshull, D Gei… - Geophysical Journal …, 2004 - academic.oup.com
The presence of gas hydrate in oceanic sediments is mostly identified by bottom-simulating
reflectors (BSRs), reflection events with reversed polarity following the trend of the seafloor …

Estimating pore‐space gas hydrate saturations from well log acoustic data

MW Lee, WF Waite - Geochemistry, Geophysics, Geosystems, 2008 - Wiley Online Library
Relating pore‐space gas hydrate saturation to sonic velocity data is important for remotely
estimating gas hydrate concentration in sediment. In the present study, sonic velocities of …

Gas hydrate saturation in the Krishna–Godavari basin from P-wave velocity and electrical resistivity logs

U Shankar, M Riedel - Marine and Petroleum Geology, 2011 - Elsevier
During the Indian National Gas Hydrate Program (NGHP) Expedition 01, a series of well
logs were acquired at several sites across the Krishna–Godavari (KG) Basin. Electrical …

In-situ gas hydrate hydrate saturation estimated from various well logs at the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope

MW Lee, TS Collett - Marine and Petroleum Geology, 2011 - Elsevier
In 2006, the US Geological Survey (USGS) completed detailed analysis and interpretation of
available 2-D and 3-D seismic data and proposed a viable method for identifying sub …

[HTML][HTML] The effect of methane hydrate morphology and water saturation on seismic wave attenuation in sand under shallow sub-seafloor conditions

AI Best, JA Priest, CRI Clayton, EVL Rees - Earth and planetary science …, 2013 - Elsevier
A better understanding of seismic wave attenuation in hydrate-bearing sediments is needed
for the improved geophysical quantification of seafloor methane hydrates, important for …