A review of rock physical models for elastic properties characterization of gas hydrate bearing sediments

H Yuan, D Han, Y Wang - Journal of Petroleum Science and Engineering, 2022 - Elsevier
Gas hydrate is mainly explored through seismic methods, which, however, are bedeviled by
the problem of uncertainty due to lack of constraints. Rock physics model links the physical …

Depositional architecture and evolution of Quaternary submarine canyon-fan system in the Baiyun Sag of the Pearl River Mouth Basin, northern South China Sea

Z Lin, M Su, H Zhuo, H Chen, J **, S Huang… - Marine and Petroleum …, 2024 - Elsevier
Submarine canyons in the shelf margin usually serve as essential conduits for delivering
sediments to slopes and basins and coevally develop turbidite reservoirs within deep-water …

Geophysical characterization of a fine-grained gas hydrate reservoir in the Shenhu area, northern South China Sea: Integration of seismic data and downhole logs

J Wang, S Wu, X Kong, Q Li, J Wang, R Ding - Marine and Petroleum …, 2018 - Elsevier
High concentrated gas hydrate deposits in fine-grained sediment are proved to be eligible
for exploitation with the current technology. Nevertheless, new insights and more …

[HTML][HTML] Application of unlabelled big data and deep semi-supervised learning to significantly improve the logging interpretation accuracy for deep-sea gas hydrate …

L Zhu, J Wei, S Wu, X Zhou, J Sun - Energy Reports, 2022 - Elsevier
Due to the extremely complex reservoirs and strong heterogeneity, deep-sea gas hydrate
logging porosity calculations still have problems, which further leads to insufficient resource …

Seismic rock physical modelling for gas hydrate-bearing sediments

X Liu, X Yin, X Luan - Science China Earth Sciences, 2018 - Springer
There are ambiguities and uncertainties in the recognition of gas hydrate seismic reflections
and in quantitative predictions of physical information of natural gas hydrate reservoirs from …

[HTML][HTML] Delineation of discontinuity using multi-channel seismic attributes: An implication for identifying fractures in gas hydrate sediments in offshore Mahanadi basin

N Rai, DK Singha, PK Shukla, K Sain - Results in Geophysical Sciences, 2020 - Elsevier
Seismic attributes derived from post stack seismic data are important tools to delineate and
characterize the subsurface geological features and discontinuities such as fracture, fault …

[PDF][PDF] Gas hydrates: A possible future energy resource

K Sain - Geological Society of India, 2017 - indianjournalofcapitalmarkets.com
Background Gas hydrates are found globally in shallow sediments along the outer
continental margins and permafrost regions, and are considered to be a major fuel resource …

Possible link between weak bottom simulating reflections and gas hydrate systems in fractures and macropores of fine-grained sediments: Results from the Hikurangi …

H Bai, IA Pecher, L Adam, B Field - Marine and Petroleum Geology, 2016 - Elsevier
Small amounts of free gas in interstitial sediment pores are known to significantly lower
compressional (P-) wave velocity (Vp). This effect, combined with moderately elevated Vp …

Characterisation of gas hydrate-hosted media using fractal analysis of geophysical logs: a case study from Krishna-Godavari basin

B Mukherjee, S Konar, K Sain - Carbonates and Evaporites, 2024 - Springer
We investigated the fractal characteristics of geophysical logs in gas hydrate-bearing media
to improve quantitative reservoir analyses. We implemented Detrended Fluctuation Analysis …

An insight into shallow gas hydrates in the Dongsha area, South China Sea

B Liu, J Chen, LM Pinheiro, L Yang, S Liu… - Acta Oceanologica …, 2021 - Springer
Previous studies of gas hydrate in the Dongsha area mainly focused on the deep-seated
gas hydrates that have a high energy potential, but cared little about the shallow gas …