Geomechanical issues in the exploitation of natural gas hydrate

C Yan, X Ren, Y Cheng, B Song, Y Li, W Tian - Gondwana Research, 2020 - Elsevier
As a clean fossil fuel with great reserves, natural gas hydrate (NGH) is widely regarded as
an important future alternative energy source. NGH is widely distributed in onshore tundra …

Permeability of hydrate-bearing sediments

X Ren, Z Guo, F Ning, S Ma - Earth-Science Reviews, 2020 - Elsevier
Natural gas hydrate is one of the most potential carbon energy resources because of its
tremendous reserves. Gas and water permeability of natural gas hydrate-bearing sediments …

The response of temperature and pressure of hydrate reservoirs in the first gas hydrate production test in South China Sea

X Qin, Q Liang, J Ye, L Yang, H Qiu, W Xie, J Liang… - Applied Energy, 2020 - Elsevier
The first offshore natural gas hydrate production test of China in 2017 has proved the
feasibility of hydrate exploitation from clayey-silt reservoirs, which possesses the highest …

Gas production behavior from hydrate-bearing fine natural sediments through optimized step-wise depressurization

J Zhao, Y Liu, X Guo, R Wei, T Yu, L Xu, L Sun, L Yang - Applied Energy, 2020 - Elsevier
There have been several field tests around the world to recover natural gas from gas hydrate
reservoirs, yet they mostly suffer from the low productivity, sand problems and poor …

Numerical simulation of gas recovery from a low-permeability hydrate reservoir by depressurization

X Sun, T Luo, L Wang, H Wang, Y Song, Y Li - Applied energy, 2019 - Elsevier
A successful gas production trial in the South China Sea in 2017 proves that low-
permeability hydrate reservoirs have great gas production potential. To improve the …

Geological and geophysical features of and controls on occurrence and accumulation of gas hydrates in the first offshore gas-hydrate production test region in the …

W Zhang, J Liang, J Wei, P Su, L Lin, W Huang… - Marine and Petroleum …, 2020 - Elsevier
Integrated three-dimensional seismic, logging, sediment cores, and geochemical testing
data were collected from Guangzhou Marine Geological Survey 3 and 4 hydrate drilling …

Enhancement of gas production from methane hydrate reservoirs by the combination of hydraulic fracturing and depressurization method

Y Feng, L Chen, A Suzuki, T Kogawa, J Okajima… - Energy conversion and …, 2019 - Elsevier
The combination of hydraulic fracturing and depressurization method has been proposed to
enhance gas production efficiency from methane hydrate (MH) reservoirs. To evaluate the …

Permeability of hydrate-bearing fine-grained sediments: Research status, challenges and perspectives

Z Zhang, L Liu, W Lu, C Liu, F Ning, S Dai - Earth-Science Reviews, 2023 - Elsevier
Commercial development of natural gas hydrate, over 90% of which is found in fine-grained
sediments worldwide, is of significance to energy structure, energy security, and global …

Factors affecting the lower limit of the safe mud weight window for drilling operation in hydrate-bearing sediments in the Northern South China Sea

Q Li, J Wu - Geomechanics and Geophysics for Geo-Energy and …, 2022 - Springer
Maintaining wellbore stability is the basis and prerequisite for efficient methane production
from offshore gas hydrates. Nevertheless, owing to the invasion and disturbance by drilling …

Production performance and numerical investigation of the 2017 offshore methane hydrate production test in the Nankai Trough of Japan

T Yu, G Guan, A Abudula - Applied Energy, 2019 - Elsevier
Since the first offshore methane hydrate production test was conducted in the Nankai Trough
of Japan in 2013, the second production test was also conducted at the same test site in …