Research progress and scientific challenges in the depressurization exploitation mechanism of clayey-silt natural gas hydrates in the northern South China Sea

C Lu, X Qin, J Sun, R Wang… - Advances in Geo-Energy …, 2023 - ager.yandypress.com
Natural gas hydrate reservoirs in the northern South China Sea primarily comprise clayey
silt, making exploitation more challenging relative to sandy reservoirs in other countries and …

[HTML][HTML] A review of the gas hydrate phase transition with a microfluidic approach

Q Liu, Y Liu, J Xu, Y Teng, Z Ling, Y Zhang, L Jiang… - Energy Reviews, 2023 - Elsevier
Over the years, natural gas hydrates (NGHs) have attracted significant attention as an
emerging energy resource. Microfluidics is a novel technology used to observe the …

Long-term numerical simulation of a joint production of gas hydrate and underlying shallow gas through dual horizontal wells in the South China Sea

R Wei, Y **a, Z Wang, Q Li, X Lv, S Leng, L Zhang… - Applied Energy, 2022 - Elsevier
Recent field tests to recover natural gas from marine gas hydrate reservoirs in Japan and
China have exhibited worldwide attention to this strategic energy form; significant …

Optimization of the natural gas hydrate hot water injection production method: Insights from numerical and phase equilibrium analysis

Z Zhang, Y Li, S Li, J He, X Li, T Xu, C Lu, X Qin - Applied Energy, 2024 - Elsevier
The heat injection during depressurization is a crucial technique for sustaining the long-term
gas production rate of natural gas hydrate. To analyze the production patterns and …

Effects of South China Sea clayey-silty sediments on the kinetics and morphology of CH4 hydrate: Implication on energy recovery

J Ren, Z Yin, H Lu, C Xu, Z Kuang, W Deng, Y Liu… - Applied Energy, 2024 - Elsevier
Clayey-silty hydrate-bearing sediments are widely distributed worldwide, presenting
significant potential for natural gas hydrate (NGH) extraction. However, fundamental …

A cement hydration kinetics model and its application in designing cement formulation for natural gas hydrate well

Y Xue, C Wang, J Liu, J Sun, Z Chen, Y **a… - Cement and Concrete …, 2024 - Elsevier
To guide the research and development of cement slurries with low hydration heat release
for natural gas hydrates (NGHs), the effects of fly ash (FA) and phase-change material …

Comprehensive effects of heat and flow on the methane hydrate dissociation in porous media

Z Zhang, T Xu, S Li, X Li, MJB Montilla, C Lu - Energy, 2023 - Elsevier
The dissociation of methane hydrate in porous media is a heat flow coupling process. In this
paper, we established a heat flow coupling algorithm for hydrate dissociation. A core-scale …

Numerical analysis on gas production performance by using a multilateral well system at the first offshore hydrate production test site in the Shenhu area

X Cao, J Sun, F Qin, F Ning, P Mao, Y Gu, Y Li… - Energy, 2023 - Elsevier
Multilateral well technique is a promising approach to enhance gas recovery, especially in
heterogeneous hydrate reservoirs with underlying free gas. However, little is known about …

Effect of gas hydrate formation and dissociation on porous media structure with clay particles

Y Feng, A Qu, Y Han, C Shi, Y Liu, L Zhang, J Zhao… - Applied Energy, 2023 - Elsevier
Natural gas hydrates are a potential future energy modality with the advantages of clean
burning and large resource reserves and have attracted worldwide attention. Natural gas …

Sand-rich gas hydrate and shallow gas systems in the Qiongdongnan Basin, northern South China Sea

J Ren, C Cheng, P **ong, Z Kuang, J Liang… - Journal of Petroleum …, 2022 - Elsevier
In 2019, the sand-rich gas hydrate and shallow gas (GHSG) reservoirs have been drilled in
the Qiongdongnan Basin, northern South China Sea. As a conventional energy resource …