Enhancing gas recovery from natural gas hydrate reservoirs in the eastern Nankai Trough: Deep depressurization and underburden sealing

Y Gu, J Sun, F Qin, F Ning, X Cao, T Liu, S Qin… - Energy, 2023 - Elsevier
Depressurization is recognized as the most effective way to recover natural gas hydrate.
However, the bottomhole pressure is usually controlled above the quadruple point and few …

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 Glucose on CH4 Hydrate Formation in Clay Nanopores and Bulk Solution: Insights from Microsecond Molecular Dynamics Simulations

F Mi, Z He, G Jiang, F Ning - ACS Sustainable Chemistry & …, 2024 - ACS Publications
A microscopic insight into the formation and growth of CH4 hydrate in glucose solution is
vital to understand the accumulation of natural gas hydrate resources and develop hydrate …

Effects of marine environments on methane hydrate formation in clay nanopores: A molecular dynamics study

F Mi, Z He, G Jiang, F Ning - Science of The Total Environment, 2022 - Elsevier
In nature, CH 4 hydrates are mainly buried in marine sediments. The complex marine
environments on the seafloor continuously affect hydrate formation. Herein, systematic …

Molecular insights into the effects of lignin on methane hydrate formation in clay nanopores

M Fengyi, H Zhongjin, J Guosheng, N Fulong - Energy, 2023 - Elsevier
The formation behavior of CH 4 hydrates in marine sediments is inevitably affected by lignin
molecules, but the exact molecular mechanism remains unclear. Herein, microsecond …

Molecular dynamics simulation on methane hydrate formation in clay nanopores of edge surfaces

F Mi, Z He, L Cheng, G Jiang, F Ning - Applied Clay Science, 2023 - Elsevier
Natural gas hydrates are predominantly buried in clay sediments in natural environments,
where are some edge surfaces of clay particles directly contacting the hydrates. However …

Missing sonic logs generation for gas hydrate-bearing sediments via hybrid networks combining deep learning with rock physics modeling

Z Li, J Xia, Z Liu, G Lei, K Lee… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Logging-while-drilling (LWD) sonic data are critical for marine gas hydrate reservoir
evaluation and production prediction. However, acquiring complete acoustic logs …

[HTML][HTML] Fines effect on gas flow in sandy sediments using μCT and pore networks

JA Hannun, RI Al-Raoush, ZA Jarrar, KA Alshibli… - Journal of Natural Gas …, 2022 - Elsevier
Gas production from hydrate-bearing sediments requires methane dissociation, which
induces two-phase gas flow, mobilizing fine clay particles from within saturated pores. Fines …

Enhancing gas production in low-permeability natural gas hydrate reservoirs by the axial water jet slotting and grouting in vertical wellbores

M Huang, L Wu, D Su, Z Zhao, M Zhang - Gas Science and Engineering, 2023 - Elsevier
Natural gas hydrate (NGH) is considered as clean energy in the 21st century, and most of
the hydrates in the world exist in low permeability reservoirs. However, the exploitation of …

A new theoretical model incorporating geomechanical effects for hydrate dissociation in sediments under thermal stimulation

X Li, G Lei, Y Wan, W Cheng, J Sun, F Ning - Geoenergy Science and …, 2023 - Elsevier
Previous analytical models for hydrate dissociation under thermal stimulation usually
focused on heat and mass transfer while ignoring geomechanical effects. However, it is …