Gas recovery from silty hydrate reservoirs by using vertical and horizontal well patterns in the South China Sea: Effect of well spacing and its optimization

J Sun, F Qin, F Ning, Y Gu, Y Li, X Cao, P Mao, T Liu… - Energy, 2023 - Elsevier
Low productivity is the key to restrict the commercial development of hydrates. Due to the
advantage of integration, the multi-well pattern is a promising way to obtain high gas …

Systematic analysis of reservoir properties on gas recovery from natural gas hydrate by multi-branch vertical wells: Examples from the Shenhu Sea of China

H Ye, D Chen, X Wu, D Li, Y Yu, M Zi - Gas Science and Engineering, 2024 - Elsevier
Available studies indicate that a multi-branch vertical well (MVW) may be the most
appropriate well type for natural gas hydrate (NGH) exploitation, and the effect of branch …

Enhancement of gas production from low-permeability hydrate by radially branched horizontal well: Shenhu Area, South China Sea

G Jin, Y Peng, L Liu, Z Su, J Liu, T Li, D Wu - Energy, 2022 - Elsevier
A high gas production rate is critical for commercial exploitation of hydrate. Most marine
hydrates deposit in the silty or clay sediments with low permeability, and gas production rate …

[HTML][HTML] Improving gas production of hydrate deposits by increasing reservoir permeability nearby production well in the South China Sea

P Shen, Z Sun, Y Luo, X Li, C Xiao - Energy Reports, 2022 - Elsevier
The hydrate deposits in offshore were mainly hosted in the clayey silt sediments, which had
the characteristics of looseness and low permeability. Improving the permeability of hydrate …

Effects of the vertical heterogeneity on the gas production behavior from hydrate reservoirs simulated by the fine sediments from the South China Sea

K Shi, Z Wang, Y Jia, Q Li, X Lv, T Wang, L Zhang… - Energy, 2022 - Elsevier
There have been several field tests worldwide to recover natural gas from marine gas
hydrate reservoirs. The resulting intrinsic characteristics of the sediments are recognized as …

Study on gas hydrate reservoir reconstruction for enhanced gas production in the Shenhu Area of the South China Sea based on a 3D heterogeneous geological …

Y Li, T Xu, X Xin, H Wang, H Zhu - Energy & Fuels, 2022 - ACS Publications
Natural gas hydrate (NGH) has the huge exploitation potential for clean energy in the current
world energy pattern. Its total organic carbon storage is about twice the sum of carbon …

Numerical simulation of gas production from natural gas hydrate deposits with multi-branch wells: influence of reservoir properties

P Zhang, Y Zhang, W Zhang, S Tian - Energy, 2022 - Elsevier
Vast amounts of natural gas hydrate are buried in subseafloor sediments without
impermeable boundaries, which is recognized as an essential energy source for the future …

Enhanced gas production efficiency of class 1, 2, 3 hydrate reservoirs using hydraulic fracturing technique

J Xu, H Qin, H Li, C Lu, S Li, D Wu - Energy, 2023 - Elsevier
Current gas hydrate production test indicates that it is difficult to reach the commercial level
for low permeability hydrate-bearing formation by depressurization method. Hydraulic …

Optimization of gas production from marine methane hydrate deposit induced by horizontal well

H Yu, T Xu, X Xin, Y Yuan, G Feng, Q Chen, Z Yu - Energy & Fuels, 2021 - ACS Publications
Methane hydrate (MH) has attracted increasing interest as one potential alternative clean
energy. However, creating efficient MH field tests is a great challenge faced by the industry …

Numerical simulation of the improved gas production from low permeability hydrate reservoirs by using an enlarged highly permeable well wall

J Zhang, X Li, Z Chen, Q Li, G Li, T Lv - Journal of petroleum science and …, 2019 - Elsevier
Gas production from low-permeability hydrate reservoirs is characterized by very low
efficiency. In this work, the enlarged well wall with good permeability was first proposed to …