Review of techniques, challenges, and gaps in the subsurface gas release knowledge base

O Srour, KE Kakosimos, LN Vechot - Science of the Total Environment, 2024 - Elsevier
Underground pipelines serve as critical infrastructure for gas transmission, strategically
buried for safety, environmental, and economic considerations. Despite their importance …

Study on numerical simulation of leakage and diffusion law of parallel buried gas pipelines in tunnels

F Zeng, Z Jiang, D Zheng, M Si, Y Wang - Process Safety and …, 2023 - Elsevier
Parallel buried gas pipelines in tunnels are located in a confined space environment, where
natural gas is vulnerable to accumulating to the minimum explosion limit concentration after …

Vehicle–canine collaboration for urban pipeline methane leak detection

H Lu, D Xi, Y Xiang, Z Su, YF Cheng - Nature Cities, 2025 - nature.com
Urban areas are experiencing the expansion of distribution pipeline networks due to the
transition from coal to natural gas for reducing carbon emissions. However, methane leaks …

Numerical simulation-based pinhole leakage characteristics and hazard boundaries of buried natural gas risers

C Liu, J An, C Xie, H Wu, Z Zhang - Process Safety and Environmental …, 2024 - Elsevier
Abstracts Corrosion, ageing, and other failure factors pose safety hazards to underground
natural gas pipelines. In actual rescue operations, in addition to paying attention to leakage …

[HTML][HTML] Using controlled subsurface releases to investigate the effect of leak variation on above-ground natural gas detection

M Mbua, SN Riddick, S Tian, F Cheptonui… - Gas Science and …, 2023 - Elsevier
Pipelines transport natural gas (NG) in all stages between production and the end user. The
NG composition, pipeline depth, and pressure vary significantly between extraction and …

A closer look at underground natural gas pipeline leaks across the United States

Y Cho, KM Smits, NL Steadman, BA Ulrich… - Elem Sci …, 2022 - online.ucpress.edu
Underground natural gas (NG) pipeline leakage can result in methane (CH4) buildup and
migration through the soil. What is not well understood in such scenarios is how the soil …

Early Detection of Pipeline Natural Gas Leakage from Hyperspectral Imaging by Vegetation Indicators and Deep Neural Networks

P Ma, TG Mondal, Z Shi… - Environmental …, 2024 - ACS Publications
The timely detection of underground natural gas (NG) leaks in pipeline transmission systems
presents a promising opportunity for reducing the potential greenhouse gas (GHG) …

Estimating methane emissions from underground natural gas pipelines using an atmospheric dispersion-based method

S Tian, KM Smits, Y Cho, SN Riddick… - Elem Sci …, 2022 - online.ucpress.edu
Methane (CH4) leakage from natural gas (NG) pipelines poses an environmental, safety,
and economic threat to the public. While previous leak detection and quantification studies …

Flow and Transport of Methane from Leaking Underground Pipelines: Effects of Soil Surface Conditions and Implications for Natural Gas Leak Classification

JRRN Jayarathne, D Zimmerle… - … & Technology Letters, 2024 - ACS Publications
Reducing methane (CH4) emissions from natural gas (NG) pipeline leaks is crucial to
minimize global warming while also providing key safety benefits to communities. What is …

[HTML][HTML] Influence of soil-gas diffusivity on expansion of leaked underground natural gas plumes and application on simulation efforts

JRRN Jayarathne, RS Kolodziej, SN Riddick… - Journal of …, 2023 - Elsevier
A proper understanding of subsurface gas migration patterns resulting from belowground
natural gas (NG) infrastructure is essential for safe and efficient first responder operations …