[HTML][HTML] Geologic sources and well integrity impact methane emissions from orphaned and abandoned oil and gas wells
The 160-year history of oil and gas drilling in the United States has left a legacy of
unplugged orphaned and abandoned wells, some of which are leaking methane and other …
unplugged orphaned and abandoned wells, some of which are leaking methane and other …
Solute reactive tracers for hydrogeological applications: a short review and future prospects
Tracer testing is a mature technology used for characterizing aquatic flow systems. To gain
more insights from tracer tests a combination of conservative (non-reactive) tracers together …
more insights from tracer tests a combination of conservative (non-reactive) tracers together …
An ensemble one dimensional convolutional neural network with Bayesian optimization for environmental sound classification
With the growth of deep learning in various classification problems, many researchers have
used deep learning methods in environmental sound classification tasks. This paper …
used deep learning methods in environmental sound classification tasks. This paper …
Predicting methane solubility in water and seawater by machine learning algorithms: Application to methane transport modeling
The upward migration of methane from natural gas wells associated with fracking operations
may lead to contamination of groundwater resources and surface leakage. Numerical …
may lead to contamination of groundwater resources and surface leakage. Numerical …
Nonlinear autoregressive neural networks to predict hydraulic fracturing fluid leakage into shallow groundwater
Hydraulic fracturing of horizontal wells is an essential technology for the exploitation of
unconventional resources, but led to environmental concerns. Fracturing fluid upward …
unconventional resources, but led to environmental concerns. Fracturing fluid upward …
Assessment of soil heavy metal pollution and its ecological risk for city parks, vicinity of a landfill, and an industrial area within Guangzhou, South China
H Zhou, T Ouyang, Y Guo, S Peng, C He, Z Zhu - Applied Sciences, 2022 - mdpi.com
As a primary sink of pollutants, urban soil heavy metal pollution and its influence on urban
residents and ecosystems has been becoming one of the most important environmental …
residents and ecosystems has been becoming one of the most important environmental …
Fracturing fluids and their application in the Republic of Croatia
Hydraulic fracturing operations are performed to enhance well performance and to achieve
economic success from improved production rates and the ultimate reserve recovery. To …
economic success from improved production rates and the ultimate reserve recovery. To …
A fuzzy bayesian network based method for CO2 leakage risk evaluation during geological sequestration process
M Bai, Z Zhang, E Yang, S Du - Geoenergy Science and Engineering, 2023 - Elsevier
CO 2 leakage risk is a critical threat to a safe and long-term storage of CO 2 in the
underground space. However, there is a lack of effective risk assessment methods for CO 2 …
underground space. However, there is a lack of effective risk assessment methods for CO 2 …
[HTML][HTML] Impact of groundwater flow on methane gas migration and retention in unconsolidated aquifers
Methane leaking at depth from hydrocarbon wells poses an environmental and safety
hazard. However, determining the occurrence and magnitude of gas migration at ground …
hazard. However, determining the occurrence and magnitude of gas migration at ground …
Modeling fate and transport of hydraulic fracturing fluid in the presence of abandoned wells
Hydraulic fracturing in shale/tight gas reservoirs creates fracture network systems that can
intersect pre-existing subsurface flow pathways, eg fractures, faults or abandoned wells …
intersect pre-existing subsurface flow pathways, eg fractures, faults or abandoned wells …