Reducing oil and gas well leakage: a review of leakage drivers, methane detection and repair options

K El Hachem, M Kang - Environmental Research: Infrastructure …, 2023 - iopscience.iop.org
Oil and gas wells (OGWs) with integrity failures can be a conduit for methane and
contaminant leakage to groundwater aquifers, surface water bodies and the atmosphere …

[HTML][HTML] Geologic sources and well integrity impact methane emissions from orphaned and abandoned oil and gas wells

NJ Gianoutsos, KB Haase, JE Birdwell - Science of the Total Environment, 2024 - Elsevier
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 …

Environmental risks and opportunities of orphaned oil and gas wells in the United States

M Kang, J Boutot, RC McVay, KA Roberts… - Environmental …, 2023 - iopscience.iop.org
Hundreds of thousands of documented and undocumented orphaned oil and gas wells exist
in the United States (US). These wells have the potential to contaminate water supplies …

Methane Emissions from Abandoned Oil and Gas Wells in Alberta and Saskatchewan, Canada: The Role of Surface Casing Vent Flows

LV Bowman, K El Hachem, M Kang - Environmental Science & …, 2023 - ACS Publications
Abandoned oil and gas wells can act as leakage pathways for methane, a potent
greenhouse gas, and other fluids to migrate through the subsurface and to the atmosphere …

Oil and natural gas wells across the NASA ABoVE domain: fugitive methane emissions and broader environmental impacts

LA Klotz, O Sonnentag, Z Wang… - Environmental …, 2023 - iopscience.iop.org
Arctic-boreal regions are experiencing major anthropogenic disturbances in addition to
intensifying natural disturbance regimes as a consequence of climate change. Oil and …

Impact of unrecovered shale gas reserve on methane emissions from abandoned shale gas wells

Y Yang, S Liu, H Ma - Science of the Total Environment, 2024 - Elsevier
Shale gas, with its abundance and lower carbon footprint compared to other fossil fuels, is
an important bridge fuel in the ongoing energy transition. However, a notable concern in …

A holistic review on wellbore integrity challenges associated with underground hydrogen storage

DM Fernandez, H Emadi, A Hussain… - International Journal of …, 2024 - Elsevier
Abstract Underground Hydrogen Storage (UHS), especially in depleted oil and gas
reservoirs is becoming increasingly attractive as a solution to H 2 large-scale seasonal …

Information extraction from historical well records using a large language model

Z Ma, JE Santos, G Lackey, H Viswanathan… - Scientific Reports, 2024 - nature.com
To reduce environmental risks and impacts from orphaned wells (abandoned oil and gas
wells), it is essential to first locate and then plug these wells. Manual reading and digitizing …

Unlocking solutions: Innovative approaches to identifying and mitigating the environmental impacts of undocumented orphan wells in the united states

D O'Malley, AA Delorey, EJ Guiltinan… - Environmental …, 2024 - ACS Publications
In the United States, hundreds of thousands of undocumented orphan wells have been
abandoned, leaving the burden of managing environmental hazards to governmental …

Aerial imagery dataset of lost oil wells

A Kim, T Kadeethum, C Downs, HS Viswanathan… - Scientific Data, 2024 - nature.com
Orphaned wells are wells for which the operator is unknown or insolvent. The location of
hundreds of thousands of these wells remain unknown in the United States alone. Cost …