Potential contaminant pathways from hydraulically fractured shale to aquifers

T Myers - Groundwater, 2012 - Wiley Online Library
Hydraulic fracturing of deep shale beds to develop natural gas has caused concern
regarding the potential for various forms of water pollution. Two potential pathways …

Analytical solutions for leakage rates through abandoned wells

JM Nordbotten, MA Celia… - Water Resources Research, 2004 - Wiley Online Library
Disposal of waste fluids via injection into deep saline aquifers is practiced in a variety of
industries. Injection takes place in sedimentary basins that often have a history of oil and gas …

Flow modeling and permeability estimation using borehole flow logs in heterogeneous fractured formations

FL Paillet - Water Resources Research, 1998 - Wiley Online Library
A numerical model of flow in the vicinity of a borehole is used to analyze flowmeter data
obtained with high‐resolution flowmeters. The model is designed to (1) precisely compute …

Influence of leaky boreholes on cross‐formational groundwater flow and contaminant transport

S Lacombe, EA Sudicky, SK Frape… - Water Resources …, 1995 - Wiley Online Library
Abandoned and improperly sealed boreholes, monitoring wells, and water supply wells are
common features at many contaminated sites. These features can act as conduits that …

Semi-Analytical Solution to Assess CO2 Leakage in the Subsurface through Abandoned Wells

T Qiao, H Hoteit, M Fahs - Energies, 2021 - mdpi.com
Geological carbon storage is an effective method capable of reducing carbon dioxide (CO2)
emissions at significant scales. Subsurface reservoirs with sealing caprocks can provide …

Analytical solutions for brine invasion across caprock and leakage through an abandoned well in CO2 storage sites

AK Das, H Hassanzadeh - Journal of Hydrology, 2023 - Elsevier
Success in subsurface CO 2 storage requires a trapping mechanism that inhibits the flow of
storage layer fluid. Due to the wide prevalence of abandoned wells across geological …

Evaluation of flow leakage through abandoned wells and boreholes

CB Avci - Water Resources Research, 1994 - Wiley Online Library
Flow leakage through abandoned wells and improperly plugged boreholes drilled between
hydrogeologically separated water‐bearing zones represent potential pathways of …

[HTML][HTML] A multi-stage screening approach to evaluate risks from inter-aquifer leakage associated with gas well and water bore integrity failure

R Doble, D Mallants, C Huddlestone-Holmes… - Journal of …, 2023 - Elsevier
Integrity failure of wells in gas resource developments poses a potential risk to groundwater
resource quality and quantity by enhancing the connectivity and fluid migration between a …

A new method to characterize hydraulic short‐circuits in defective borehole seals

R Chesnaux, RP Chapuis, JW Molson - Groundwater, 2006 - Wiley Online Library
A new approach has been developed to detect, characterize, and quantify hydraulic short‐
circuits in boreholes with faulty seals. The methodology, applicable to an aquifer‐aquitard …

Cautions and suggestions for geochemical sampling in fractured rock

AM Shapiro - Groundwater Monitoring & Remediation, 2002 - Wiley Online Library
Collecting water samples for geochemical analyses in open bedrock boreholes or in
discrete intervals of boreholes intersected by multiple fractures is likely to yield ambiguous …