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TitleAssessing groundwater vulnerability to unconventional resources development in southern New Brunswick / Évaluation de la vulnérabilité des aquifères aux activités gazières non conventionnelles dans le sud du Nouveau-Brunswick
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AuthorRivard, C
SourcePublic presentations of May 8th, 2018: Environmental Geoscience Program, current status of research projects, May 2018; by Jacob, N; Kao, H; Galloway, J; Parsons, M; White, D; Larmagnat, S; Rivard, C; Gammon, P; Savard, M M; Geological Survey of Canada, Scientific Presentation 88, 2018 p. 93-107, https://doi.org/10.4095/308299
Year2018
PublisherNatural Resources Canada
Documentserial
Lang.English
Mediaon-line; digital
RelatedThis publication is contained in Jacob, N; Kao, H; Galloway, J; Parsons, M; White, D; Larmagnat, S; Rivard, C; Gammon, P; Savard, M M; (2018). Public presentations of May 8th, 2018: Environmental Geoscience Program, current status of research projects, May 2018, Geological Survey of Canada, Scientific Presentation no. 88
File formatpdf
ProvinceNew Brunswick
NTS21H/10; 21H/11; 21H/12; 21H/13; 21H/14; 21H/15; 21I/02; 21I/03; 21I/04
AreaSussex; Elgin
Lat/Long WENS -65.5842 -64.9228 46.0244 45.5872
Subjectsenvironmental geology; fossil fuels; hydrogeology; structural geology; geophysics; engineering geology; geochemistry; petroleum resources; hydrocarbon recovery; hydrocarbon processing; gas; condensate; ethane; propane; butane; environmental studies; environmental impacts; pollutants; bedrock geology; lithology; sedimentary rocks; black shales; sandstones; evaporites; structural features; faults; groundwater resources; aquifers; water quality; boreholes; geophysical logging; well logging; observation wells; geophysical surveys; seismic surveys; deformation; groundwater levels; reservoir pressures; methane; hydraulic fracturing; fluid migration; fluid flow; reservoir rocks; isotopic studies; core samples; water wells; groundwater geochemistry; permeability; porosity; densities; x-ray fluorescence analyses; organic geochemistry; McCully gas field; Elgin gas field; Windsor Group; Mabou Group; Sussex Group; Hiram Brook Member; Frederick Brook Formation; Horton Group; unconventional oil and gas; confinement conditions; monitoring; thermogenic gas; rock-eval analyses; Phanerozoic; Paleozoic; Carboniferous; Devonian
Illustrationslocation maps; schematic cross-sections; photographs; cross-sections; seismic images; seismic profiles; core logs; geological sketch maps; graphs; stratigraphic columns
ProgramManagement, Environmental Geoscience
ProgramecoENERGY Innovation Initiative
ProgramProgram of Energy Research and Development (PERD)
Released2018 06 27; 2018 07 04
AbstractCollected information during 2017-2018 provided interesting and unexpected results. For instance: 1) borehole logging in wells drilled with two different techniques provided different results. Thus, two additional wells will be drilled next year to provide more info. This represents a great opportunity to reconcile data, as hammer-drilled wells are much less expensive than diamonddrilled wells, but validity of data from the former wells needs to be ascertained; 2) results from barometric and water-level monitoring provided new information for the interpretation of the confinement conditions (unconfined, semi-confined or confined) of each well; 3) Regular groundwater monitoring revealed that, contrary to what the traditional indicators such as gas dryness ratio and delta-13C(CH4) seemed to indicate, only one well would in fact contain thermogenic gas, while the other thermogenic?like samples would rather correspond to microbial methane affected by oxidation, based on calculations using documented isotopic fractionation factors; 4) The study of the re-processed seismic lines led to the re?intepretation of the deformation of evaporite deposits of the Windsor Group and its impact on sedimentary packages.
GEOSCAN ID308299