GEOSCAN, résultats de la recherche


TitreA survey of Canadian Arctic offshore basins with satellite radar for reconnaissance mapping of natural seep occurrences
AuteurJauer, C D; Budkewitsch, P; Oakey, G N; Lavoie, D; Dewing, K
SourceProceedings, 2011 3P Arctic, The Polar Petroleum Potential Conference & Exhibition; par American Association of Petroleum Geologists (AAPG); 2011.
Séries alt.Secteur des sciences de la Terre, Contribution externe 20120145
ÉditeurAmerican Association of Petroleum Geologists
Réunion2011 3P Arctic, The Polar Petroleum Potential Conference & Exhibition; Halifax; CA; août 30 - Septembre 2, 2011
ProvinceRégion extracotière du nord; Région extracotière de l'est
SNRC16M; 16N; 27; 34D; 34E; 34L; 34M; 35D; 35E; 35I; 35J; 35K; 35L; 44; 45; 46A; 46G; 46H; 46I; 46P; 36; 37B; 37C; 47A; 47D; 38; 39
Lat/Long OENS -94.0000 -68.0000 77.0000 56.0000
Sujetssuintements d'huile; imagerie par satellite; collectes des données; imagerie radar; hydrocarbures; combustibles fossiles; géophysique
ProgrammeBassins sédimentaires de la baie de Baffin - Systèmes de pétrole dans l'Arctique canadien est (CAPSE), GEM : La géocartographie de l'énergie et des minéraux
Résumé(disponible en anglais seulement)
Foxe Basin, Hudson Bay Basin and Baffin Basin are collectively under explored and with rare exceptions exhibit few examples of an active petroleum system. With a total of almost 1,000,000 square kilometres in area, underpinned by few reconnaissance seismic sections, an opportunity was presented to incorporate alternative data sources, namely satellite radar, to assist with an exploratory review and resource assessment.
Environmental conditions under which radar data are acquired and the non-uniqueness of oil slicks on the sea surface make unambiguous determination of the presence of natural oil seeps problematic. A long-standing approach has been to reaffirm the presence of persistent seeps through repeat observations. More recently, correlation of the position of suspected seeps with subsurface seafloor pockmarks or mound-like structures of cold water coral reef development similar to that observed offshore Norway raises intriguing possibilities. First, it links persistent slick-like features observed in radar images to seafloor structures that suggest a long history and point to the presence of a petroleum system. In the absence of local sea floor data, location of suspected seeps could guide future investigations and illustrate the locations of potential new seeps previously not known.
Ice cover for much of the year limits the window of data collection opportunities. For these reasons, and to demonstrate persistence, a multi-year reconnaissance survey began in 2010 in support of the Geomapping for Energy (and Minerals) Program by the Geological Survey at Natural Resources Canada. This presentation will show first results from data collected in the eastern arctic and some of the data analysis technique being applied.