{"id":{"repo_id":"calgary","oai_identifier":"oai:ucalgary.scholaris.ca:1880/110175"},"canonical_url":"https://search.dev.ndltd.org/etd/calgary/oai:ucalgary.scholaris.ca:1880/110175","repository":{"repo_id":"calgary","name":"University of Calgary","base_url":"https://ucalgary.scholaris.ca/server/oai/request"},"display":{"title":"Processing of DAS and geophone VSP data from the CaMI Field Research Station","abstract":"The monitoring program of CO2 injection at the Field Research Station in Newell County Alberta includes diverse surveys and new technologies. The acquisition and processing of Vertical Seismic Profiles (VSP) were undertaken for this thesis. More specifically, the analysis of three different surveys: a walk around VSP for azimuthal anisotropy analysis, zero offset VSPs to test the emerging DAS technology and walk-away VSP to obtain imaging results for straight and helical wounded fibre optic cables. From the azimuthal analysis, the fast direction was identified to the northeast with an epsilon value (0.02) indicative of weak anisotropy. For the DAS VSP processing, a calibration step was necessary to register the precise depth of DAS traces; two approaches were completed and yielded similar results. Additionally, DAS strain rate measurements were converted to strain to compare it with geophone data. The excellent correlation between the 3D seismic lines and VSP-CDP stacks and the imaging results shows that DAS is a promising technology for subsurface imaging and monitoring.","abstract_html":"The monitoring program of CO2 injection at the Field Research Station in Newell County Alberta includes diverse surveys and new technologies. The acquisition and processing of Vertical Seismic Profiles (VSP) were undertaken for this thesis. More specifically, the analysis of three different surveys: a walk around VSP for azimuthal anisotropy analysis, zero offset VSPs to test the emerging DAS technology and walk-away VSP to obtain imaging results for straight and helical wounded fibre optic cables. From the azimuthal analysis, the fast direction was identified to the northeast with an epsilon value (0.02) indicative of weak anisotropy. For the DAS VSP processing, a calibration step was necessary to register the precise depth of DAS traces; two approaches were completed and yielded similar results. Additionally, DAS strain rate measurements were converted to strain to compare it with geophone data. The excellent correlation between the 3D seismic lines and VSP-CDP stacks and the imaging results shows that DAS is a promising technology for subsurface imaging and monitoring.","abstract_has_math":false,"creators":["Gordon Ferrebus, Adriana Josefina"],"institution":"Science","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Geoscience","degree_department":null,"school":null,"contributors":[],"advisors":["Lawton, Don C."],"committee_chairs":[],"committee_members":["Innanen, Kristopher A.","Shor, Roman J."],"year":2019,"date_issued":"2019-04-10","date_published":"2019-04-10","updated_at":"2026-07-24T01:30:25Z","subjects":["DAS","VSP","seismic"],"languages":["eng"],"rights":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["http://dx.doi.org/10.11575/PRISM/36368"],"render_values":[{"text":"http://dx.doi.org/10.11575/PRISM/36368","href":"http://dx.doi.org/10.11575/PRISM/36368","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1880/110175","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Lawton, Don C."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Innanen, Kristopher A.","Shor, Roman J."]},{"key":"dc:creator","label":"Author","values":["Gordon Ferrebus, Adriana Josefina"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-06"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-04-18T18:20:31Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2019-04-18T18:20:31Z"]},{"key":"dc:date.issued","label":"Date","values":["2019-04-10"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Calgary"]},{"key":"dc:type","label":"Dc Type","values":["master thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Geoscience"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Calgary"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["DAS","VSP","seismic"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. 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The excellent correlation between the 3D seismic lines and VSP-CDP stacks and the imaging results shows that DAS is a promising technology for subsurface imaging and monitoring."]},{"key":"dc:title","label":"Title","values":["Processing of DAS and geophone VSP data from the CaMI Field Research Station"]}]}],"canonical_facts":{"dc:contributor.advisor":["Lawton, Don C."],"dc:contributor.committeemember":["Innanen, Kristopher A.","Shor, Roman J."],"dc:creator":["Gordon Ferrebus, Adriana Josefina"],"dc:date":["2019-06"],"dc:date.accessioned":["2019-04-18T18:20:31Z"],"dc:date.available":["2019-04-18T18:20:31Z"],"dc:date.issued":["2019-04-10"],"dc:description.abstract":["The monitoring program of CO2 injection at the Field Research Station in Newell County Alberta includes diverse surveys and new technologies. The acquisition and processing of Vertical Seismic Profiles (VSP) were undertaken for this thesis. 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