Time‐lapse crosswell tomography in the Athabasca Tar Sands

Anna Droujinina, Colin MacBeth, Patrick William Michael Corbett

Research output: Contribution to conferencePaper

1 Citation (Scopus)


Two crosswell seismic surveys were acquired in the Athabasca Tar Sands at Steepbank oil-sand reservoir before and after the start of the steam injection. The objectives of the survey were to monitor the shape and the movement of the steam zone and identify shale barriers effective enough to prevent steam from flooding the upper part of the reservoir. Since seismic velocities decrease with increase of temperature, any variations in compressional and shear wave velocities may indicate the advance of the steam zone. High resolution tomographic images have been derived from the crosswell data, using direct P- and shear wave arrival times. The direct shear wave arrival times have been identified using travel-time modeling. The initial velocity models have been reconstructed using horizontal rays between two wells and sonic log data.

Original languageEnglish
Number of pages4
Publication statusPublished - 2001
Event71st Annual International SEG Meeting 2001 - San Antonio, United States
Duration: 9 Sept 200114 Sept 2001


Conference71st Annual International SEG Meeting 2001
Country/TerritoryUnited States
CitySan Antonio

ASJC Scopus subject areas

  • Geophysics


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