The Blackfoot high‐resolution 3‐C seismic survey: Design and initial results

Brian H. Hoffe, Robert R. Stewart, Henry C. Bland, Eric V. Gallant, Malcolm B. Bertram
1998 SEG Technical Program Expanded Abstracts 1998   unpublished
During November 1997, the CREWES Project at the University of Calgary acquired a high-resolution seismic survey at the Blackfoot field located southwest of Calgary. The 3 km 3C-2D survey consisted of recording dynamite shots into "conventional" (20 metre), high-resolution (2 m) and buried (6, 12 and 18 m) receiver arrays. A walk-away AVO VSP was also acquired by simultaneously recording the shots at four different depths in a well adjacent to the seismic profile. Shot gathers of both vertical
more » ... of both vertical and radial components show good reflection data with a high signal-to-noise ratio. The transverse component data appears to contain very little reflection energy. Examination of receiver gathers of the same station at differing geophone depths show that the geophone depth has an effect on frequency content. Structural and migrated P-P and P-S stacks of the "conventional" (20 m shot spacing, 20 m receiver spacing) portion of the survey also posses a high S/N ratio. A cursory examination of these sections (available only one day before publication) show that they adequately image the target area. The analysis of the data from all the different portions of the survey remains as future work.
doi:10.1190/1.1820062 fatcat:cw526o2sdzaovhohhtv2xkypnu