Subsurface seismic images of the structural framework encompassing the CO2 depository Weyburn reservoir in Saskatchewan, Canada

Z. Hajnal, B. Pandit, S. Sule, J. Closson

Research output: Chapter

Abstract

Advanced reprocessing and the analysis of a grid of ∼ 2000 km of digital, 2-D multifold seismic reflection data have defined the subsurface characteristics and regional span of known and new structural trends over the area surrounding the Weyburn reservoir. This chapter presents a study in which seismic data sets of very high quality, acquired along an overwhelming majority of 92 lines within a 1(X) km radius over the Weyburn reservoir, within the Canadian segment of the Williston Basin, were used. Historically, the basin is well known for easily observable and exceptional quality seismic observations. The data were processed with the most current signal enhancement procedures including post-stack time migrations (for all lines); in addition, depth migrations were carried out for 9 lines within the "risk-assessment area." The seismic results show the complexities of the basement unconformity. The subsidence and uplift of major basement blocks and prominent transcurrent shear zones were recognized. Several of these tectonic elements were active at periods of the tectonic evolution of the basin and influenced the depositional setting of the incoming sediments.

Original languageEnglish
Title of host publicationGreenhouse Gas Control Technologies
PublisherElsevier Ltd
Pages2131-2134
Number of pages4
ISBN (Print)9780080447049
DOIs
Publication statusPublished - 2005

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Tectonics
Subsidence
Risk assessment
Sediments

ASJC Scopus subject areas

  • Energy(all)

Cite this

Subsurface seismic images of the structural framework encompassing the CO2 depository Weyburn reservoir in Saskatchewan, Canada. / Hajnal, Z.; Pandit, B.; Sule, S.; Closson, J.

Greenhouse Gas Control Technologies. Elsevier Ltd, 2005. p. 2131-2134.

Research output: Chapter

Hajnal, Z. ; Pandit, B. ; Sule, S. ; Closson, J. / Subsurface seismic images of the structural framework encompassing the CO2 depository Weyburn reservoir in Saskatchewan, Canada. Greenhouse Gas Control Technologies. Elsevier Ltd, 2005. pp. 2131-2134
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