Perspective and General Information
Published:January 01, 1995
1995. "Perspective and General Information", Sequence Stratigraphy in Offshore South African Divergent Basins: An Atlas on Exploration for Cretaceous Lowstand Traps by Soekor (Pty) Ltd., L. F. Brown, Jr., J. M. Benson, G. J. Brink, S. Doherty, A. Jollands, E. H. A. Jungslager, J. H. G. Keenan, A. Muntingh, N. J. S. van Wyk, G. J. Brink, N. J. S. van Wyk, L. F. Brown, Jr., K. R Barton, K. J Bate, S. R Carney, A. A. Fraser, N. Fraser, H. J. Gouws, M. G. Guest, K. A. Kitchin, H. W. Pferdekämper, J. Turner, V. H. Valicenti, G. W. J. Beamish, D. S. Broad, P. J. Buck, P. L. A. Burden, C. P. N. Davies, J. Fouché, C. E. Gilbert, K. Hodges, J. J. Maier, S. P. Petrie, S. H. Robson, J. Roux, G. J. Smit, J. Turner, V. H. Valicenti, D. Van Der Spuy, T. Webb, S. J. Winters, H. T. Buhrmann, R. D. P. Noble, P. J. Strauss
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Development and application of seismic stratigraphy in exploration have been underway worldwide for more than two decades. The application of modern sequence stratigraphy, however, is only beginning. Recent proliferation of continuing education courses on the subject clearly indicates the growing level of international interest in understanding and evaluating these new ideas and methods. Standing-room-only crowds attending sequence stratigraphy presentations at recent international and regional geologic and geophysical annual meetings show how popular the subject has become during the past several years. Since 1990, most companies have been sponsoring in-house courses and workshops. Most professional meetings have scheduled one or more courses on some aspect of sequence stratigraphy. Within many companies, individual explorationists have begun to study and attempt to apply recently published concepts and procedures.
Management in other companies is mandating that these new tools be applied in all future prospecting and field development.
Geoscientists at Soekor (Pty) Ltd. conceived this atlas in response to the recent growing interest in the subject and because of the limited number of published case histories that document the application of sequence stratigraphy. Sequence stratigraphy provides some very powerful chronostratigraphic and play prediction tools for exploration, as well as an unusual stratigraphic perspective required for subsequent field development and reservoir characterization. A need exists for real world examples that provide sufficient basic data to enable geoscientists to evaluate the practical application and contribution of sequence stratigraphy to an active exploration and drilling program. This atlas is thus designed to document examples of how these
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Sequence Stratigraphy in Offshore South African Divergent Basins: An Atlas on Exploration for Cretaceous Lowstand Traps by Soekor (Pty) Ltd.
“Sequence Stratigraphy in Offshore South African Divergent Basins” is the result of an offshore exploration and drilling program by Soekor (Pty) Ltd in the Republic of South Africa beginning in 1987. Seismic stratigraphic data and borehole information were incorporated and released in what was one of the first detailed and comprehensive published examples of the new field of sequence stratigraphy. The project was conducted over a South African offshore area of 175,000 km2, in the Pletmos, Bredasdorp, and Orange basins, which are examples of divergent basins associated with the breakup of Gondwana. Thirty-four third-order Cretaceous sequences between 126 and 67 Ma were recognized and correlated. The book is published in an oversized 11” × 24” landscape format, which works well for the numerous seismic lines and cross sections in this heavily illustrated volume. Each basin is examined in detail, including discussion of the tectonic, paleogeographic, and depositional settings, and the sequence stratigraphy based in large part on regional seismic interpretation. The application of the sequence stratigraphic interpretations to generation of petroleum prospects and evaluation of drilling results is the end result, provided in a manner that is far more open and enlightening than is the case for typical petroleum industry publications.