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Abstract

Barton, M., C. O'Byrne, C. Pirmez, B. Prather, F. van der Vlugt, F.O. Alpak, and Z. Sylvester, 2010, Turbidite channel architecture: Recognizing and quantifying the distribution of channel-base drapes using core and dipmeter data, in M. Poppelreiter, C. Garcia-Carballido, and M. Kraaijveld, eds., Dipmeter and borehole image log technology: AAPG Memoir 92, p. 195–210.

DOI:10.1306/13181284M923289

Copyright copy2010 by The American Association of Petroleum Geologists.

Turbidite Channel Architecture: Recognizing and Quantifying the Distribution of Channel-base Drapes Using Core and Dipmeter Data

Mark Barton,1 Ciaran O'Byrne,2 Carlos Pirmez,3 Bradford Prather,4 Frans van der Vlugt,5 F. Omer Alpak,6 Zoltan Sylvester7

1Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
2Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
3Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
4Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
5Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
6Shell International Exploration and Production Inc., Houston, Texas, U.S.A.
7Shell International Exploration and Production Inc., Houston, Texas, U.S.A.

ABSTRACT

Field and simulation studies indicate that channel architecture and the presence of channel-base drapes (CBDs) can have a significant impact on oil recovery and represent key uncertainties in the understanding of a turbidite channel reservoir. Accordingly, understanding the frequency and distribution of CBDs provides valuable insights into reservoir performance. Core and dipmeter data contain information that can be used to recognize channel-base disconformities and associated CBDs. By comparing the observed number of channel-base disconformities to the observed number of disconformities overlain by mudstone, a statistical assessment of their frequency and distribution can be made. In a spatial sense, the fraction observed in the wells represents the average percentage of the channel elements within the reservoir that are overlain by a drape.

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