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AAPG Memoir 73, Chapter 3: Integrated Basin Modeling Helps to Decipher Petroleum Systems, by J-L. Rudkiewicz, H. L. de B. Penteado, A. Vear, M. Vandenbroucke, F. Brigaud, J. Wendebourg, and S. Duppenbecker, Pages 27 - 40

AAPG Memoir 73: Petroleum Systems of South Atlantic Margins, Edited by Marcio Rocha Mello and Barry J. Katz
Copyright © 2000 by The American Association of Petroleum Geologists. All rights reserved.

Chapter 3
Integrated Basin Modeling Helps to Decipher Petroleum Systems

J-L. Rudkiewicz
Institut Fran231_c.jpg (469 bytes)ais du P233_e.jpg (471 bytes)trole
Rueil-Malmaison, France

H. L. de B. Penteado
Petrobr225_a.jpg (470 bytes)s/Cenpes/CEGEQ
Rio de Janeiro, Brazil

A. Vear
BP Exploration
Houston, Texas, U.S.A.
Present address: Woodside Energy, Perth, Australia

M. Vandenbroucke
Institut Franais du P233_e.jpg (471 bytes)trole
Rueil-Malmaison, France

F. Brigaud
Elf Aquitaine
Pau, France

J. Wendebourg
Institut Fran231_c.jpg (469 bytes)ais du P233_e.jpg (471 bytes)trole
Rueil-Malmaison, France

S. D252_u.jpg (461 bytes)ppenbecker
BP Exploration
Houston, Texas, U.S.A.


The behavior of a petroleum system often results from coupled physical interactions, whose effects are difficult to predict without adequate user experience and numerical tools. 2-D and 3-D basin simulators are such tools that are used to describe the generation and migration of hydrocarbons in sedimentary basins. We illustrate with two actual examples how these tools can be used to understand some key points of petroleum systems in an efficient way.

In the Brazilian Rec244_o.jpg (459 bytes)ncavo basin, the possible migration patterns from the deep part of the basin toward the prerift and synrift reservoirs are examined, including the role of faults and the effect of long-range migration in the infilling of reservoirs. In the North Sea, the Jurassic petroleum system in the so-called high-pressure/high-temperature (HPHT) domain can be deciphered. There, oils survive temperatures as high as 190oC. Modeling tools that reconstruct the petroleum system in a geologic time frame show that this unusual feature has a dynamic behavior, linked to recent subsidence and sedimentation and to secondary cracking of the generated oils. Understanding petroleum migration and cracking processes in such settings demonstrates the capabilities and economic value of modeling tools.

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