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Chapter from:
AAPG Memoir 71 : Reservoir Characterization-Recent Advances
Edited by Richard A. Schatzinger and John F. Jordan
Copyright 1999 by The American Association of Petroleum Geologists. All rights reserved.
Memoir 71, Chapter 4: Multiscale Heterogeneity Characterization of Tidal Channel, Tidal Delta, and Foreshore Facies, Almond Formation Outcrops, Rock Springs Uplift, Wyoming , by Richard A. Schatzinger and Liviu Tomutsa, Pages 45 - 56

Multiscale Heterogeneity Characterization of Tidal Channel, Tidal Delta, and Foreshore Facies, Almond Formation Outcrops, Rock Springs Uplift, Wyoming

 Richard A. Schatzinger ¹
BDM Petroleum Technologies
Bartlesville, Oklahoma, U.S.A.

Liviu Tomutsa ²
BDM Petroleum Technologies
Bartlesville, Oklahoma, U.S.A.

¹ Present address: Fowler, Schatzinger & Associates, Bartlesville, Oklahoma, U.S.A.; e-mail: [email protected]
² Present address: Lawrence Berkeley National Laboratory, Berkeley, California, U.S.A.; e-mail: [email protected]

In order to accurately predict fluid flow within a reservoir, variability in the rock properties at all scales pertinent to the specific depositional environment needs to be taken into account. The present work describes rock variability at scales from hundreds of meters (facies level) to millimeters (laminae) based on outcrop studies of the Upper Cretaceous Almond Formation. Tidal channel, tidal delta, and foreshore facies were sampled on the eastern flank of the Rock Springs uplift, southeast of Rock Springs, Wyoming. The Almond Formation was deposited as part of a mesotidal Upper Cretaceous transgressive systems tract within the greater Green River Basin.