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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract

AAPG Studies in Geology No. 50, (Section Title: The Ferron Sandstone -- Overview and Reservoir Analog) Chapter 4: Integrated Analysis of the Previous HitUpperNext Hit Ferron Deltaic Complex, Southern Castle Valley, Utah, by Richard J. Moiola, Joann E. Welton, John B. Wagner, Larry B. Fearn, Mike E. Farrell, Roy J. Enrico, and Ron J. Echols, Pages 79 - 92
from:
AAPG Studies in Geology No. 50: Regional to Wellbore Analog for Fluvial-Deltaic Reservoir Modeling: The Ferron Sandstone of Utah, Edited by Thomas C. Chidsey, Jr., Roy D. Adams, and Thomas H. Morris
Copyright © 2004 by The American Association of Petroleum Geologists and the Society of Exploration Geophysicists. All rights reserved.

The Ferron Sandstone --
Overview and Reservoir Analog

Chapter 4:
Integrated Analysis of the Previous HitUpperNext Hit Ferron Deltaic Complex, Southern Castle Valley, Utah

Richard J. Moiola1, Joann E. Welton2, John B. Wagner3, Larry B. Fearn1,
Mike E. Farrell2, Roy J. Enrico1, and Ron J. Echols1
1Mobil Technology Company -- Retired, Dallas, Texas
2ExxonMobil Upstream Research, Houston, Texas
3Nexen Petroleum U.S.A., Dallas, Texas

ABSTRACT

The Previous HitUpperNext Hit Ferron Sandstone in southern Castle Valley, Utah, is a river-dominated deltaic complex made up of seaward-stepping, vertically stacked, and landward-stepping cycles. These cycles, which consist of Previous HitdeltaNext Hit Previous HitplainNext Hit, Previous HitdeltaNext Hit front, and prodelta/offshore facies associations, are partitioned by flooding surfaces that detailed biostratigraphic analysis indicates lack an open marine signature. They are thought to be abandonment flooding surfaces associated with Previous HitdeltaNext Hit lobe switching. The abundance of distributary channel belts associated with all cycles suggests that riverine processes controlled the evolution of their associated Previous HitdeltaNext Hit fronts and that the entire Previous HitUpperNext Hit Ferron is a river-dominated system in which marine processes (predominantly waves and storms) played a subordinate role. Autocyclic processes, channel avulsion and lobe switching, controlled the internal architecture and partitioning of the cycles. The stacking pattern was controlled by allocyclic processes, primarily decreasing sediment supply combined with increasing accommodation. No compelling evidence was found to confirm the presence of incised valleys in the Previous HitUpperTop Ferron.

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