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Abstract
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Chapter from: SG
42: Applications of 3-D Seismic Data to Exploration and Production
Edited by:
Paul Weimer and Thomas L. David Author:
Dieter K. Skaloud
Published 1996 as
part of Studies in Geology 42
Copyright © 1996 The American Association of Petroleum
Geologists. All Rights Reserved.
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*Editorial Note: Page numbers in this digital version
(HTML and PDF) do not correspond to those of the hardcopy.
Otherwise, the two are the same.
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CHAPTER
23
Chapter 23: The
Use of 3-D Seismic Data as a Tool to Increase Ultimate Recovery from the
Yibal Shuaiba Reservoir, Oman Dieter K. Skaloud*
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Skaloud, D. K.,
The use of 3-D seismic data as a tool to increase ultimate recovery from
the Yibal Shuaiba Reservoir, Oman, in P. Weimer and T. L. Davis,
eds., AAPG Studies in Geology No. 42 and SEG Geophysical Developments
Series No. 5, AAPG/SEG, Tulsa, p. 211-218. |
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ABSTRACT
The Yibal Field, located
in northern Oman, is a mature oil field, with a current total of 436 wells,
from which about half of the ultimately recoverable reserves have been
produced. Some 100 Shuaiba reservoir production wells have been preselected
using structural and amplitude interpretations of a 3-D seismic survey
acquired in 1988. The seismic data were integrated with petrophysical,
geological, and production models to arrive at optimal well locations and
trajectories.
The results of these wells,
many of which are horizontal, have been very encouraging in terms of production
and recovery improvements and demonstrate the success of the approach.
Top Shuaiba seismic attribute data have been shown to have high predictive
value for reservoir porosity, hydrocarbon distribution, and production
behavior.
New 3-D data were acquired
in 1993 to improve the structural model, identify remaining unswept oil,
and enable real-time reservoir visualization. Although not yet fully processed
and evaluated, interpretations of time-lapse effects in reservoir fluid
distribution are presented. |
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