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Book Chapter

Seismic Attributes: Exploiting Seismic Data to Understand Heterogeneous Reservoir Performance in the Eagle Ford Shale, South Texas, U.S.A.

By
Kit Clemons
Kit Clemons
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Hector Bello
Hector Bello
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Robert Bodziak
Robert Bodziak
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Matthew McChesney
Matthew McChesney
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Robert Meek
Robert Meek
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Andy Stephens
Andy Stephens
Pioneer Natural Resources, 5205 N. O’Connor Blvd., Ste. 200, Irving, Texas 75039, U.S.A. (e-mails: kit@lario.net, hector.bello@pxd.com, robert.bodziak@pxd.com, matthew.mcchesney@pxd.com, andy.stephens@pxd.com, robert.meek@pxd.com)
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Published:
January 01, 2016

Abstract

With the onset of the shale revolution in the United States, understanding shale reservoir rock properties has become increasingly important. The criteria used to characterize these ultra-low-permeability shale reservoirs and their resource potential commonly include organic richness, thermal maturity, lithologic heterogeneity, formation brittleness, and porosity. Because the lateral continuity of these systems often changes rapidly over short distances, it is desirable to quantify changes in these criteria both vertically and laterally within the reservoir. Here we present three seismic techniques used to identify, characterize, quantify, and map spatial distributions and variations of key attributes. Using seismic attribute data calibrated to key wells, we focus the mapping of three key attributes over a large region in South Texas: mechanical facies (i.e., fracability), fracture intensity as it relates to reservoir pressure, and total porosity over a large region in south Texas. This approach to mapping source rocks may change the way ultra-low-permeability shale reservoirs are evaluated in the future.

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Contents

AAPG Memoir

The Eagle Ford Shale: A Renaissance in U.S. Oil Production

John Breyer
John Breyer
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American Association of Petroleum Geologists
Volume
110
ISBN electronic:
9781629812748
Publication date:
January 01, 2016

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