American Oil and Gas Reporter - January 2021 - 54

Prestack Conditioning
Provides Cost-Effective
Solution For Improving
Vintage 3-D Data
By Andrew Munoz and Bill Shea
HOUSTON-Operators in unconventional resource plays
routinely license seismic datasets of various vintages to guide
drilling and completion decisions. Given the time required to
permit and acquire new onshore 3-D seismic data, the availability of existing datasets across most shale basins, and the
pace of horizontal well development, licensing legacy data is
a practical and economical option.
However, the quality of seismic attributes from 3-D images
and prestack gathers is directly proportional to the quality of
the acquisition and processing. Lower-quality data can substantially increase risks in planning and executing horizontal
wells. The state-of-the-art in geophysical acquisition and processing technology has evolved dramatically since many
vintage surveys were conducted in unconventional basins.
These older datasets often suffer from a host of data quality
problems, including statics errors, internal multiples, residual
moveout, random noise, attenuation, fold inconsistency and
residual migration artifacts. In the past, reprocessing has
been necessary to fix data quality issues. However, prestack
seismic conditioning is a reliable and cost-effective alternative
to full reprocessing of vintage 3-D surveys

54 THE AMERICAN OIL & GAS REPORTER



American Oil and Gas Reporter - January 2021

Table of Contents for the Digital Edition of American Oil and Gas Reporter - January 2021

Contents
American Oil and Gas Reporter - January 2021 - Intro
American Oil and Gas Reporter - January 2021 - Cover1
American Oil and Gas Reporter - January 2021 - Cover2
American Oil and Gas Reporter - January 2021 - Contents
American Oil and Gas Reporter - January 2021 - 4
American Oil and Gas Reporter - January 2021 - 5
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American Oil and Gas Reporter - January 2021 - Cover3
American Oil and Gas Reporter - January 2021 - Cover4
https://www.nxtbook.com/nxtbooks/aogr/202403
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https://www.nxtbook.com/nxtbooks/aogr/202401
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https://www.nxtbook.com/nxtbooks/aogr/201912
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https://www.nxtbook.com/nxtbooks/aogr/201812
https://www.nxtbook.com/nxtbooks/aogr/201811
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https://www.nxtbook.com/nxtbooks/aogr/201809
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https://www.nxtbook.com/nxtbooks/aogr/201412
https://www.nxtbook.com/nxtbooks/aogr/201411
https://www.nxtbook.com/nxtbooks/aogr/201410
https://www.nxtbook.com/nxtbooks/aogr/201409
https://www.nxtbook.com/nxtbooks/aogr/pbios2014_programguide
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