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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Determining a True Textural 
Permeability
by Modeling Key NMR Outputs Using
Only Conventional Log Data
Permeability
by Modeling Key NMR Outputs Using
Only Conventional Log DataBy
Nu-Tech Energy Alliance
Humble, Texas
In the ongoing research and development process to enhance
formation evaluation, establishing a relationship to permeability
has always been a key goal. In the early 1990’s the commercialization
of nuclear magnetic resonance (NMR) logging in the oil
and gas industry provided the first such link through the direct
measurement of the fluid volume and the distribution of that
fluid in the rock.
This link to permeability
set the stage for several refinements in
NMR over the last decade, the results of which have dramatically
shaped how the industry views bypassed pay. By utilizing conventional
log data, textural or pore size changes within the reservoir
can be detected and modeled. These models allow companies to
take a new look at fields that have not had the benefit of such
NMR measurements
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