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Title: Low-Field Borehole NMR Applications in the Near-Surface Environment

Abstract

The inherent heterogeneity of the near subsurface (<200 m below the ground surface) presents challenges for agricultural water management, hydrogeologic characterization, and engineering, among other fields. Borehole nuclear magnetic resonance (NMR) has the potential not only to describe this heterogeneity in space nondestructively but also to monitor physical and chemical changes in the subsurface with time. Nuclear magnetic resonance is sensitive to parameters of interest like porosity and permeability, saturation, fluid viscosity, and formation mineralogy. Borehole NMR tools have been used to measure soil moisture in model soils, and recent advances in low-field borehole NMR instrumentation allow estimation of hydraulic properties of unconsolidated aquifers. We also demonstrate the potential for low-field borehole NMR tools to monitor field-relevant biogeochemical processes like biofilm accumulation and microbially induced calcite precipitation at laboratory and field scales. Finally, we address some remaining challenges and areas of future research, as well as other possible applications where borehole NMR could provide valuable complementary data.

Authors:
 [1];  [1]
  1. Montana State Univ., Bozeman, MT (United States)
Publication Date:
Research Org.:
Vista Clara Inc., Mukilteo, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1545324
Grant/Contract Number:  
SC0006376
Resource Type:
Accepted Manuscript
Journal Name:
Vadose Zone Journal
Additional Journal Information:
Journal Volume: 17; Journal Issue: 1; Journal ID: ISSN 1539-1663
Publisher:
Soil Science Society of America
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Kirkland, Catherine M., and Codd, Sarah L. Low-Field Borehole NMR Applications in the Near-Surface Environment. United States: N. p., 2018. Web. doi:10.2136/vzj2017.01.0007.
Kirkland, Catherine M., & Codd, Sarah L. Low-Field Borehole NMR Applications in the Near-Surface Environment. United States. doi:10.2136/vzj2017.01.0007.
Kirkland, Catherine M., and Codd, Sarah L. Thu . "Low-Field Borehole NMR Applications in the Near-Surface Environment". United States. doi:10.2136/vzj2017.01.0007. https://www.osti.gov/servlets/purl/1545324.
@article{osti_1545324,
title = {Low-Field Borehole NMR Applications in the Near-Surface Environment},
author = {Kirkland, Catherine M. and Codd, Sarah L.},
abstractNote = {The inherent heterogeneity of the near subsurface (<200 m below the ground surface) presents challenges for agricultural water management, hydrogeologic characterization, and engineering, among other fields. Borehole nuclear magnetic resonance (NMR) has the potential not only to describe this heterogeneity in space nondestructively but also to monitor physical and chemical changes in the subsurface with time. Nuclear magnetic resonance is sensitive to parameters of interest like porosity and permeability, saturation, fluid viscosity, and formation mineralogy. Borehole NMR tools have been used to measure soil moisture in model soils, and recent advances in low-field borehole NMR instrumentation allow estimation of hydraulic properties of unconsolidated aquifers. We also demonstrate the potential for low-field borehole NMR tools to monitor field-relevant biogeochemical processes like biofilm accumulation and microbially induced calcite precipitation at laboratory and field scales. Finally, we address some remaining challenges and areas of future research, as well as other possible applications where borehole NMR could provide valuable complementary data.},
doi = {10.2136/vzj2017.01.0007},
journal = {Vadose Zone Journal},
number = 1,
volume = 17,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
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