A review on the applications of nuclear magnetic resonance (NMR) in the oil and gas industry: laboratory and field-scale measurements

M Elsayed, A Isah, M Hiba, A Hassan… - Journal of Petroleum …, 2022 - Springer
This review presents the latest update, applications, techniques of the NMR tools in both
laboratory and field scales in the oil and gas upstream industry. The applications of NMR in …

A review of the principles and applications of the NMR technique for near-surface characterization

AA Behroozmand, K Keating, E Auken - Surveys in geophysics, 2015 - Springer
This paper presents a comprehensive review of the recent advances in nuclear magnetic
resonance (NMR) measurements for near-surface characterization using laboratory …

A small‐diameter NMR logging tool for groundwater investigations

D Walsh, P Turner, E Grunewald, H Zhang… - …, 2013 - Wiley Online Library
A small‐diameter nuclear magnetic resonance (NMR) logging tool has been developed and
field tested at various sites in the United States and Australia. A novel design approach has …

A laboratory study of the effect of Fe (II)-bearing minerals on nuclear magnetic resonance (NMR) relaxation measurements

K Keating, R Knight - Geophysics, 2010 - library.seg.org
A laboratory study was conducted to measure the effect of the mineralogic form and
concentration of iron (II)[Fe (II)] minerals on nuclear magnetic resonance (NMR) relaxation …

The effect of spatial variation in surface relaxivity on nuclear magnetic resonance relaxation rates

K Keating, R Knight - Geophysics, 2012 - pubs.geoscienceworld.org
Nuclear magnetic resonance (NMR) relaxation measurements are sensitive to the
physiochemical environment of water in saturated porous media and can provide …

Geophysics at the interface: Response of geophysical properties to solid‐fluid, fluid‐fluid, and solid‐solid interfaces

R Knight, LJ Pyrak‐Nolte, L Slater… - Reviews of …, 2010 - Wiley Online Library
Laboratory studies reveal the sensitivity of measured geophysical properties to solid‐fluid,
fluid‐fluid, and solid‐solid interfaces in granular and fractured materials. In granular …

High‐resolution direct push nmr tools for groundwater investigations

D Morozov, D Walsh, C McLaughlin… - Groundwater …, 2024 - Wiley Online Library
A small‐diameter nuclear magnetic resonance (NMR) technology optimized for use with
direct push (DP) and cone penetrometer test (CPT) drilling has been developed. The DP …

Role of paramagnetic impurities and surface roughness on NMR relaxation times: Insights from molecular dynamics simulations

Y Wang, JI Amaro-Estrada… - The Journal of Physical …, 2023 - ACS Publications
Paramagnetic impurities in rocks can substantially affect 1H nuclear magnetic resonance
(NMR) measurements; their spatial distribution and concentration can result in significantly …

A laboratory study of NMR relaxation times in unconsolidated heterogeneous sediments

E Grunewald, R Knight - Geophysics, 2011 - pubs.geoscienceworld.org
Nuclear magnetic resonance (NMR) relaxation-time measurements can provide critical
information about the physiochemical properties of water-saturated media and are used …

Magnetic matrix effects on NMR relaxation times in sandstones: A case study in Solimões Basin

MH Jácomo, RIF Trindade, E Lucas-Oliveira… - Journal of Applied …, 2020 - Elsevier
Pore distribution estimates based on Nuclear Magnetic Resonance (NMR) can be strongly
affected by the presence of magnetic field gradients between the pore and the grain's …