Hydrogeological interpretation and potential of the new magnetic resonance sounding (MRS) method

Lubczynski, M.; Roy, Jean

doi:10.1016/s0022-1694(03)00170-7

Cited by 73 publications

(84 citation statements)

References 27 publications

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“…This fact has found widespread application in laboratory core analysis and borehole logging of hydrocarbon formations (for comprehensive reviews, see Watson and Chang [1997], Kenyon [1997], and Dunn et al [2002]). Recently, magnetic resonance sounding (MRS) has also emerged as a new, surface geophysical method for the determination of water content and its characteristic NMR relaxation times [Lubczynski and Roy, 2003;Roy and Lubczynski, 2005]. NMR monitoring of gravity drainage of water and light oil in a sand column was first demonstrated by Choi et al [1997].…”

Section: Introductionmentioning

confidence: 99%

Unsaturated hydraulic conductivity from nuclear magnetic resonance measurements

Ioannidis

Chatzis

Lemaire

et al. 2006

Water Resources Research

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[1] Gravity-driven drainage of water from a column of glass beads of uniform size is studied using nuclear magnetic resonance (NMR). The evolution of proton magnetization and its spin-spin relaxation time is measured as a function of drainage time at different locations within the column. On the basis of these measurements a model for calculating water relative permeability directly from relaxation time data at various saturations, originally proposed by Chen et al. (1994), is successfully tested for the first time.Citation: Ioannidis, M. A., I. Chatzis, C. Lemaire, and R. Perunarkilli (2006), Unsaturated hydraulic conductivity from nuclear magnetic resonance measurements, Water Resour. Res., 42, W07201,

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Section: Introductionmentioning

confidence: 99%

Unsaturated hydraulic conductivity from nuclear magnetic resonance measurements

Ioannidis

Chatzis

Lemaire

et al. 2006

Water Resources Research

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“…Celui-ci, souvent faible, correspond à une différence de potentiel mesurable, de l'ordre de quelques nanovolts. Son amplitude est directement proportionnelle à la quantité d'eau présente dans le sol (LEGCHENKO et al, 2004 ;LUBCZYNSKI et ROY, 2003.…”

Section: Résonance Magnétique Des Protons (Srm)unclassified

Détermination des écoulements préférentiels en zone karstique (Tafrata, Maroc), Apport des données satellitaires SAR ERS-1 et Landsat ETM+ et de la prospection géophysique

Boutaleb

Hammichi

Tabyaoui

et al. 2009

rseau

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Malgré le grand nombre de puits et forages d’eau réalisés dans les différentes régions karstiques du Maroc, de nombreux inconnus subsistent encore concernant les critères d’implantation et le coût final des ouvrages. Afin d’optimiser les campagnes de forage à venir, une méthodologie de prospection multicritère a été adoptée dans la région karstique nord‑orientale du Maroc. Elle s’articule selon trois axes, à savoir : 1) détermination des linéaments hydrogéologiques à partir du traitement et interprétation des images satellitaires radar SAR ERS-1 et Landsat ETM+; 2) application de la géophysique électrique par (a) sondages électriques pour la détermination des épaisseurs des niveaux d’altération et de fracturation et par (b) trainées électriques pour la localisation précise de la zone de passage des linéaments hydrogéologiques, et finalement 3) application des techniques de Sondage par Résonance Magnétique (SRM) pour la vérification de la présence d’eau. Les différents résultats de sondages mécaniques réalisés à la suite de cette campagne de prospection montrent un taux de réussite très satisfaisant.In spite of the great number of water wells and drillings carried out in various karstic areas of Morocco, many unknown factors still remain concerning criteria for installing such works and for the final costs. To optimize future drilling campaigns, a multi-criteria method of prospecting was adopted in the karstic area of north-eastern Morocco. It is presented according to three axes: 1) the determination of hydrogeologic lineaments based on the analysis and interpretation of SAR ERS-1 and Landsat ETM+ images; 2) the application of electrical resistivity methods by (a) vertical electric soundings (VES) for the determination of the thicknesses of weathered layers and of fractures, and by (b) electric resistivity profiling for the determination of the exact location of hydrogeological lineament zones; and finally, 3) the application of Magnetic Resonance Sounding (MRS) for the verification of the presence of water. The various results of mechanical drilling carried out following this prospecting campaign show a very satisfactory rate of success

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“…Most of these methods require observations to draw correlation, and some even have the ability to integrate multiple sources of observations. With the development in geophysical technology, high-resolution geophysical mapping techniques are now available, such as magnetic resonance sounding (MRS) (Lubczynski and Roy, 2003), airborne electromagnetic system SkyTEM (Sørensen and Auken, 2004), satellite remote sensing (Hoffmann, 2005), and ground penetrating radar (GPR) (Clement and Ward, 2008). Bourges et al (2012) illustrated different ways of applying gravity data, refraction seismic data and borehole data with geostatistical methods.…”

Section: Introductionmentioning

confidence: 99%

The effect of training image and secondary data integration with multiple-point geostatistics in groundwater modelling

Sonnenborg

Jørgensen

et al. 2014

Hydrol. Earth Syst. Sci.

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Abstract. Multiple-point geostatistical simulation (MPS)has recently become popular in stochastic hydrogeology, primarily because of its capability to derive multivariate distributions from a training image (TI). However, its application in three-dimensional (3-D) simulations has been constrained by the difficulty of constructing a 3-D TI. The object-based unconditional simulation program TiGenerator may be a useful tool in this regard; yet the applicability of such parametric training images has not been documented in detail. Another issue in MPS is the integration of multiple geophysical data. The proper way to retrieve and incorporate information from high-resolution geophysical data is still under discussion. In this study, MPS simulation was applied to different scenarios regarding the TI and soft conditioning. By comparing their output from simulations of groundwater flow and probabilistic capture zone, TI from both sources (directly converted from high-resolution geophysical data and generated by TiGenerator) yields comparable results, even for the probabilistic capture zones, which are highly sensitive to the geological architecture. This study also suggests that soft conditioning in MPS is a convenient and efficient way of integrating secondary data such as 3-D airborne electromagnetic data (SkyTEM), but over-conditioning has to be avoided.

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Hydrogeological interpretation and potential of the new magnetic resonance sounding (MRS) method

Cited by 73 publications

References 27 publications

Unsaturated hydraulic conductivity from nuclear magnetic resonance measurements

Unsaturated hydraulic conductivity from nuclear magnetic resonance measurements

Détermination des écoulements préférentiels en zone karstique (Tafrata, Maroc), Apport des données satellitaires SAR ERS-1 et Landsat ETM+ et de la prospection géophysique

The effect of training image and secondary data integration with multiple-point geostatistics in groundwater modelling

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