Jean-Jacques ROYER CNRS Research Engineer Geodynamics group CRPG, BP 20, 54501 Vandoeuvre-Les-Nancy Cedex, France Tel: (33) 3 83 59 64 28; Fax: (33) 3 83 59 64 60 e-mail: royer@crpg.cnrs-nancy.fr

Research interests and active projects

Numerical modeling of heat and mass transfers in reservoirs

Characterization of rock properties using seismic attributes. Application to the estimation of uncertainty of rock properties using geostatistical methods (in coll. with IFP)

Advanced geostatistics for quatifying spatial variability and uncertainty of natural objects

Applied geostatistics

Modeling fluids and thermal transfers at the Soultz geothermal site (CEE, ECODEV Projects)

Fluid circulation and crustal cooling at large scale in S. Limousin (GéoFrance3D program)

Modeling alteration using archeometallurgic slags as natural analog of vitrified wastes (in coll. with A. Ploquin and the CEA)

Developing 3D numerical methods for modeling thermal and mass transfers in reservoirs (THERMASS projects) in connection with gOcad

Application to real case studies (Soultz geothermal site, French Massif Central ore deposits, Oklo natural fission reactor)

Teaching and supervision

Teaching :

Geostatistics at the Ecole Nationale Supérieure de Géologie (ENSG), Nancy

Statistical Processing of Exploration Data at CESEV - ENSG

Transfers in the crust at the DEA - Université Henri Poincaré

Supervision of Ph-D thesis :

Pascal Audigane : Microseismicity characterisation of fractured rock massifs. Thermo-hydraulic modeling of reservoirs. Application to the geothermal Soultz HDR concept.

Philippe Nivlet : Characterization and management of uncertainty in quantitative interpretation of lithology (in coll. with IFP)

Nicolas Voutay : Lithoseismic interpretation of AVO data using multivariate geostatistical approach (in coll. with IFP)

Marcus Apel : Integrating GIS functionality to GOCAD for modeling the Modanubian zone of the Variscan belt. Application to thermal modeling (co-directed with Prof. H. Schaeben from the Freiberg University, Germany)

Education and career

1988 - present : Research Engineer 1st class CNRS at CRPG

1988: Thèse d'Etat (INPL, Nancy, Géostatistique) : "Multivariate Analysis and Filtering of Regionalized Data." Advisor : Prof. J.L. Mallet

1976-1988 : Research Engineer 2nd class CNRS at CRPG

1974 : Graduated as Ingénieur Civil des Mines de Nancy (ENSMIN)

Since 1986 : Treasurer of CODATA France

Since 1998 : National delegate at CODATA and at the Executive Committee

Selected recent publications

Shapiro S. A., Audigane, P. and Royer J.-J. (2000) - Reply of the Authors on Comment on 'Large-scale In-situ Permeability Tensor of Rocks from Induced Microseismicity, Geoph. J. Int. 137, 207-213, Shapiro S.A., P. Audigane and J.J. Royer; 1999' by Cornet F.H. Geoph. J. Int., 140, 470-473.

Mahé-Le Carlier C., Le Carlier de Veslud C., Ploquin A., Royer J.-J. (2000) - L'altération naturelle des scories de la métallurgie ancienne: un analogue de déchets vitrifiés. C.R. Acad. Sci. Paris, Sciences de la Terre et des planètes. 330, 179-184.

Fichtl P. and Royer J.J. (1999) - Facies Based Sequential Indicator Cosimulation : Collocated Cokriging Approach for Integrating Seismic Data. Proceedings of IAMG'99, S.J. Lippard, A. Naess, R. Sinding-Larsen (Eds), Trondheim, Norway, 6-11 August 1999, 473-478.

Shapiro S. A., Audigane, P. and Royer J.-J. (1999) - Large-scale in situ permeability tensor of rocks from induced microseismicity. Geoph. J. Int., 137, 207-213.

Gérard B., Royer J.-J., Le Carlier de Veslud C., Pagel M. (1998) - Modélisation 3D des transferts thermiques et des fluides autour d'un réacteur naturel (Oklo, Gabon). Bull. Soc. Géol. Fr., 169, 3.

Le Carlier de Veslud C., Royer J.-J., Gérard B. (1998) - Modélisation des transferts de chaleur et de fluide au cours du temps sur la marge paléo-distensive ardéchoise (France). Bull. Soc. Géol. Fr., 169, 1, pp 81-89.

Shapiro S. A., Royer J.-J., Audigane P. (1998) - Estimating the Permeability from Fluid-Injection Induced Seismic Emission. Thimus J.-F., Abousleiman Y., Cheng A.H.-D., Coussy ). and Detournay, Eds., Poromechanics : A Tribute to Maurice A. Biot , A.A. Balkema/Rotterdam/Brookfield, 301-305.

Smith M.P., Savary V., Yardley B.W.D., Valley J.W., Royer J.-J., Dubois M. (1998) - The evolution of the deep flow regime at Soultz-sous-Forets, Rhine Graben, eastern France: Evidence from a composite quartz vein. JGR , vol. 103, No. B11, 27 223-27 237.

Scaillet S., Cuney M., Le Carlier de Veslud C., Cheilletz A. and Royer J.-J. (1997) - Cooling pattern and mineralization history of the Saint Sylvestre and Western marche leucogranite pluton, French Massif Central II. Thermal modelling and implications for the mechanism of U-mineralization. Geochim. & Cosmochim. Acta, 60, 23, 4673-4688.