Me

 

Ralf J. Weger

 

Associate Research Scientist

Marine Geology and Geophysics

University of Miami

Division of Marine Geology and Geophysics

Rosenstiel School of Marine and Atmospheric Science

4600 Rickenbacker Causeway

Miami, FL 33149

USA

rweger@rsmas.miami.edu

http://www.rsmas.miami.edu/personal/rweger/

+1 (305) 421-4834

+1 (305) 421-4732

+1 (305) 298-4493

 

(office)

(fax)

(mobile)

 

EDUCATION:

May 2006

Doctor of Marine Geology and Geophysics, University of Miami, Coral Gables, Florida

May 2000

Bachelor of Science in Systems Analysis, University of Miami, Coral Gables, Florida

 

LANGUAGES:

Fluent writing, reading, and speaking in English, German, and Spanish

 

PERTINENT EXPERIENCE:

5/2010 - present

University of Miami, Rosenstiel School of Marine and Atmospheric Science, Division of Marine Geology and Geophysics: Associate Research Scientist

 

6/2009 - present

Carbonate Systems Inc, Miami FL: Owner

-        Independent Geophysical consulting.

 

10/2007 - 5/2009

Repsol Exploration Advanced Services, A.G.; Zurich - Switzerland

Posting in Buenos Aires, Argentina: Senior Geophysical Advisor

-        Facies Analysis, Seismic Geometries and well data integration: Guarana, Campos Basin, Brazil.

-        Seismic attribute analysis and log data analysis with focus on integration between rock physics models, geologic interpretation and seismic data to determine next best well location.

-        Prediction, Characterization and Modeling of Carbonate Reservoirs: A Multidisciplinary Study of the Quintuco Formation, Loma de La Lata, Neuquen.

-        Building 3D Geological model through integrating seismic, log and core data for reservoir modeling to evaluate remaining reservoir potential and to determine future targets in surrounding blocks.

 

4/2006 - 9/2007

Comparative Sedimentology Laboratory; Division Marine Geology and Geophysics, University of Miami: Post Doctoral Research Scientist

-        Rock Physics and Petro Physics of Carbonates.

-        Special Core analysis with focus on integration of acoustic and hydraulic data.

-        Refine clear relationship between sonic velocity and permeability via geologic calibration of rock physics parameters from extended Biot Theory.

 

4/2004 - 4/2007

Shell International Exploration and Production B.V. CDT, Rijswijk, Netherlands: Geophysical Consultant

-        Implementation of newly developed `Permeability from Seismic` workflow to facilitate direct integration of log, core, geological interpretations, and seismic data for direct use in reservoir modeling and history match.

-        Develop workflow to facilitate the use of `Permeability from Seismic` concepts in green fields as `sweet spotting` tool.

 

10/2002 - 4/2004

Shell International Exploration and Production B.V. CDT, Rijswijk, Netherlands: Geophysical Consultant

-        GameChanger Project: Extracting Permeability from Seismic Data.

-        Using calibrated extended Biot Theory parameters to extract permeability indicators directly from seismic data for use in reservoir modeling.

-        First Implementation of my dissertation research as practical application that drastically improved history match.

 

7/2002 - 10/2002

Shell International Exploration and Production B.V., Rijswijk, Netherlands: Intern

-        Seismic Interpretation and Attribute Analysis.

-        Carbonate Facies identification using un-calibrated multi attribute analysis

 

5/2002 - 7/2002

ChevronTexaco E&P Technology Co., Bellaire, Texas: Intern

-        AVO modeling and Attribute analysis.

-        AVO Interpretation: `soft` calibration in the absence of well control.

 

6/2001 - 12/2001

GETECH Inc. Houston: Research Collaborator

-        Combined Modeling of Seismic and Gravity data.

 

6/1997 - 5/2000

Seismic Laboratory, Rosenstiel School of Marine and Atmospheric Science, Miami, Florida: Student Employee, Systems Administrator

-        Basic seismic processing and data management.

-        General Unix Systems administration and maintenance.

 

6/1997 - 5/2001

University of Miami School of Business Undergraduate Academic Services, Miami, Florida: Student Employee, Programmer and Database Administrator

-        Performed General Office Tasks and Tech Support.

-        Design and Implementation of operational databases.

 

12/1992 - 1/1996

Art of Business Inc., Miami, Florida: Self Employed Construction Contractor

-        Proposals preparation, contract bidding and supervision of sub contractors.

 

 

 

AWARDS RECEIVED:

2006

2005

2005

2004

2002

2000-2004

2000

2000

1998

1996-1999

Award of Academic Excellence from the Graduate School of the University of Miami

Honorable Mention in the category of Best Paper in GEOPHYSICS

Fritz Koczy Doctoral Research Fellowship for Outstanding Ph.D. Scholarship

Best Student Poster Paper Presented at the 2004 SEG Annual Meeting

Student of the Year Award (RSMAS/MGG)

University of Miami Fellowship, Marine Geology and Geophysics

The Beatrice Gitlow Endowed Award in Management Science

Management Science Departmental & Beta Gamma Sigma Academic Honoree

The Department of Physics Prize for Outstanding Performance in Physics with Calculus

President's Honors Roll and Dean's List, University of Miami, School of Business

 

 

COMPUTing SKILLS:

Basic Systems Administration for Windows and Linux

Application Software: Landmark (SeisWorks, Geoprobe, ProMAX), RokDoc, Petrel, ffA SVIPro, SMT

Kingdom Suite, Paradigm (VoxelGeo, Geolog), MatLab, some SQL for Oracle and MS Access

 

MEMBERSHIP IN PROFESSIONAL ORGANIZATIONS:

American Association of Petroleum Geology

Geological Society of America

Society of Exploration Geophysicists

European Association of Geophysicists and Engineers

 

Publications:

Published Papers

Klaas Verwer, Gregor Eberli, Gregor Baechle, and Ralf Weger, 2010, Effect of carbonate pore structure on dynamic shear moduli, Geophysics,Vol. 75, No. 1 p. E1-E8

Weger, R. J., Eberli, G.P., Baechle, G.T., Massaferro, J.L., and Sun, Y.F., 2009, Quantification of pore structure and its effects on sonic velocity and permeability in carbonates, AAPG Bulletin, no. 10, v. 93, p.1297-1317

Gregor T. Baechle, Gregor P. Eberli, Ralf J. Weger, and Jose Luis Massaferro, 2009, Changes in dynamic shear moduli of carbonate rocks with fluid substitution, Geophysics vol. 74, no. 3, p. E135–E147

Baechle, G.T., Colpaert A., Eberli, G.P., Weger, R. J., 2008, Effects of microporosity on sonic velocity in carbonate rocks, The Leading Edge, vol.27, no.8, pp. 1012-1018

Ida L. Fabricius, Gregor T. Baechle and Gregor P. Eberli, Weger, R. J., 2007, Estimating Permeability of carbonate rocks from porosity and Vp/Vs, Geophysics vol. 72, no. 5, pp.185

Baechle, G.T., Weger, R. J., Eberli, G.P., Massaferro, J.L., and Sun, Y.F., 2005, Changes of shear moduli in carbonate rocks: Implications for Gassmann applicability, The Leading Edge, vol.24, no.5, pp.507

Grasmueck, M., Weger, R., and Horstmeyer, H., 2004,Three-Dimensional GPR imaging of sedimentary structures, fractures and archeology at sub-meter resolution, Geology

Grasmueck, M., Weger, R., and Horstmeyer, H., 2004, Full-resolution 3D GPR imaging, Geophysics vol.70, no.1

Grasmueck, M., Weger, R., 2002, 3D GPR reveals complex internal structure of Pleistocene oolitic sandbar, The Leading Edge, vol.21, no.7, pp.634

 

Published Abstracts

Ammar H. El Husseiny, Saif A. Al Mesaabi, Sandra Vega, Mohamed Ali, Ralf J. Weger, Gregor P. Eberli, 2010, Correlation and Integration of Seismic Velocities, Rock Properties, and Pore Structure in from Outcrop of Wasia Group Rocks in the U.a.E, AAPG GEO 2010 Middle East, March 7-10, 2010 – Manama, Bahrain

Verwer, Klaas, Eberli, Gregor, Weger, Ralf, Fabricius, Ida L., Baechle, Gregor T., 2009, Effect of Pore Structure from Dynamic Shear Moduli in Carbonates, AAPG Annual Convention and Exhibition, Denver, Colorado, June 7-10, 2009

M. Knackstedt, M. Madadi, C. Arns, G. Baechle, G. Eberli, R. J. Weger, 2008, Carbonate Petrophysical Parameters Derived from 3-D Images, AAPG Annual Convention and Exhibition 2008, San Antonio, Abstr. Vol. (George C. Matson Award, best oral presentation at the AAPG Annual Convention 2008)

G. Baechle, A. Colpaert, G. P. Eberli, R. J. Weger, 2008, Modeling Sonic Velocity in Carbonates Using Thin Sections, AAPG Annual Convention and Exhibition 2008, San Antonio, Abstr. Vol.

Guido Bracco Gartner, Ralf J. Weger, Jeremy Hendrson, Jarrod Dunne, and Wenche Asyee, 2007, Solving the Inter-Well Problem: Pore Shape and Connectivity from Seismic Inversion in a Carbonate Reservoir, Carbonate Reservoirs - Unlocking the Potential from Established and New Plays, AAPG & AAPG European Region Energy Conference and Exhibition (November 18-21, 2007),

Weger, R. J., Baechle, G.T., Eberli, G.P., Massaferro, J.L., and Yue-Feng Sun, 2007, Deriving Pore Structure and Permeability from Sonic Velocity in Carbonates, AAPG Annual Meeting, Long Beach, Abstr. Vol.

Baechle, G.T., Colpaert, A., Weger, R. and Eberli, G., 2007, Modeling velocity in carbonates using a dual porosity DEM model. SEG 76th Annual Meeting, San Antonio, Texas.

Baechle, G.T., Weger, R., Eberli, G. and Boyd A., 2007, Effects of pore type and Fluid Saturation on Acoustic Properties in Carbonates. Challenges in Seismic Rock Physics, EAGE & SEG summer workshop, Beijing, China

Gregor Eberli, Jose Luis Massaferro, Ralf J. Weger, Yue-Feng Sun, Gregor Baechle and Guido Bracco Gartner, 2006, Permeability from Seismic in Carbonate Reservoirs, Part I: Dream or Reality?, AAPG Annual Meeting, Houston, Abstr. Vol.

Guido Bracco Gartner, Ralf J. Weger, Mosab Nasser, Jaap Leguijt, Kees van der Kolk, Heiko Hillgaertner, Wenche Asyee, Gregor Eberli, Yue-Feng Sun and Paul Wagner, 2006, Permeability from Seismic in Carbonate Reservoirs, Part II: The Field Example, AAPG Annual Meeting, Houston, Abstr. Vol.

Baechle, G.T., Weger, R., Eberli, G.P. and Colpaert, A., 2006, Pore size and pore type effects on velocity - Implication for carbonate rock physic models, workshop on “The Sound of Geology”, Centre for Integrated Petroleum Research (CIPR), Norway

Colpaert, A., Baechle, G.T., Brevik, I., Weger, R., Eberli, G.P. and Mienert, J., 2006, Elastic properties and fluid substitution in carbonate rocks from experimental velocity data and pore shape analysis, workshop on “The Sound of Geology”, Centre for Integrated Petroleum Research (CIPR), Norway

Sun, Y. F., K. Berteussen, S. Vega, G.P. Eberli, G.T. Baechle, R.J. Weger, J.L. Massaferro, G. L. Bracco Gartner and P.D. Wagner, 2006, Effects of pore structure on 4D seismic signals in carbonate reservoirs, SEG Expanded Abstract, Vol. 76, 3260-3264.

Bracco Gartner G.L., P.D. Wagner, G.T. Baechle, Y. F. Sun, R. J. Weger, G.P. Eberli, W. Asyee, H. Hillgartner, K. Van der Kolk, J. Leguijt, M.R. Nasser, J. L. Massaferro, 2005, Obtaining Permeability from Seismic Data: A New Breakthrough in Carbonate Reservoir Modelling, Proceedings of the International Petroleum Technology Conference, Qatar, Paper 10577

Baechle, G. T., Weger, R. J., Eberli, G., Massaferro, J. L., 2005, Pore structure effects on elastic moduli - porosity relationships in carbonate rocks, American Geophysical Union, Spring Meeting 2005, abstract #T43A-03

Baechle, G.T., Weger R.J., Eberli, G.P., 2005, Pore Structure Effects on Velocity and Elastic Moduli in Carbonate Rocks, SPE Forum Series in Mexico: “Future Challenges in Carbonate Resource Development”, 23-28 October 2005, in Los Cabos, Mexico

Baechle, G.T., Weger R.J., Eberli, G.P., 2005, Pore structure effects on elastic moduli - porosity relationships in carbonate rocks, AGU Joint Assembly, New Orleans.

Weger, R. J., Baechle, G.T., Massaferro, J.L., and Eberli, G.P., 2004, Effects of Porestructure on Sonic Velocity in Carbonates, SEG Annual Meeting, Denver, Abstr. Vol.

Baechle, G.T., Weger, R. J., Massaferro, J.L., and Eberli, G.P., 2004, The role of macroporosity and microporosity in constraining uncertainties and in relating velocity to permeability in carbonate rocks, SEG Annual Meeting, Denver, Abstr. Vol.

Baechle, G.T., Weger, R. J., Eberli, G.P., 2004, Experimental fluid substitution studies question applicability of Gassmann's theory in carbonate rocks. AAPG regional meeting El Paso.

Eberli, G.P., Baechle, G.T., Weger, R. J., and Massaferro, J.L. 2004, Quantitative Discrimination of Effective Porosity Using Digital Image Analysis - Implications for Porosity-Permeability Transforms. EAGE Paris.

Baechle, G.T., Weger, R. J. and Eberli, G.P., 2004, Gassmann revisited: Variations in dynamic shear modulus of carbonate rocks. AAPG Annual Meeting, Dallas, Abstr. Vol. p. A9

Massaferro, J.-L., Eberli, G.P., Baechle, G.T., Weger, R.J., 2004, Combining seismic, geological and petrophysical knowledge for carbonate reservoir characterization: An example from a Lower Cretaceous reservoir, UAE. 11TH Abu Dhabi International Petroleum & Gas Conference.

Eberli, G.P., Baechle, G.T., Weger, R.J. and Anselmetti, F.S., 2004, Sonic Velocity of dry and wet carbonates. 45th Annual Symposium SPWLA, Carbonate Workshop, Noordwijk, Netherlands

Grasmueck, M., Weger, R. J., McNeill, D., Steffen, K., Rankey, E., 2003, Definition of Litho- and Hydro-Stratigraphic elements of the Miami Oolitic Carbonates with 3-D Ground Penetrating Radar, GSA Annual Meeting, Abstr. Vol.

Baechle, G.T., Weger, R. J. and Eberli, G.P., Massaferro, J.L., and Sun, Y.F., 2003, Changes of Shear Modulus in Carbonate Rocks: Implications for Gassmann Applicability, Workshop on Carbonate Rock Physics, SEG Annual Meeting, Dallas

Grasmueck, M., Weger, R. J., and Horstmeyer, H., 2003, How Dense is dense enough for a `real` 3D GPR Survey, SEG Annual Meeting, Abstr. Vol.

Weger, R. J., Baechle, G.T., Bracco Gartner, G., Eberli, G.P., 2003, XPL in Thin Section Image Analysis: The Key to Digital Petrography, Poster at Carbonate Research Group Meeting in Salt Lake City / AAPG 2003

Grasmueck, M., Weger, R. J., 2002, Reassessment of local paleocurrent directions in the Miami oolitic limestone with 3D ground-penetrating radar, ninth International Conference on Ground Penetrating Radar, Santa Barbara, Abstr. Vol. p. 211

Weger, R J; Rosendahl, B R; Odegard, M E, 2001, New constraints on rift margin development through integration of deep-imaging seismic interpretation and gravity modeling, Abstracts with Programs - Geological Society of America, vol.33, no.6, pp.209

Rosendahl, B R; Mohriak, W U; Odegard, Mark E; Weger, R J, 2001, West African and Brazilian margins; pre-drift to early drift plate configurations and conjugate seismic pairings, Abstracts with Programs - Geological Society of America, vol.33, no.6, pp.157

Unpublished Reports

Guido L. Bracco Gartner; Ralf J. Weger; Jerremy Henderson; Jarrod Dunne; Wenche Asyee, 2006, AVO Inversion in Carbonates using the Sun Rock Model, Field Trial, Jintan Field Malaysia,

Guido L. Bracco Gartner, Mosab Nasser, Ralf J. Weger, Kees v.d. Kolk, Jaap Leguijt, Heiko Hillgaertner, Wenche Asyee, Jakko Kokkedee, Mohamed Al Mansouri, Mohamed Al Hammadi, Goos Bakker, Nicolas Ruby, and Paul Wagner, 2006. Permeability from Seismic in Carbonate ReservoirsField Trial, Bu Hasa Field, UAE.

J. L. Massaferro, G.P. Eberli, R. J. Weger, G.T. Baechle, Y. F. Sun, 2005, Extracting Permeability from Seismic Data in Carbonate Reservoirs: GameChanger Project, pp.128.

Eberli, G.P., Baechle, G.T., Weger, R. J., 2004, Shuaiba RQ and Acoustic Properties Model. Phase 1 Report, Petroleum Development of Oman, pp. 80.

Weger, R. J., 2002, Carbonate Facies Identification using multi attribute analysis: Examples from Luconia E11 and E11-west

Weger, R. J., 2002, AVO Analysis and Interpretation: `soft` calibration in the absence of well control.

 

Short Courses:

Integration of Rocks, Log and Test Data

PetroSkills, Buenos Aires October 2008

Professional Level Rock Physics for Seismic Amplitude Interpretation

Nautilus, Buenos Aires, June 2008

Introduction to Dionisos 3D numerical Basin modeling

IFA, Buenos Aires, April 2008

Introduction to SVIPro

ffA, Buenos Aires, February 2008

A Practical Guide Velocities and Depth Conversion

Nautilus, Buenos Aires, January 2008

SEDIMENTOLOGY AND SEQUENCE STRATIGRAPHY OF CARBONATE ROCKS

Dr. Wolfgang Schlager, Miami December 2003

GEOLOGICAL PROSPECTING USING SEISMIC ATTRIBUTES

Seismic Micro-Technology & Rock Solid Images, AAPG 2003

EXXON SHORT COURSE IN SEQUENCE STRATIGRAPHY

Dr. Art Donovan, ExxonMobil Upstream Research Company, GSA 2000

Charleston, South Carolina

 

Field Work / Field Trips:

Reef Systems Through Time

West Texas and New Mexico; 2001; Hal Wanless

Depositional Environments of Lee Stocking Island

Bahamas; 2004; Gregor P. Eberli

Mapping Madison Formation in Montana

Field Work with Matthew R. Buoniconti

Mapping and ground truthing of Satelite images in Andros Island

Field Work in the Bahamas with Jean Rankey