University of Texas at Austin

Publications

9-C Technology

B. Hardage, M. DeAngelo, and P. Murray, 2003, Defining P-Wave and S-Wave Stratal Surfaces With Nine-Component VSPs, The Leading Edge, v. 22, No. 8, p. 720-729 [PDF]

J. Simmons and M. Backus, 2001, Shear waves from 3-D–9-C seismic reflection data: Have we been looking for signal in all the wrong places?, The Leading Edge, v. 6. p. 604-612 [PDF]

J. Simmons, Jr. and M. Backus, 1999, Radial-Transverse (SV-SH) Coordinates for 9-C 3-D Seismic Reflection Data Analysis, (exp. abs.): Technical Program, 69th Annual International Meeting, Society of Exploration Geophysicists, v. 1, p. 728-731 [PDF]

J. Simmons, Jr., M. Backus, B. Hardage, and R. Graebner, 1999, Case History: 3-D Shear-wave Processing and Interpretation in Radial-Transverse (SV-SH) Coordinates, (exp. abs.): Technical Program, 69th Annual International Meeting, Society of Exploration Geophysicists, v. 1, p. 792-795. [PDF]

J. Simmons, Jr. and M. Backus, 1999, Shear-wave Splitting: Tutorial, Issues and Implications for 9-C 3-D Seismic Reflection Data (exp. abs.): Technical Program, 69th Annual International Meeting, Society of Exploration Geophysicists, v. 1, p. 788-791. [PDF]


Depth Registration of P and S Data

S. Fomel, M. Backus, M. DeAngelo, P. Murray, and B. Hardage, 2003, Multicomponent Seismic Data Registration for Subsurface Characterization in the Shallow Gulf of Mexico: Offshore Technology Conference, Houston, Texas, May 2003. [PDF]

P. Murray, M. DeAngelo, B. Hardage, M. Backus, R. Graebner, and S. Fomel, 2003, Interpreting Multicomponent Seismic Data in the Gulf of Mexico for Shallow Sedimentary Properties: Methodology and Case History: Offshore Technology Conference, Houston, Texas, May 2003. [PDF]

M. DeAngelo, M. Backus, B. Hardage, P. Murray, and S. Knapp, 2003, Depth Registration of P-Wave and C-Wave Seismic Data for Shallow Marine Sediment Characterization, Gulf of Mexico, The Leading Edge, v. 22, Issue 2, p. 96-105. [PDF]


Direct-S Technology

B. Hardage and D. Wagner, 2014, Generating direct-S modes with simple, low-cost, widely available seismic sources [PDF]

Hardage and Wagner, 2014, S-S imaging with vertical-force sources [PDF]

Y. Li and B. Hardage, 2015, Extraction and Imaging of SV-P Reflections from Far-Offset VSP Data [PDF]

B. Hardage, M. DeAngelo, D. Sava, 2015, Case History: SV-P Imaging of Wolfberry Unconventional Reservoirs: DOE/MMS Reports [PDF]

Combining Multicomponent Seismic Attributes, New Rock Physics Models, and In Situ Data to Estimate Gas-Hydrate Concentrations in Deep-Water, Near-Seafloor Strata of the Gulf of Mexico, DOE Gas Hydrate Final Report [PDF]

Elastic-Wavefield Seismic Stratigraphy: A New Seismic Interpretation Technology [PDF]

Comparisons and Contrasts Between 3-C and 9-C S-Wave Imaging [PDF]

Seismic Technology Adapted to Analyzing and Developing Geothermal Systems Below Surface-Exposed High-Velocity Rocks: DOE Final Report [PDF]

Processing and Modeling 2D4C Seismic Data: Gulf of Mexico [PDF]


Fracture Analysis

Far and Hardage, 2014, Interpretation of fractures and stress anisotropy in Marcellus Shale using multicomponent seismic data: [PDF]

Yuan, DeAngelo, and Hardage, 2014, Interpretation of fractures and joint inversion using multicomponent seismic data Marcellus Shale example: [PDF]

Bob Hardage, M. M. Backus, M. V. DeAngelo, R. J. Graebner, S. E. Laubach, and Paul Murray, 2003, Combining a New 3-D Seismic S-Wave Propagation Analysis for Remote Fracture Detection with a Robust Subsurface Microfracture-Based Verification Technique, DOE Final Report [PDF]


Gas Hydrate

Combining Multicomponent Seismic Attributes, New Rock Physics Models, and In Situ Data to Estimate Gas-Hydrate Concentrations in Deep-Water, Near-Seafloor Strata of the Gulf of Mexico, DOE Gas Hydrate Final Report [PDF]

B. A. Hardage, P. E. Murray, Detailed Imaging of Deepwater Hydrate Geology With Horizontal Arrays of Seafloor Sensors [PDF]

D. Sava, and B.A. Hardage, Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments [PDF] [Extended abstract PDF]

B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd and J. Hunt Jr., Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico: [PDF] [Extended abstract PDF]

B. A. Hardage, M. M. Backus, M. V. DeAngelo, S. Fomel, R.J. Graebner, P. Murray, and L. J. Wood, 2002, Bob Hardage, M. M. Backus, M. V. DeAngelo, R. J. Graebner, S. E. Laubach, and Paul Murray, Characterizing Marine Gas-Hydrate Reservoirs and Determining Mechanical Properties of Marine Gas-Hydrate Strata with 4-Component Ocean-Bottom-Sensor Seismic Data: [Link]

Milo M. Backus, Paul E. Murray, Bob A. Hardage, and Robert J. Graebner, High-resolution multicomponent seismic imaging of deepwater gas-hydrate systems [PDF]

Bob A. Hardage, Harry H. Roberts, Gas hydrate in the Gulf of Mexico: What and where is the seismic target? [PDF]

Bob A. Hardage, Paul Murray, Diana Sava, Milo M. Backus, Randy Remington, Robert Graebner, Harry H. Roberts, Evaluation of deepwater gas-hydrate systems, [PDF]

Bob A. Hardage, Randy Remington, Harry H. Roberts, Gas hydrate—a source of shallow water flow?: [PDF]

Harry H. Roberts, Bob A. Hardage, William W. Shedd, Jesse Hunt Jr., Seafloor reflectivity—An important seismic property for interpreting fluid/gas expulsion geology and the presence of gas hydrate [PDF]

Diana Sava and Bob A. Hardage, Rock physics characterization of hydrate-bearing deepwater sediments [PDF]


General

B. A. Hardage, 1996, Combining P-Wave and S-Wave Seismic Data to Improve Prospect Evaluation Bureau of Economic Geology Report of Investigations No. RI-0237. [Link]


Geothermal Studies

Wei, DeAngelo, and Hardage, 2014, Advantages of Joint Interpretation of P-P and P-SV seismic data in geothermal exploration [PDF]

Wei, DeAngelo, and Hardage, 2014, Interpretation of multicomponent seismic data across Wister geothermal field, Imperial Valley, California [PDF]

Nurtac Erturk, 2014, Comparison of Direct-S Modes Produced by Different Source Types: [PDF]

Mustafa Badieh Al-Waily, Depth-Registration of 9-Component 3-Dimensional Seismic Data in Stephens County, Oklahoma, Master's thesis [PDF]

Engin Alkan, 2012, Exploring Hydrocarbon-bearing Shale Formations with Multi-component Seismic Technology and Evaluating Direct Shear Modes Produced by Vertical-Force Sources, Ph.D. dissertation [PDF]

Engin Alkan, 2007, Multi-dimensional Land Seismic Data-acquisition Techniques and Random Survey Design, Master's thesis, SV-P Studies [PDF]

DeAngelo and Hardage, 2014, Application of 3C3D converted mode reflections, King County, Texas [PDF]

Hardage, Sava, and Wagner, 2014, SV-P An ignored seismic mode that has great value for interpreters [PDF]


For more information, please contact Bob Hardage.
Telephone 512-471-0300. E-mail bob.hardage@beg.utexas.edu.