1996 UTAM ANNUAL REPORT

The mission of the Utah Tomography And Modeling/Migration (UTAM) consortium is to develop innovative tomography and imaging methods for exploration geophysics. Online titles of 1996 annual reports are listed below.

PREFACE (900K)

RESOLUTION ANALYSIS

• Resolution Limits and Dynamic Ranges for Migrated PS Images (Schuster, 2.8M)
• Resolution Limits for VSP Migration (Schuster, 1M)
• Resolution Limits of Migrated Images (Chen, 2.1M)

MIGRATION ANALYSIS

• Migration of Autocorrelograms (Schuster, etc., 2.5M)
• Seismic Array Theorem and Rapid Calculation of 3-D Recording Footprint (Schuster, 1.4M)
• Green's Function for Migration (Schuster, 2.8M)
• Quasi-Monte Carlo migration of Alberta Data (Chen, 13M)
• Point Scatterer Tests for Quasi-Monte Carlo Migration (Chen, 5.6M)

TOMOGRAPHY

• 3-D Traveltime Tomography Applied to Oquirrh Fault Data(David M. Morey, 21M)
• Viscoelastic Waveform Inversion of Crosshole Pressure Field Data: Preliminary Results(Wang, 2.2M)
• Crosswell Imaging with Surface Sources and Tube Waves(Meng, 1.7M)

FILTERING METHODS

• Separation of Signal and Coherent Noise by Migration Filtering: Theory(Tamas, 10M)
• Separation of Signal and Coherent Noise by Migration Filtering: Field Data Examples(Tamas, 26M)
• Multi-Component Separation of PP and SS by Least-Squares Migration Method: Synthetic and Field Data Tests(Wang, 5.4M)
• Multiple Removal by Least Squares Migration Filtering(Liu, 1.9M)

MODELING METHODS

• Axisymmetric Single-Well Modeling by a Viscoelastic Adaptive Grid Finit-Difference Method(Wang, 3.5M)
• Bayou Choctaw Model 3-D Viscoelastic Simulations(Xu Ji)

INVERSE VSP METHODS

• Drill Bit as a Source for Inverse VSP Data(Sun and Wu, 1.6M)

COMPUTER CODES

• DataFormat Conversion Code for UTAM Forward Modeling Codes. (Wu, 149K)
• On-line Resolution Calculator. (Wu 112K)
• Forward Modeling Promax Modules(Wu, 7.9M)

We would appreciate your comments, critic, research wish list, future research directions, etc.. Send email to "G.T. Schuster" for your comments and suggestion.

Updated Feb. 18, 1997 ------- Constructed by Jing Chen