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GEOPHYS 205: Honors Program

Experimental, observational, or theoretical honors project and thesis in geophysics under supervision of a faculty member. Students who elect to do an honors thesis should begin planning it no later than Winter Quarter of the junior year. Prerequisites: department approval.
Terms: Aut, Win, Spr, Sum | Units: 1-3 | Repeatable 4 times (up to 15 units total)

GEOPHYS 207: Journey to the Center of the Earth (GEOPHYS 107, GES 107, GES 207)

The interconnected set of dynamic systems that make up the Earth. Focus is on fundamental geophysical observations of the Earth and the laboratory experiments to understand and interpret them. What earthquakes, volcanoes, gravity, magnetic fields, and rocks reveal about the Earth's formation and evolution.
Terms: Win | Units: 3

GEOPHYS 210: Basic Earth Imaging

Echo seismogram recording geometry, head waves, moveout, velocity estimation, making images of complex shaped reflectors, migration by Fourier and integral methods. Anti-aliasing. Dip moveout. Computer labs. See http://sep.stanford.edu/sep/prof/.
Terms: Aut | Units: 3-4

GEOPHYS 211: Environmental Soundings Image Estimation

Imaging principles exemplified by means of imaging geophysical data of various uncomplicated types (bathymetry, altimetry, velocity, reflectivity). Adjoints, back projection, conjugate-gradient inversion, preconditioning, multidimensional autoregression and spectral factorization, the helical coordinate, and object-based programming. Common recurring issues such as limited aperture, missing data, signal/noise segregation, and nonstationary spectra. See http://sep.stanford.edu/sep/prof/.
Terms: Aut | Units: 3

GEOPHYS 222: Reflection Seismology

(Formerly 182.) The principles of seismic reflection profiling, focusing on methods of seismic data acquisition and seismic data processing for hydrocarbon exploration.
Terms: Aut | Units: 3

GEOPHYS 223: Reflection Seismology Interpretation

The structural and stratigraphic interpretation of seismic reflection data, emphasizing hydrocarbon traps in two and three dimensions on industry data, including workstation-based interpretation. Lectures only, 1 unit. Prerequisite: 222, or consent of instructor.
Terms: Spr | Units: 1-4

GEOPHYS 224: Seismic Reflection Processing

(Formerly 184.) Workshop in computer processing of seismic reflection data. Students individually process a commercial seismic reflection profile from field tapes to migrated stack, using interactive software on a workstation. Prerequisite: consent of instructor.
Terms: Win | Units: 2

GEOPHYS 240: Crosswell Seismic Profiling

Seismic imaging between boreholes for applications to subsurface characterization, reservoir imaging, and reservoir monitoring. Topics include data acquisition, data analysis, data processing and imaging. Inversion models for transmitted, reflected, and diffracted waves for imaging velocity, attenuation, and anisotropy in heterogeneous media. Use of field datasets and field applications. Prerequisites: 160 or equivalent; familiarity with Matlab or other programming language.
Last offered: Winter 2008

GEOPHYS 241A: Practice of Geostatistics and Seismic Data Integration (ENERGY 141, ENERGY 241)

Students build a synthetic 3D fluvial channel reservoir model with layer depths, channel geometry, and facies-specific petrophysic and seismic properties, stressing the physical significance of geophysical data. Reference data set is sparsely sampled, providing the sample data typically available for an actual reservoir assessment. Geostatistical reservoir modeling uses well and seismic data, with results checked against the reference database. Software provided (GSLIB and SRBtools). Prerequisite: ENERGY 240. Recommended: experience with Unix, MATLAB/C++/Fortran programming.
Terms: Spr | Units: 3-4

GEOPHYS 255: Report on Energy Industry Training

On-the-job-training for master's and doctoral degree students under the guidance of on-site supervisors. Students submit a report detailing work activities, problems, assignment, and key results. May be repeated for credit. Prerequisite: written consent of adviser.
Terms: Aut, Win, Spr, Sum | Units: 1-3 | Repeatable for credit
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