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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 25 (1941)

Issue: 7. (July)

First Page: 1343

Last Page: 1362

Title: Seismic Velocity Variations in San Joaquin Valley, California

Author(s): Walter S. Olson (2)


Velocity data have been obtained in approximately eighty wells in the San Joaquin Valley largely due to the efforts of the Cooperative Well Velocity Surveying Group, organized in July, 1938. Analysis of these data has revealed the existence of rapid lateral changes in velocity which fit into a regional pattern. The causes of the variations are discussed, also their effect on seismic-reflection mapping. Some methods for correcting reflection-survey data are considered.

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