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U.S. Department of Energy
Office of Scientific and Technical Information

Marine seismic system

Patent ·
OSTI ID:6471226
This patent describes a method of marine seismic exploration of the earth strata beneath a body of water. It comprises: generating in the body of water downwardly travelling compressional waves and sensing at the interface between the body of water and earth strata upwardly travelling reflected shear waves that have been converted at the earth strata from the downwardly travelling compressional waves.
Assignee:
Shell Oil Co., Houston, TX (USA)
Patent Number(s):
A; US 4942557
Application Number:
PPN: US s 6-495854
OSTI ID:
6471226
Country of Publication:
United States
Language:
English