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Downhole seismic source
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Patent number 4,991,685
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Issue date Feb 12, 1991
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Atlantic Richfield Company
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Tom P. Airhart
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G01 - MEASURING TESTING
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Vibratory seismic source
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Patent number 4,848,512
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Issue date Jul 18, 1989
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Atlantic Richfield Company
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Tom P. Airhart
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G01 - MEASURING TESTING
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Amphibious seismic source
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Patent number 4,799,572
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Issue date Jan 24, 1989
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Atlantic Richfield Company
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Tom P. Airhart
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G01 - MEASURING TESTING
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Acoustic pulse generator
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Patent number 4,284,165
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Issue date Aug 18, 1981
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Atlantic Richfield Company
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Tom P. Airhart
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G01 - MEASURING TESTING
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Acoustic pulse generator
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Patent number 4,284,164
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Issue date Aug 18, 1981
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Atlantic Richfield Company
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Tom P. Airhart
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G01 - MEASURING TESTING
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