Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent
1986-12-12
1989-09-19
Steinberger, Brian S.
Acoustics
Geophysical or subsurface exploration
Seismic wave generation
367189, 181121, 181401, G01V 104
Patent
active
048670960
ABSTRACT:
A device for generating elliptically polarized shear waves for introduction into a soft earth medium including marshy and water-covered earth surfaces. The device consists of a shear wave generator coupled to a coupling tube having a conical lower end that is maintained in energy-coupling relationship within the earth medium. Shear waves such as elliptically generated shear waves are introduced into the tube member for travel along the tube and further earth coupling about the bottom cone member as it is progressively driven into the earth medium. Suitable hold-down weight is utilized to maintain most effective coupling pressure on the cone member, and, support equipment, either land or marine vehicle, may include crane and alignment structure for continually maintaining the tubular vibrator member in proper vertical attitude during operation.
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Conoco Inc.
Steinberger Brian S.
LandOfFree
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