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Telemetric system
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Optical system for detecting acoustic wave energy in a fluid medium
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Seismic vibrator baseplate
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Depth transducer protective assembly
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Method of seismic lithologic modeling
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Optical goniometer containing immiscible fluids having different refractive indices
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Rf telemetric system
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Marine acoustic gradient sensor
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Beam-activated complex-solid formation utilizing pattern-independent, coordinate-sequence construction
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Dual-mode vibrator
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Wavelength-division-multiplexed receiver array for vertical seismic profiling
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Method for mounting poorly consolidated core samples
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Marine seismic sensor
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