P-wave anisotropy determination using borehole measurements

Passive seismic event detection

Performing 3-D scatterer imaging from 2-D seismic data

Performing quality control with respect to positioning of...

Permanent seafloor seismic recording system utilizing micro...

Phase correcting seismic traces

Phase shifting of waveforms

Point location determination at or close to the surface

Polarizaton diversity for optical fiber applications

Power leveling telemetry system

PP/PS event matching (registration)

Precorrelation filtering

Predictive noise filtering of multi-component seismic data

Pressure and velocity detectors for seismic exploration

Pressure wave sensing device of the piezoelectric type with cont

Pressurized lead-in for a seismic streamer cable

Prestack seismic migration

Procedure for seismic surveying

Process and an apparatus for seismic geophysics with processing

Process and device for detecting seismic signals in order to obt