P-wave anisotropy evaluation by measuring acoustic impedance...

Package insert with integrated radio frequency transponder

Package verification

Parallel transceiver for nuclear magnetic resonance system

Parameter sensing apparatus and method for subterranean wells

Parameter telemetering from the bottom of a deep borehole

Parametric modeling of well log data to remove periodic errors

Parametric seismic source

Partitioning algorithm for building a stratigraphic grid

Passive ferromagnetic detection station

Passive geophysical prospecting apparatus and method based...

Passive marker structure

Passive safety system with a direction sensing exit zone for...

Passive seismic event detection

Penetration control for nuclear magnetism well logging

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

Performing geoscience interpretation with simulated data

Permanent downhole resonant source

Permanent emitting-receiving device for the monitoring of an...

Permittivity measurements with oil-based mud imaging tool