Improvements in marine em exploration

Improvements in or relating to methods of logging geological...

Improvements in or relating to methods of logging geological...

Improvements in or relating to seismic wave measuring devices

Improvements in processes for the tomographic inversion of...

Improvements in the discrimination of metallic targets in...

Improvements in time-domain electromagnetic geophysical...

Improvements relating to magnetic tags or markers

Improvements to crossplot analysis of a.v.o. anomoalies in...

Improvements to surface pointing techniques

Improving the accuracy of shaly sand formation evaluation

Impulse noise generator

In situ determination of hydrocarbon characteristics...

In situ measurements in formation testing to determine true...

In situ method for determining soil liquefaction tendency...

In-situ method for determining pore size distribution,...

Inclinable vibratory seismic source

Indirect shearwave determination

Indirect-error-based, dynamic upscaling of multi-phase flow...

Induced polarization logging