F-k filtering of multiple reflections from a seismic section

Fairings for cables

Falling weight gravity gradiometer

Fast 3d inversion of electromagnetic survey data using a...

Fast cycle seismic gas exploder and method

Fast t1 measurement of an earth formation by using driven...

Faulty filter detection technique

Feature modeling in a finite element model

Ferromagnetic object detector

Fiber optic mems seismic sensor with mass supported by...

Fiber optic system for electromagnetic surveying

Fibre-optic seismic sensor

Field correlator

Field fan filter

Field method for detecting deposits containing uranium and...

Filter wheel source assembly for downhole spectroscopy

Finding distance to blowout using wellbore acoustic...

Fixed-depth of investigation log for multi-spacing...

Fixed-installation underground pool active and/or passive...

Fixing a geographical reference of a vehicle travelling...