Classifications for Schlumberger Technology Corp

E21B

Earth Drilling, E.g. Deep Drilling ; Obtaining Oil, Gas, Water, Soluble Or Meltable Materials Or A Slurry Of Minerals From Wells

G01V

Geophysics; Gravitational Measurements; Detecting Masses Or Objects; Tags

G06F

Electric Digital Data Processing

G01N

Investigating Or Analysing Materials By Determining Their Chemical Or Physical Properties

C09K

Materials For Miscellaneous Applications, Not Provided For Elsewhere