Apparatus and method for coring and/or drilling

Apparatus and method for drilling with casing

Apparatus and method for obtaining a core at in situ pressure

Apparatus and method for obtaining subterranean samples

Apparatus and method for steering a pipe jacking head

Apparatus and method for underground sampling

Apparatus and method to drill and lift core-drilled...

Apparatus for controlling a ramming device

Apparatus for directional drilling

Apparatus for extracting subterranean gas samples

Apparatus for hard rock sidewall coring a borehole

Apparatus for improving impact tool lubrication

Apparatus for making earth bores

Apparatus for making holes in soil

Apparatus for making underground passages

Apparatus for obtaining a soil core sample

Apparatus for obtaining a soil core sample

Apparatus for recovering ground soil samples

Apparatus for sinking wells in the ground

Assembly and method for extracting discrete soil samples