Core drill bit with extended crown height
Core drilling latch assembly
Core drilling latch assembly
Core receiver and method of use thereof
Core sample collector equipped with sterilizing...
Core sample collector equipped with sterilizing...
Core sampling apparatus and method
Core sampling device
Core stabilization apparatus and method therefor
Core stabilization apparatus and method therefor
Coring assembly and method
Coring device with an improved core sleeve and anti-gripping col
Coring tool and method
Coring tubular and method for reducing contamination and...
Coring tubular and method for reducing contamination and...
Coring with tubing run tools from a producing well
Crane-mounted drill and method for in-situ treatment of contamin
Cutter structure for shield machine
Cutter, a stopper means and a method of preventing mud from ente
Cuttings disposal system