Drilling Industry Glossary
tail cement
tension limit
thribble
tie-back liner
ton-mile
toolpusher
TOC
TOL
torque
torque and drag
total depth (TD)
total flow rate (TFA)
traveling block
trip in
trip out
tripping
true vertical depth (TVD)
tungsten carbide
turbodrill
turnkey contract
twist-off
Tungsten Carbide
Tungsten carbide (WC) is an inorganic chemical compound containing equal parts of tungsten and carbon atoms. In its most basic form, it is a fine gray powder, but it can be pressed and formed into shapes for use in industrial machinery, tools, abrasives, as well as jewelry. Tungsten carbide is approximately three times stiffer than steel, with a Young's modulus of approximately 550 GPa, and is much denser than steel or titanium.
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