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
Turbodrill
Downhole assembly of bit and motor in which the bit alone is rotated utilizing a fluid turbine which is activated by the drilling mud. The mud turbine is usually placed just above the bit.
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