TVD may refer to:
*
True Vertical Depth
True vertical depth'is the measurement of a straight line perpendicularly downwards from a horizontal plane.
In the petroleum industry, true vertical depth, abbreviated as TVD, is the measurement from the surface to the bottom of the borehole ...
, the vertical depth of the drill bit, used while
directional drilling
Directional drilling (or slant drilling) is the practice of drilling non-vertical bores. It can be broken down into four main groups: oilfield directional drilling, utility installation directional drilling, directional boring (horizontal dire ...
, especially when horizontal.
*
Total variation diminishing
*''
The Vampire Diaries
''The Vampire Diaries'' is an American supernatural fiction, supernatural teen drama television series developed by Kevin Williamson (screenwriter), Kevin Williamson and Julie Plec, based on the The Vampire Diaries (novel series), book series ...
'', an American television series which began airing in 2009.
*ISO 4217 code for
Tuvaluan dollar
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it:TVD