vertical depth

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• True vertical depth — [http://www.glossary.oilfield.slb.com/Display.cfm?Term=true%20vertical%20depth] 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… …   Wikipedia

• Depth in a well — In the oil and gas industry, depth in a well is the measurement, for any point in that well, of the distance between a reference point or elevation, and that point. It is the most common method of reference for locations in the well, and… …   Wikipedia

• Depth kymography — is the 3D display of the human vocal fold vibrations by measuring its vertical and horizontal movements simultaneously, using a specially designed 3D endoscope. This new 3D imaging method and the new scientific term Depth Kymography are… …   Wikipedia

• Depth Kymography — is the simultaneous measurement of the human vocal fold vibrations in the vertical and horizontal directions and its display as a 3D image or as a movie. This new 3D imaging method and the new scientific term Depth Kymography is introduced by… …   Wikipedia

• depth — vertical distance through, height, e.g. body depth, caudal peduncle depth, head depth, etc., q.v …   Dictionary of ichthyology

• Depth charge — Grenade anti sous marine Grenade Mark XI utilisée par l US Navy, à la fin de la 2e GM. A la différence des grenades classiques, elle est profilée et possède des ailettes (sur la partie supérieure) pour la mettre en rotation, lui donnant une… …   Wikipédia en Français

• Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …   Wikipedia

• Depth charge — For other uses, see Depth charge (disambiguation). Mark IX Depth Charge used by the U.S. Navy late in World War II. Unlike the cylindrical, barrel shaped depth charge used earlier, the Mark IX is streamlined and equipped with canted fins to… …   Wikipedia

• Depth–slope product — The depth–slope product is used to calculate the shear stress at the bed of an open channel containing fluid that is undergoing steady, uniform flow. It is widely used in river engineering, stream restoration, sedimentology, and fluvial… …   Wikipedia

• depth — noun a) The vertical distance below a surface; the amount that something is deep. Measure the depth of the water in this part of the bay. b) The distance between the front and the back, as the depth of a drawer or closet. The depth of her misery… …   Wiktionary

• depth — noun 1) the depth of the caves Syn: deepness, distance downward, distance inward; drop, vertical extent; archaic profundity Ant: shallowness 2) the depth of his knowledge Syn: extent, ra …   Thesaurus of popular words