true (vertical) depth
1True 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… …
2Depth 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… …
3Measured depth — (a) is an imaginary line representing the True vertical depth, while line (b) is the borehole itself, and its length is called the measured depth. In the oil industry measured depth (commonly shortened to MD), is the length of the borehole, line… …
4Depth 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 …
5Depth–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… …
6TVD — True Vertical Depth (Computing » General) True Vertical Depth (Academic & Science » Ocean Science) True Vertical Depth (Academic & Science » Meteorology) * Tricuspid Valve Dysplasia (Medical » Physiology) * Torque Velocity Dynamometer… …
7List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
8Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… …
9Well kill — A well kill refers to the operation of placing a column of heavy fluid into a well bore in order to prevent the flow of reservoir fluids without the need for pressure control equipment at the surface. It works on the principle that the weight of… …
10Directional drilling — A horizontal directional drill in operation Directional drilling (or slant drilling) is the practice of drilling non vertical wells. It can be broken down into three main groups: Oilfield Directional Drilling, Utility Installation Directional… …
