Apparent viscosity

Apparent viscosity

Apparent viscosity [http://www.glossary.oilfield.slb.com/Display.cfm?Term=apparent%20viscosity] is a rheological property calculated from rheometer readings performed by a Mud engineer on drilling fluid. It is normally abbreviated as AV. It is expressed in cP (Centipoise). Centipoise is the amount of force required to move one layer of fluid in relation to another. One centipoise is equal to one hundredth of a poise.

cope

For this article, apparent viscosity is described, as used in drilling fluid applications in the Oil exploration industry. There may be other applications in other fields of study such as fluid mechanics (The study of the movement of fluid) or fluid dynamics (The study of the flow of fluid).

Determination

:AV_{cP} = frac{x}{2},

Where:

*AV = Apparent viscosity

*cP = centipoise

*1 Centipoise = One hundredth of a poise

*"x" = The θ600rpm reading from a rheometer

*rpm = Revolutions per minute

Application

The apparent viscosity [http://www.glossary.oilfield.slb.com/Display.cfm?Term=apparent%20viscosity] is but one of many calculations derived from tests performed on the drilling fluid. These calculations and tests help the mud engineer develop and maintain the properties of the drilling fluid to the specifications required.

ee Also

*Fluid Dynamics
*Drilling mud
*Rheology
*Mud Engineer
*Petroleum Engineering
*Drilling rig
*Oilfield
*Oil well
*Oil field acronyms
*List of oilfield service companies
*List of oil fields
*Natural gas field

*EnergyPortal


Wikimedia Foundation. 2010.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • apparent viscosity — tariamoji klampa statusas T sritis Standartizacija ir metrologija apibrėžtis Neniutoninio skysčio klampa. atitikmenys: angl. apparent viscosity vok. Scheinviskosität, m rus. кажущаяся вязкость, f pranc. viscosité apparente, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • apparent viscosity — tariamoji klampa statusas T sritis chemija apibrėžtis Neniutoninio skysčio klampa. atitikmenys: angl. apparent viscosity rus. кажущаяся вязкость …   Chemijos terminų aiškinamasis žodynas

  • Apparent viscosity — Кажущаяся вязкость; Структурная [эффективная] вязкость; псевдопластичность …   Краткий толковый словарь по полиграфии

  • Viscosity — For other uses, see Viscosity (disambiguation). Viscosity The substance above has lower viscosity than the substance below SI symbol: μ, η SI unit: Pa·s  …   Wikipedia

  • viscosity — In general, the resistance to flow or alteration of shape by any substance as a result of molecular cohesion; most frequently applied to liquids as the resistance of a fluid to flow because of a shearing force. [L. viscositas, fr. viscosus,… …   Medical dictionary

  • Magnetorheological fluid — Continuum mechanics …   Wikipedia

  • Non-Newtonian fluid — Continuum mechanics …   Wikipedia

  • Power-law fluid — NOTOC A Power law fluid is a type of generalized Newtonian fluid for which the shear stress, tau; , is given by : au = K left( frac {partial u} {partial y} ight)^n where: * K is the flow consistency index (SI units Pa bull;s n ), * part; u /… …   Wikipedia

  • Electrorheological fluid — Electrorheological (ER) fluids are suspensions of extremely fine non conducting particles (up to 50 micrometres diameter) in an electrically insulating fluid. The apparent viscosity of these fluids changes reversibly by an order of up to 100,000… …   Wikipedia

  • List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”