Difference between revisions of "Water density"
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==Formation water density== | ==Formation water density== | ||
| − | [[File:Water density.png|thumb|right| | + | [[File:Water density.png|thumb|right|400px|Water density correlation in the PVT software at pengtools.com]] |
| − | The density of formation water (brine) at standard conditions (14.7psia & 60°F) | + | The density of formation water (brine) at standard conditions (14.7psia & 60°F): |
| − | :<math> \rho_{wSC} = C_{mg/l}/25000 + 62.428</math> | + | :<math> \rho_{wSC} = C_{mg/l}/25000 + 62.428</math><ref name= M1990/> |
| − | The density of formation water (brine) at reservoir conditions | + | The density of formation water (brine) at reservoir conditions: |
| − | :<math> \rho_{wR}=\rho_{wSC}/B_w </math> | + | :<math> \rho_{wR}=\rho_{wSC}/B_w </math><ref name= M1990/> |
==Example. Calculating formation water density == | ==Example. Calculating formation water density == | ||
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:<math> \rho_{wSC} = 74289.3/25000 + 62.428 = 65.4 lb_m/ft^3</math> | :<math> \rho_{wSC} = 74289.3/25000 + 62.428 = 65.4 lb_m/ft^3</math> | ||
:<math> \rho_{wR} = 65.4/1.022= 64 lb_m/ft^3</math> | :<math> \rho_{wR} = 65.4/1.022= 64 lb_m/ft^3</math> | ||
| + | |||
| + | The solution is also available in the PVT software model at [The solution is available in the PVT calculator software model at [https://www.pengtools.com/pvtCalculator?paramsToken=d0f0c9c587152cefc27d1217e091ace0 www.pengtools.com] | ||
== Nomenclature == | == Nomenclature == | ||
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==See also== | ==See also== | ||
| + | :[[Water bubble point pressure]]<BR/> | ||
| + | :[[Water compressibility]]<BR/> | ||
| + | :[[Water density]]<BR/> | ||
| + | :[[Water formation volume factor]]<BR/> | ||
| + | :[[Water salinity from density equation]]<BR/> | ||
:[[Water solids concentration]]<BR/> | :[[Water solids concentration]]<BR/> | ||
| − | + | :[[Water viscosity]]<BR/> | |
| + | :[[Gas/Water Interfacial Tension]] | ||
== References == | == References == | ||
<references> | <references> | ||
Latest revision as of 08:16, 5 October 2020
Contents
Formation water density
The density of formation water (brine) at standard conditions (14.7psia & 60°F):
The density of formation water (brine) at reservoir conditions:
Example. Calculating formation water density
Example source [1]
Input data
at 3176 psia and 165°F
Estimate the density of the brine at standard conditions (14.7psia & 60°F) and at 3176 psia and 165°F?
Solution
The solution is also available in the PVT software model at [The solution is available in the PVT calculator software model at www.pengtools.com
Nomenclature
= water formation volume factor, res bbl/STB
= water salinity or solids concentration, mg/l
= water density at standard conditions, lbm/ft3
See also
- Water bubble point pressure
- Water compressibility
- Water density
- Water formation volume factor
- Water salinity from density equation
- Water solids concentration
- Water viscosity
- Gas/Water Interfacial Tension
References
- ↑ 1.0 1.1 1.2 McCain, W.D. Jr. (1990). Properties of Petroleum Fluids (2 ed.). Oklahoma: PennWell Corp. ISBN 978-0878143351.
