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Drilling EngineeringWell ControlCalculation record

Brine Fluid Density to Mix for Temperature Correction Calculator

ρmix=ρavg+(Tavg−Tsurface)WL\rho_{mix}=\rho_{avg}+(T_{avg}-T_{surface})WL

Enter the declared drilling engineering inputs below to solve rho_mix. Variable definitions, units, the default calculation, and the available source trail are included on this page.

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Inputs

Defaults provide a quick field-unit example for the equation.

4 variables

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Extended guidance in preparation

What is available in this record

This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.

Formula reference

Formula, variables, and default calculation

ρmix=ρavg+(Tavg−Tsurface)WL\rho_{mix}=\rho_{avg}+(T_{avg}-T_{surface})WL

Reproducible default result

With the default values shown below, the calculation returns rho_mix = 10.75 ppg. Defaults demonstrate the implementation; they are not recommended field values.

rho_avgppg

10.5

T_avgdegF

180

T_surfacedegF

80

WLppg/degF

0.0025

Input definitions

rho_avg

ppg

Fluid Density at Average Temperature

T_avg

degF

Average Temperature

T_surface

degF

Surface Temperature

WL

ppg/degF

Brine Weight Loss per Degree Fahrenheit

Output definitions

rho_mix

ppg

Fluid Density to Mix

rho_avg

ppg

Fluid Density at Average Temperature

T_avg

degF

Average Temperature

T_surface

degF

Surface Temperature

WL

ppg/degF

Brine Weight Loss per Degree Fahrenheit

Source and record status

Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.

reviewed

IADC WellSharp Formula Sheet, field units, temperature correction formula for brines.

Open source reference