Amount of Additive Required to Achieve a Required Cement Slurry Density

on 29 December 2024. Posted in Drilling Engineering

Amount of Additive Required to Achieve a Required Cement Slurry Density formula
\( x \;=\; \dfrac{ \left( \dfrac{ \rho \cdot 11.207983 }{ SG_c } \right) + ( \rho \cdot C) - 94 - ( 8.33 \cdot C ) }{ \left( 1 + \dfrac{ A }{ 100 } \right) - \left( \dfrac{ \rho }{ 8.33 \cdot SG_a } \right) - \left( \rho + \dfrac{ A }{ 100 } \right) }\)
Symbol	English	Metric
\( x \) = Amount of Additive Required	\(lbm \;/\; stroke\)	-
\( \rho \) = Required Slurry Density	\(lbm \;/\; gal\)	-
\( SG_c \) = Cement Specific Gravity	\(dimensionless\)	-
\( C \) = Cement Water Requirement	\(gal \;/\; stroke\)	-
\( A \) = Additive Water Requirement	\(gal \;/\; stroke\)	-
\( SG_a \) = Additive Specific Gravity	\(dimensionless\)	-

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