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Cost of Coring per Foot

            

Cost of Coring per Foot Formula

\( C_c \;=\;  \dfrac{ C_b + C_r \cdot ( T_c + T_t + T_r )  }{ F_c \cdot R_c } \)     
Symbol English Metric
\( C_c \) = Cost of Coring  \( / ft -
\) C_b \( = Core Bit Cost \) \( \) -
\( C_r \) = Rig Cost \( \) \( -
\) T_c \( = Total Coring Time \)hr\( -
\) T_t \( = Trip Time \)hr\( -
\) T_r \( = Core Recovery Time \)hr\( -
\) F_c \( = Footage Cored \)ft\( -
\) R_c \( = Core Recovery Percentage \)dimensionless$ -

 

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