Cost of Coring per Foot Formula |
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\( C_c \;=\; \dfrac{ C_b + C_r \cdot ( T_c + T_t + T_r ) }{ F_c \cdot R_c } \) |
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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$ | - |