Clay concentration of drilling mud (methylene blue test)

Input(s)

$V_{m b}$: Volume of Methylene Blue used in Experiment, meq/100 mL (mL)

$V_{d m}$: Volume of Drilling Mud used in Experiment, meq/100 mL (mL) $V_{s c}$: Volume of Solid Content (Cuttings or Bentonite) in Drilling Mud, meq/100 mL (g)

$M B T_{m}$: Methylene Blue Result of Drilling Mud (mL/mL)

$M B T_{d s}$: Methylene Blue Result of Drilling Cuttings $(\mathrm{mL} / \mathrm{mL})$

$M B T_{m}$: Methylene Blue Result of Clay $(\mathrm{mL} / \mathrm{mL})$

Output(s)

$f_{c}$: Clay Content Ratio in Drilling Mud (fraction)

$C_{c}$: Clay Concentration in Drilling Mud (lb/bbl)

Formula(s)

Reference(s)

Altun, G., Drilling Fluids Lab, Course Notes, ITU Petroleum and Natural Gas Engineering, Istanbul, Turkey, 2013-2014. Experiment 3, Page: 4.