This part of ISO 10414 provides standard procedures for determining the following characteristics of oil-based
drilling fluids:
a) drilling fluid density (mud weight);
b) viscosity and gel strength;
c) filtration;
d) oil, water and solids concentrations;
e) alkalinity, chloride concentration and calcium concentration;
f) electrical stability;
g) lime and calcium concentrations, calcium chloride and sodium chloride concentrations;
h) low-gravity solids and weighting material concentrations.