Drilling Mud Classification
They are classified based on their fluid phase, alkalinity, dispersion and the type of chemicals used.
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Famous quotes containing the words drilling and/or mud:
“Don’t spend your time in drilling soldiers, who may turn out hirelings after all, but give to undrilled peasantry a country to fight for.”
—Henry David Thoreau (1817–1862)
“... to paint with oil paints for the first time ... is like trying to make something exquisitely accurate and microscopically clear out of mud pies with boxing gloves on.”
—Brenda Ueland (1891–1985)