Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Flocculation
CMC
Abbreviation: see sodium carboxymethyl cellulose, coagulation, flocculation.
clabbered
(slang) commonly used to describe moderate to severe flocculation of mud due to various contaminants.
flocculation
The coagulation of solids in a drilling fluid, produced by special additives or by contaminants.
deflocculation
The dispersion of solids that have stuck together in drilling fluid, usually by means of chemical thinners. See flocculation.
flocculating agent
Material or chemical agent that enhances flocculation.
calcium contamination
Dissolved calcium ions in sufficient concentration to impart undesirable properties, such as flocculation, reduction in yield of bentonite, and increased fluid loss, in a drilling fluid. See also calcium carbonate, calcium sulfate, gypsum.
surfactant mud
A drilling mud prepared by adding a surfactant to a water-base mud to change the colloidal state of the clay from that of complete dispersion to one of controlled flocculation. Such muds were originally designed for use in deep, high-temperature wells, but their many advantages (high chemical and thermal stability, minimum swelling effect on clay-bearing zones, lower plastic viscosity, and so on) extend their applicability.