Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Barite
barite plug
A settled volume of barite particles from a barite slurry placed in the wellbore, usually to seal off a pressured zone.
baryte
Variation of barite. See barite.
barite slurry
A mixture of barium sulfate, chemicals, and water of a unit density between 18 and 22 pounds per gallon
galena
Lead sulfide (PbS). Technical grades (specific gravity about 7) are used for increasing the density of drilling fluids to points impractical or impossible with barite.
dispersed phase
That part of a drilling mud--clay, shale, barite, and other solids--that is dispersed throughout a liquid or gaseous medium, forming the mud.
barium sulfate
A chemical combination of barium, sulfur, and oxygen which forms a tenacious scale that is very difficult to remove. See barite.
barite
Barium sulfate; a mineral frequently used to increase the weight or density of drilling mud. Its relative density is 4.2 (or 4.2 times denser than water). See barium sulfate, mud.
silt
Material that exhibits little or no swelling and whose particle size generally falls between 2 microns and API sand size, or 74 microns (200-mesh) A certain portion of dispersed clays and barite for the most part also fall into this same particle-size range.
drilling fluid
Circulating fluid, one function of which is to force cuttings out of the wellbore and to the surface. Other functions are to cool the bit and to counteract downhole formation pressure. While a mixture of barite, clay, water, and chemical additives is the most common drilling fluid, wells can also be drilled by using air, gas, water, or oil-base mud as the drilling fluid. See mud.