Calcium Carbonate is acid soluble grinded Calcium Carbonate, It is used as a bridging and a weighing agent used in drilling. It is used to increase mud density and is preferred to barite as it is acid soluble. It is grinded in three coarse, medium and fine.
Typical Physical Properties
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Specification
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Properties
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Fine white free flowing powder
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Physical state
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2.6 – 2.7
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Specific gravity
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Less than 250 rpm
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Water soluble content
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> 98 %
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Solubility in 15 % HCL
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< 2 %
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Moisture content
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95 % min
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CaCO3 content
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Less than 5 %
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Retention on 200 mesh sieve
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Specification
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Properties size analysis
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Micron rating
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Calcium carbonate grade
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D50 = 2-5 Micron
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Extra fine
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|
D50 = 10-14 Micron
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fine
|
|
D50 = 135-165 Micron
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Medium
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D50 = 550-650 Micron
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Coarse
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