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Coalescentrum supplies high quality oil and gas drilling grade bentonites: 1) API-Grade Bentonite 2) OCMA-Grade Bentonite 3) Extended Drilling Bentonite
The specifications and typical values of each product are in the following tables: |
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Oil & Gas Drilling Bentonite |
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3) Extended Drilling Bentonite |
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Suspension Properties |
Specifications/Standards |
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Viscometer dial reading at 600r/min |
Min.35.0 |
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Yield point/plastic viscosity Ratio |
Max.4.0 |
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Filtrate volume |
Max.15.0 ml |
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Residue of diameter greater than 75um |
Max.mass fraction 4% |
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Moisture |
Max.mass fraction 10.0% |
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Volume/Amount (double efficiency) |
50% less volume needed (comparing with API Bentonite) |
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1) API -Grade Bentonite |
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Suspension Properties |
API Specification |
Typical Value |
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Viscometer dial reading at 600r/min |
Min.30 |
35 |
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Yield point/plastic viscosity Ratio |
Max.3 |
2.4 |
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Filtrate volume |
Max.15 ml |
12 ml |
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Residue of diameter greater than 75um |
Max.mass fraction 4.0% |
3.0% |
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2) OCMA- Grade Bentonite |
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Suspension Properties |
OCMA Specification |
Typical Value |
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Viscometer dial reading at 600r/min |
Min.30 |
35 |
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Yield point/plastic viscosity Ratio |
Max.6 |
4.0 |
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Filtrate volume |
Max.16.0 ml |
12 ml |
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Residue of diameter greater than 75um |
Max.mass fraction 2.5% |
2.0% |
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Moisture |
Max.mass fraction 13.0% |
11.0% |