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Bentonite
>>Drilling Bentonite |
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Drilling Bentonite
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| Petroleum and natural gas industrial
standard of People's Republic of China |
| Drilling liquid bentonite SY/T5060-93 |
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Specification
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Items
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Index
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| Primary bentonite |
Secondary
bentonite |
Tertiary bentonite |
| Reading for
? 600 |
≥30.0 |
≥30.0 |
≥23.0 |
| Filtration
loss. Ml |
≤15.0 |
≤17.0 |
≤22.0 |
| Moving shearing
force. Pa |
≤1.5×PV value |
≤3×PV value |
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| Moisture.
% |
≤10.0 |
≤12.0 |
≤12.0 |
| Wet screening
analysis: 0.074mm screening margin % |
≤4.0 |
≤4.0 |
≤4.0 |
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