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best selling products drilling fluid additive
(Plugging agent while drilling in drilling fluid)
product introduction
definition |
Plugging agent while drilling in drilling fluid is also called modified vegetable fibers. It is a composite lost circulation product composed of natural materials and manufactured according to scientific prescription. |
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Main composition |
High activity of humic acid and its derivatives, cellulose, vegetable Gum and pentosan etc. |
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specification |
60 mesh |
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Index of product |
item |
index |
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appearance |
Light yellow or grey yellow powder |
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Sieve rediue (screen aperature 0.28mm) |
≤10.0 |
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PH value |
6.0 ~ 8.0 |
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Moisture % |
≤8.0 |
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Ignition residue % |
≤7.0 |
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properties of drilling fluid |
apparent viscosity variation |
±20.0 |
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Density g/cm3 |
≥1.00 |
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Filtration after sealing(30min.)ml |
≤40 |
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feature |
High speed and good effect on plugging the leakage of pore and small crack. |
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Rapidly form a impervious shield with a certain strength preventing liquid and solid into reservoir in order to protect the reservoir undamaged. | |||
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Significantly reduce the filtrate loss of mud and no affect on the Rheological properties of mud.excellent performance of high temperature. | |||
No affection by electrolyte pollution, harmless and non-toxic | |||
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Recommended dosage |
1 ~ 2% for preventing leakage |
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2 ~ 4% for plugging pores and small cracks and protecting reservoir | |||
4 ~ 6% for plugging the serious leakage layer | |||
packing |
25kg/bag |
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attention |
Store in dry and cool place, avoid sun exposure and prevent from package damaged and damp |
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other plugging agents show
uniaxial pressure sealant for drilling fluid
compound plugging agent
walnut shell powder & granule
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