CNPC standard lost circulation additive oil drilling grade
USD $190 - $600 /Kilogram
Min.Order:1000 Kilograms
Shijiazhuang Xinhui Mineral Products Co., Ltd.
CNPC standard lost circulation additive oil drilling grade
(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. | ||
Main composition | High activity of humic acid and its derivatives, cellulose, vegetable Gum and pentosan etc. | ||
specification | 60 mesh | ||
Index of product | item | index | |
appearance | Light yellow or grey yellow powder | ||
Sieve rediue (screen aperature 0.28mm) |
≤10.0 | ||
PH value | 6.0 ~ 8.0 | ||
Moisture % | ≤8.0 | ||
Ignition residue % | ≤7.0 | ||
properties of drilling fluid | apparent viscosity variation |
±20.0 | |
Density g/cm3 | ≥1.00 | ||
Filtration after sealing(30min.)ml |
≤40 | ||
feature | High speed and good effect on plugging the leakage of pore and small crack. | ||
Rapidly form a impervious shield with a certain strength preventing liquid and solid into reservoir in order to protect the reservoir undamaged. | |||
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 | |||
Recommended dosage | 1 ~ 2% for preventing leakage | ||
2 ~ 4% for plugging pores and small cracks and protecting reservoir | |||
4 ~ 6% for plugging the serious leakage layer | |||
packing | 25kg/bag | ||
attention | Store in dry and cool place, avoid sun exposure and prevent from package damaged and damp |
other plugging agents show
uniaxial pressure sealant for drilling fluid
compound plugging agent
walnut shell powder & granule