Super Micropowder Calcium Carbonate QS-2 for Oilfield Drilling

water-based drilling fulid additive
high purity
acid soluble over 99%
nice blockage
cost effective &environmentally friendly
Super Micropowder Calcium Carbonate QS-2 for Oilfield Drilling
1.
Property
QS-2 is chiefly composed of calcium carbonate, highly pure, acid soluble over 99%. Its fineness and distribution of particle size are in conformity with the requirement of oil field application. Choice material is used and produced with exquisite technology. We are the first manufacturer.
2.
Quality Indexes:
Table 1
Item
Indexes
Type I
Type I
Basic mud
Initial abstraction, ml
> 250
> 250
filter loss amount, ml
> 300
> 300
4% added in the basic mud
Initial abstraction, ml
< 5.0
< 25.0
filter loss amount, ml
< 20.0
< 60.0

Table 2
Item
Indexes
Type I
Type I
Moisture content, %
< 1.0
< 1.0
Density, g/cm3
2.70 ±0.10
2.50 ±0.10
Calcium carbonate insoluble, %
> 97.0
> 97.0
Chlorhydric acid insoluble %
< 1.0
< 1.0
Particle size
> 20 μm, %
< 20.0
< 5.0
< 2 μm, %
< 30.0
< 40.0
X
50
( median dia), μm
4.0-10.0
2.0-4.0
3.
Use
QS-2 is chiefly used in water-base drilling fluid and well completion fluid as acid soluble bridge blocking additive and inert fluid loss additive. The result is good.
Recommended quantity to be added in: 4%
4.
Storage and Package
25Kg net sealed in 4-in-1 compound paper bag with plastic lining. During storage and transport see that the bag is intact, and the rain is strictly prohibited.