[I] Polyanionic Cellulose for oil drilling

Polyanionic cellulose(PAC) is white or yellowish powder that is ordorless tasteless and non-toxic.

Petroleum grade Product features:
1, high degree of substitution, good uniformity of substitution .
2, high transparency, viscosity and water loss can be controlled .
3, suitable for fresh water, sea water, saturated brine slurry .
4, stabilize soft soil structure, prevent collapse of wall of a well .
5, can improve mud-making volum, reduce filteration loss .
6, has excellent performance in drilling of oil .
specification

Requirement
PAC-HV
PAC-LV
Appearance
Free-flowing powder
API filtrate volume:
At 0.57%(2ppb) of PAC concentration, ml
≤20
≤25
At 0.86%(3ppb) of PAC concentration, ml
≤15
≤15
At 1.14%(4ppb) of PAC concentration, ml
≤10
≤10
YP volume:
At 0.57%2ppbof PAC concentration
≥2.4Pa
(5 lb/100feet
2
)
≤0.5Pa
(1 lb/100feet
2
)
At 0.86%3ppbof PAC concentration
≥9.6Pa
(20

lb/100feet
2
)
≤1.0Pa
(2 lb/100feet
2
)
At 1.14%4ppbof PAC concentration
≥19.2Pa
(40 lb/100feet
2
)
≤1.5Pa
(3 lb/100feet
2
)
(According to API)