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Oilfield Auxiliary - Hydrolysis polyacrylnitrile, calcium salt

I.Characteristics: pale yellow or offwhite powder with good water solubility

II. Composition: copolymer of nitrile, amide, calcium carboxyl and sodium carboxyl, etc.

III. Use: mainly used in filtration reducer for nondispersable low-solid phase polymer drilling fluid, capable to improve quality, temperature resistance, salt pollution resistance and flow patten, etc of mud cakes.

IV. Quality standard: Sy5063-85

1. Properties and indexes of drilling fluid:

Item
Value
Fresh water base solution
Filtration, ml
25±2 
Apparent viscosity, mPa·s ≤
7.0
Add 2.0g/L of Na-HPAN in fresh water base solution
Filtration, ml≤
13.0
Apparent viscosity, mPa·s ≤
7.0
Fresh water base solution
Filtration, ml
55±3
Apparent viscosity, mPa·s ≤
8.0
Add 15.0g/L of Na-HPAN in fresh water base solution
Filtration, ml≤
20.0
Apparent viscosity, mPa·s ≤
10.0

2. Physicochemical standard:

Item
Value
Purity % ≥
68.0
Water content % ≤
7.0
Calcium content % ≤
14.0
Finness (passing 80mesh sieve)%
95.0
PH ≤
12

V.Packing: Packed in polypropylene woven bag lined with polyvinyl plastic bag. Net weight: 25 kg/bag.

VI. Attention: Store in ventilated and dry places. Protect it from moisture and rain.

Oilfield Auxiliary - Hydrolysis polyacrylnitrile, sodium salt

I. Characteristics: pale yellow powder, insoluble in water, aqueous solution is alkaline

II. Composition: outcome of polyacryylonitrile hydrolyzed by solium hydroxide

III. Use: mainly used in filtration reducer for water-base drilling liquid, with viscosity reducting character, capable to resist 250οC in diluted cement slurry.

IV. Quality standard: Sy5062-85
1. Properties and indexes of drilling fluid:

Item
Value
Fresh water base solution
Filtration, ml
25±2 
Apparent viscosity, mPa·s ≤
7.0
Add 2.0g/L of Na-HPAN in fresh water base solution
Filtration, ml≤
13.0
Apparent viscosity, mPa·s ≤
10.0
Fresh water base solution
Filtration, ml
55±3
Apparent viscosity, mPa·s ≤
8.0
Add 15.0g/L of Na-HPAN in fresh water base solution
Filtration, ml≤
13.0
Apparent viscosity, mPa·s ≤
10.0

2. Physicochemical properties & standard:

Item
Value
Purity % ≥
85.0
Water content % ≤
7.0
Residual alkali % ≤
2.5
Finness (passing 10mesh sieve)%
100
Appearance
freely flowing granules or powder

V. Packing: Packed in polypropylene woven bag lined with polyvinyl plastic bag. Net weight: 25 kg/bag.

VI. Attention: Store in ventilated and dry places. Protect it from moisture and rain.

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