Double-poly Ammonium Salt for Drilling Fluid
General Introduction
Double-poly ammonium salt is generated by the polymerization and hydrolysis of acrylonitrile. It has the characteristics of small dosage, strong inhibitive ability, salinity and high temperature resistance.
Properties
Fig. 1 drilling fluid property
Items
Index
Fresh water base mud
FL , m L
25±2.0
AV , m Pa·s
6 ~ 10
Fresh water base mud and double-poly ammonium salt
FL , m L
≤ 18.0
AV , m Pa·s
≤ 15.0
Salt water base mud
FL , m L
55±3.0
AV , m Pa·s
4 ~ 8
Salt water base mud and double-poly ammonium salt
FL , m L
≤ 35.0
AV , m Pa·s
≤ 15.0
Fig.2 chemical and physical property
Items
Index
Appearance
Free-flowing powder and particle
Loss after drying ,%
≤ 15.0
Ammonium content ,%
≥5.0
Ignition residue ,%
≤ 4.0
Characteristics
1. Strong inhibitive ability, good anti-caving effective, keep hole regular, reduce pipe sticking
2. Improve mud cake quality, reduce filtration loss.
3. Have little influence on rheology behavior of drilling fluid
4. Strong salinity resistance, suitable in saturated salt water.
5. Good compatibility
6. No toxicity no pollution, meeting environmental requirements
Notes
1. Routine dosage is 0.2-2.0%
2. This product should be stored in a cool, ventilated place to avoid the sun and rain.
Package
It is packed in kraft paper sacks, with net weight 25kg per sack.
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