- G31S is polymerized by AMPS, low molecular amide, multi hydroxy carboxylic acid, auxiliary solvent, etc.
- Anti temperature property: 30 ~ 120℃.
- Water solubility: dissolved in water easily.
- Filtration property: ≤ 150ml API FL.
- Generally dosage range: 0.5 ~ 1.2% (BWOC).
- Good compatibility with other additives.
- Compatibility with cement: suitable for all levels of oil well cement.
- The cement slurry thickening transition time is short, close to right angle thickening.
- Suitable for low, conventional and high density cement slurry system .
- Having a little retarding property to the cement slurry.
ADDITIVES CATEGORIES
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Fluid Loss Control Additive for Oil Well Cementing
Product Description :
G31S reduces the slurry cake permeability by the aggregation of water-soluble high polymer molecular chain. And a variety of functional groups are introduced into the polymer to enhance the anti high temperature property .
Performance Characteristics :
Technical indicators :
| Items | Specification |
| Appearance | White or gray white free flowing powder or particles |
| Water content, % | ≤ 8.0 |
| Fineness ( 0.315mm sieve residue ), % | ≤ 15.0 |
| Initial consistency, Bc / 80℃, 46.5MPa, 45min | ≤ 30.0 |
| Mutation value of thickening curve, Bc | ≤ 10.0 |
| 40Bc ~ 100Bc time, min | ≤ 40.0 |
| Fluid loss, ml / 80℃, 6.9MPa, 30min | ≤ 150.0 |
| Free liquid, % | ≤ 1.4 |
| Compression strength, MPa / 102℃, 21MPa, 24h | ≥ 14.0 |
The ingredient of the cement in the table is: JiaHua G class cement: 800g + tap-water: 352ml, Dosage of G31S: 0.8% (BWOC).
Packaging, storage and transportation ：
- Sacked with three-layer plastics bag, 25kgs per bag.
- Be kept away from moisture and possible damage of the packages in transportation, and stored in cool and dry situation.
- Storage life time is two years.
