- G302 consists of water-dissolved macromolecules and other related additives.
- Appearance: non-poisonous and non-odor.
- Normal dosage: 0.8%～2.0% (BWOC).
- Used in oil wells whose circulate temperature is between 40℃～120℃, and combined with retarder.
- Has no harmful influence on compression strength.
- Preferred to mix without water.
ADDITIVES CATEGORIES
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Performance Characteristics :
Technical indicators :
| Appearance | Gray flow-ability powder or particles |
| Water content, % | ≤ 8.0 |
| Fineness ( 0.315mm screen residue ), % | ≤ 15.0 |
| Initial consistency , Bc / 85℃, 46.5MPa, 45min | ≤ 30.0 |
| Mutation value of thickening curve, Bc | ≤ 10.0 |
| Transition time, min | ≤ 40.0 |
| Fluid loss, ml / 80℃, 6.9MPa, 30min | ≤ 150.0 |
| Compression strength, MPa / 102℃, 0.1MPa, 24h | ≥ 14.0 |
The ingredient of the cement slurry in the table is: G class cement, W/C: 0.44, dosage of G302 1.2% (BWOC) + USZ 0.3% (BWOC), Water quality: distilled water.
Packaging, storage and transportation ：
- Be sacked with three-layer plastics bag, 25kgs per bag.
- Be kept away from moisture and possible damage of the packages in transportation, and be stored in cool and dry situation.
- Storage life time is two years.
