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Cementing Slurry
- Fluid Loss Additive Series
- Retarder Series
- Accelerator Series
- Dispersant Series
- Anti-Gas Migration Agent Series
- Defoamer Series
- Lightening Agent Series
- Weighting Agent Series
- Strength Enhancer Series for Light Weight Slurry
- Pipeline Flushing Agent Series for Spacer
- Spacer Agent Series for Spacer Liquid
- Anti-Contamination Agent for Completion Fluids
- Drilling Fluid
- Oil Recovery Chemicals
- 2-Acrylamide-2-Methylpropanesulfonic Acid
DF-T Defoamer for Oil Well Cementing
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Product Description
DF-T eliminates bubbles through reducing the surface tension of liquid.
Characteristics
DF-T is the ester defoamer.
Non-poisonous, non-odor, and non-corrosivity and has no harmful influence on the environment.
Normal dosage: 0.1%～0.3% (BWOC).
With anti foam, anti foam, anti gas channeling function. Eliminate bubbles quickly.
Has acid and alkali resistance, high temperature resistant.
Good compatibility with other additives.
Have no adverse effect on other properties of cement slurry.
Technical Specification
*The ingredient of the cement in the table is: G class cement, Dosage of G33S: 1.5% (BWOC), water-cement ratio: 0.44, Density of the cement slurry: 1.90±0.01g/cm3，Distilled water or drinking water.
| Items | Specification |
| Appearance | Homogeneous liquid |
| Cement slurry density recovery rate,% | ≥90.0 |
| Formula of cement slurry: | |
| Cement slurry system formula: G grade oil well cement 600g, water 264g. | |
| Foaming cement slurry system formula: G grade oil well cement 600g, drag reducer USZ 3.0g, 120 mesh polyvinyl alcohol 3.0g, water 264g. | |
| Formula of defoaming cement slurry system: G grade oil well cement 600g, drag reducer USZ 3.0g, 120 mesh polyvinyl alcohol 3.0g, defoamer DF-T 0.6g, water 264g. | |
| Water quality: distilled water. | |
Packing, Storage
Be stored in 25 L plastic barrel.
Storage and transportation to prevent leakage and damage, not near fire.
Storage life time is one year.
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