AF870 Fluid Loss Additive
Product Description
1.AF870 fluid loss additive is a synthetic polymer which is capable of effectively reducing water loss filtering from the slurry to porous formation during cementing process.
2.Applicable for high and ultra-high temperature oil well cementing.
3.Control fluid loss in normal density cement slurries, lightweight and high density cement slurries.
4.Compatible well with other additives, especially high temperature polymeric retarder.
5.Used below temperature of 204.4℃(400℉, BHCT).
6.Applicable mixing water: from fresh water to salt-saturated water.
7.Compatible well with other additives, especially high temperature polymeric retarder.
8.AF870 series consists of L-type liquid, L-A type anti-freezing liquid, P-P type high purity powder, P-D type dry-mixed powder and P-T type dual-use powder.
Specifications
|
Type |
Appearance |
Density,g/cm3 |
Water-Solubility |
|
AF870L |
Colorless or faint yellow liquid |
1.10±0.05 |
Soluble |
|
AF870L-A |
Colorless or faint yellow liquid |
1.15±0.05 |
Soluble |
|
Type |
Appearance |
Density,g/cm3 |
Water-Solubility |
|
AF870P-P |
White or faint yellow powder |
0.80±0.20 |
Soluble |
|
AF870P-D |
Grey powder |
1.00±0.10 |
Partly soluble |
|
AF870P-T |
White or faint yellow powder |
1.00±0.10 |
Soluble |
Recommended Dosage
|
Type |
AF870L(-A) |
AF870P-P |
AF870P-D |
AF870P-T |
|
Dosage Range (BWOC) |
2.0-8.0% |
0.5-2.0% |
1.5-5.0% |
1.5-5.0% |
Cement Slurry Performance
|
Item |
Test condition |
Technical Indicator |
|
|
Density of the cement slurry, g/cm3 |
25℃, Atmospheric Pressure |
1.90±0.01 |
|
|
Fluid loss, ml |
Fresh water system |
150℃, 6.9mPa |
≤50 |
|
18% salt water system |
120℃, 6.9mPa |
≤150 |
|
|
Thickening performance |
Initial consistency, Bc |
150℃/73min, 94.4mPa |
≤30 |
|
40-100 Bc thickening time, min |
≤40 |
||
|
Free fluid, % |
150℃, 20.7mPa |
≤1.4 |
|
|
24h compressive strength, mPa |
≥14 |
||
Standard Packaging and Storage
1.The liquid type products should be used within 12 months after production. Packed in 25kg, 200L and 5 US gallon plastic barrels.
2.P-P/D type powder products should be used within 24 months and P-T type powder product should be used within 18 months after production. Packed in 25kg bag.
3.Customized packages are also available.
4.Once expired, it shall be tested before use.
Package
25KG/BAG or as you request.
Storage
Store at a ventilated, dry place.
Executive Standard
International Standard.
