Knowde Enhanced TDS
Identification & Functionality
- Industrial Additives Functions
- Technologies
Features & Benefits
- Labeling Claims
- Industrial Additives Features
- Benefits
- Aqueous solution
- Fully dissolved
- High concentration with manageable viscosity
- Excellent freeze-thaw stability
- Good solution stability
- Displays desired pumpability across a wide temperature range
- Compatible with other streams
- Does not retard cement
- Functions well in temperatures up to ~170°F (77°C)
- Environmentally friendly
- Meets industry standards for fluid loss control agents
- Rheology
- Free water
- API fluid loss
Applications & Uses
- Markets
- Applicable Processes
- Industrial Additives End Use
- Applications
Off-shore cementing
Properties
- Appearance
- Clear liquid solution
- Physical Properties
- Slurry Performance
Typical Performance for different slurries with Selvol™ Premiol OSC 10
Test Temperature (°F) 120° 120° 120° 168° 170° 170° Density (ppg) 16.6 16.6 16.6 16.6 16.6 16.6 Selvol™ Premiol OSC 10 (gal/sk) 0.86 0.86 0.86 0.86 0.74 0.78 API Fluid Loss (mL/30min) 14 11 22 85 64 68 Free Water (%) at 190°F 2 - 1.6 1.6 - - Slurry Design: Class H Cement + 0.5% to 1.0% bwoc Dispersant + 0.02 gal/sk Defoamer + 0.01 gal/sk Retarder
| Value | Units | Test Method / Conditions | |
| Specific Gravity | 1.09 | — | — |
Regulatory & Compliance
- Certifications & Compliance
Technical Details & Test Data
- Recommended Slurry Design
Well Condition
- 13-5/8 intermediate liner
- 8,200 depth
- BHST = 145°F (63°C)
- BHCT = 120°F (49°C)
- BH Pressure = 6,000 psi
Slurry- Texas Lehigh Class H Cement
- 0.86 gal/sk Selvol™ Premiol OSC 10
- 0.625 bwoc Daxad 19
- 0.02 gal/sk FP-6L
- 3.32 gal/sk fresh water
- Density = 16.6 lb/gal
- Yield = 1.05 cu-ft/sk
RheologyTemperature 300 rpm 200 rpm 100 rpm 60 rpm 30 rpm 6 rpm 3 rpm PV YP 80°F 340 244 130 84 46 14 8 315 cP 25 lb/100ft² 120°F 230 154 80 48 26 6 4 225 cP 5 lb/100ft² Free Water
Temperature Measured Fluid Free Water (%) 120°F 4 mL 1.6 Fluid Loss
Temperature Collected Fluid Time Fluid Loss 120°F 11 mL 30 min 22cc/30-min Compressive Strength
Condition Time 50 psi 7:10 (hrs:min) 500 psi 8:05 (hrs:min) 2646 psi 12:00 (hrs:min) 4604 psi 24:00 (hrs:min) Thickening Time
Condition Time Pressure Temperature Initial 0 min 760 psi 80°F Final 37 min 6000 psi 120° F Time to 70 Bc : 4h 20m
Well Condition- 9-7/8 drilling liner
- 11,500 depth
- BHST = 197°F (91.6°C)
- BHCT = 168°F (75.5°C)
- BH Pressure = 9,500 psi
Slurry- Texas Lehigh Class H Cement
- 0.86 gal/sk Selvol™ Premiol OSC 10
- 0.625 bwoc Daxad 19
- 0.02 gal/sk FP-6L
- 0.01 gal/sk Kelig 32 (50% sol’n)
- 0.20% bwoc sodium meta silicate
- 3.32 gal/sk fresh water
- Density = 16.6 lb/gal
- Yield = 1.05 cu-ft/sk
Rheology
Temperature 300 rpm 200 rpm 100 rpm 60 rpm 30 rpm 6 rpm 3 rpm PV YP 80°F 300 200 112 70 40 10 4 282 cP 18 lb/100ft² 168°F 138 90 46 24 16 4 2 138 cP 1 lb/100ft² Free Water
Temperature Measured Fluid Free Water (%) 168°F 4 mL 1.6 Fluid Loss
Temperature Collected Fluid Time Fluid Loss 168°F 30 mL 15 min 85cc/30-min Compressive Strength
Condition Time 50 psi 9:01 (hrs:min) 500 psi 10:12 (hrs:min) 1234 psi 12:00 (hrs:min) 2918 psi 24:00 (hrs:min) Thickening Time
Condition Time Pressure Temperature Initial 0 min 1000 psi 80°F Final 48 min 9500 psi 168° F Time to 70 Bc : 3h 12m
- Selvol™ Premiol OSC 10 Performance
- Selvol™ Premiol OSC 10 displays desirable pumpability across a wide temperature range and after freeze-thaw exposure
- Aging studies prove solution stability over time despite high concentrations
- Selvol™ Premiol OSC 10 has an optimum shelf life of four to six months
- Shelf life could be extended with addition of Sekisui recommended biocide, KathonLX.
- Selvol™ Premiol OSC 10 has excellent freeze-thaw stability
- Pumpability
Viscosity of Selvol™ Premiol OSC 10 vs. Temperature
- Stability
Selvol™ Premiol OSC 10 Aging Study
- Freeze/Thaw
Effect of Freeze/Thaw cycles on Selvol™ Premiol OSC 10 Viscosity (Brookfield LVD, spindle LV4 at 60 rpm)
