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Cementing Slurry
- Fluid Loss Additive Series
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- Drilling Fluid
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- 2-Acrylamide-2-Methylpropanesulfonic Acid
OCL-LXT-1 High-Temperature and Salt-Resistant Rheology Modifier for Drilling Fluids
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Product Description
The high-temperature and salt-resistant rheology modifier OCL-LXT-1 is a graft copolymer synthesized from AMPS, acrylic acid, and pyrrolidone. It exhibits excellent thermal stability up to 220°C and performs effectively in freshwater, seawater, brine (including saturated brine), gypsum formations, polymer non-dispersed systems, high-calcium systems, and deep well drilling fluids. OCL-LXT-1 provides outstanding viscosity enhancement, shear strength improvement, and rheological stability, along with excellent fluid loss control. It is a new type of high-temperature and salt-resistant rheology modifier suitable for deep and high-temperature wells.
Characteristics
Excellent viscosity and shear strength enhancement.
Outstanding fluid loss control performance (up to 220 °C).
Applicable to freshwater, seawater, and saturated brine drilling fluids.
Recommended dosage: 2%–4%.
Technical Specification
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Appearance |
White to light yellow powder |
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|
Moisture, % ≤ |
10 |
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15% brine slurry, hot rolling aged at 220 °C for 16 h: |
Apparent viscosity, mPa·s ≥ |
25 |
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Plastic viscosity, mPa·s ≥ |
15 |
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API fluid loss, mL ≤ |
12 |
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HTHP fluid loss (200 °C), mL ≤ |
40 |
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Packing, Storage
Packed in double-layer woven bags with an inner plastic liner, or in triple-layer composite bags, 25 kg net weight per bag.
The product should be stored in a ventilated, dry, and clean warehouse.
Shelf life: two years
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