Fluid-Loss Control Additives
High-Temperature Resistant Starch for Drilling Fluids
A fluid-loss control additive made from chemically modified natural starch, combining excellent high-temperature stability with an environmentally friendly profile. It regulates mud rheology and protects wellbore stability in high-temperature drilling, making it well suited to deep and ultra-deep oil and gas wells.
High-Temperature Resistant Starch for Drilling FluidsAll products
- 01High-temperature deep and ultra-deep well drilling
- 02Fluid-loss control in 4% saltwater, saturated saltwater and CaCl2-treated mud systems
- 03Operations requiring low-toxicity, environmentally acceptable additives
| Item | Specification | |
|---|---|---|
| Appearance | White or Pale Yellow Powder | |
| Moisture % | ≤12.0 | |
| Apparent Viscosity after Aging at 130 °C mPa·S | 4% Saltwater Mud | ≤10.0 |
| Apparent Viscosity after Aging at 130 °C mPa·S | Saturated Saltwater Mud | ≤12.0 |
| API Fluid Loss after Aging at 130 °C mL | 4% Saltwater Mud | ≤15.0 |
| API Fluid Loss after Aging at 130 °C mL | Saturated Saltwater Mud | ≤20.0 |
| API Fluid Loss in 2% CaCl₂ Solution mL | ≤10.0 |
Add directly through the mixing hopper with good agitation. Typical dosage is 0.5%-2.0% by weight; run pilot tests to optimize the treatment rate for the specific mud system.
25 kg/bag standard; export packaging available on request.
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High-Temperature Resistant Starch for Drilling Fluids