Wellbore Strengthening & Pressure-Bearing Materials
Zero-Permeability Treatment Agent for Drilling Fluids
A zero-permeability treatment agent synthesized from composite high-polymer materials. It quickly forms a dense, near-zero-permeability isolation film on the wellbore, blocking filtrate invasion and the pore-pressure-driven losses and sloughing it causes, and remains stable from -20 °C to 180 °C with strong salt and calcium/magnesium tolerance.
APPLICATIONS
Application scenarios
- 01Easily lost formations such as sands, gravels and fractured zones
- 02Oil, gas, water and geothermal wells, for pretreatment and ongoing mud maintenance
- 03Wellbore strengthening and old-well remediation
PERFORMANCE
Performance indicators
| Item | Specification |
|---|---|
| Appearance | Yellow or Tan-Brown Powder |
| Moisture % | <10 |
| Medium-Pressure Sand Bed Fluid Loss ml | <5 |
| Fluorescence Level | <4 |
| Apparent Viscosity mPa.s | <10 |
USAGE
Usage
Readily soluble and fast-acting; add directly through the mixing hopper with good agitation. Typical dosage is 1.0%-3.0% by weight; no special mixing equipment is required.
PACKAGING
Packaging & delivery
25 kg/bag standard; export packaging available on request.
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Zero-Permeability Treatment Agent for Drilling Fluids
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