Drilling Polymer with heat resistance and salt tolerance for Fluid Loss Control
Polymer with white to light-yellow appearance was polymerized by heat resistance and salt tolerance allyl monomers. It provides better rheology regulation and fluid loss control.
Email: [email protected]
Drilling Polymer with heat resistance and salt tolerance for Fluid Loss Control
Drilling Polymer with white to light-yellow appearance was polymerized by heat resistance and salt tolerance allyl monomers. Polymer provides better rheology regulation and fluid loss control.
Polymer has some advantages as follows:
low viscosity effect in mud by special molecular structure;
superior function in fresh mud and brine mud;
Better heat resistance in fluid loss system;
Perfect anti-sloughing and clay hydration control performance.
Performance evaluation
table1 rheology and fluid loss
| mud type | hot rolling
150℃×16h |
AV
mpa.s |
FL
mL |
| 4%NaCl | before hot rolling | 21 | 7.4 |
| after hot rolling | 15 | 10.2 | |
| saturated brine | before hot rolling | 22 | 8.0 |
| after hot rolling | 16 | 10.4 |
*Brine+10% benonite+0.3%NaCO3+2%polymer product.
Anti-sloughing and clay hydration control performance
table2 anti-sloughing and clay hydration control performance
| sample | expansion coefficient reduction rate % | cuttings rolling recovery
% |
| Acrylic acid – acrylamide copolymer | 51.2 | 89.0 |
| polymer product
Drilling Polymer |
58.4 | 91.4 |
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Modified bentonite
