Drilling fluid loss agent with high temperature resistance of saturated salt R - 27 (180 ℃)(EPMC)
2024-06-13 10:00Drilling fluid loss agent with high temperature resistance of saturated salt R - 27 (180 ℃)(EPMC)
Product Description
Drilling fluid loss agent with high temperature resistanDrilling fluid loss agentce of saturated salt (180 ℃), R - 27 is AMPS copolymer derivatives, the fluid loss agent can significantly improve the ultra high temperature under the condition of drilling fluid temperature resistance, salt resistance, fluid loss performance,;Suitable for all kinds of undersaturated salt water and fresh water drilling fluid under 180 ℃ high temperature fluid loss.
Scope and features
1, applies to 180 ℃ of fresh water, salt water (such as potassium chloride, sodium chloride, magnesium chloride, calcium chloride brine) drilling fluid loss;
2, suitable for all kinds of density conditions, especially high and ultra-high density drilling fluid filtration loss;
3. The recommended dosage (dry agent) in drilling fluid is 2-5%.
Technical Specification
Project | Index | |
Appearance | A white, grayish - white powder or particle | |
Water content,% | ≤10 | |
Screening rate (20 mesh screening), % | ≥50 | |
pH | 7~9 | |
Constant temperature 180 ℃ x 16 h | Apparent viscosity of 30% saline slurry,mPa·s | ≤50 |
High temperature and high pressure filtration loss of 30% saline slurry,ml | ≤40 | |
Reduction rate of high temperature and high pressure filtration loss of 30% saline slurry,% | ≥85 |
Usage and dosage
The recommended dosage (dry agent) in drilling fluid is 0.5-2%.