Product features
This product is a kind of functional copolymer, which is the core treatment agent for ultra-high Density drilling fluid, meeting the requirements of 2.5g /cm3 * 2.8g/cm3 high Density drilling fluid. The drilling fluid dispersing agent can improve the rheological property of high density drilling fluid and can withstand the temperature above 180℃. It has good compatibility with the filtrate Reducer and other additives of drilling fluid.
Technical indicators
|
Model |
FDS210 |
FDS220 |
|
Appearance |
white or light yellow free flowing powder |
|
|
Solid content |
≥90% |
|
|
Temperature resistance |
≥150℃ |
≥180℃ |
|
Salt resistance |
Saturated brine |
Saturated brine |
|
Degree of hydrolysis |
20-35% |
|
|
Sieve allowance |
≤10% |
|
|
Apparent viscosity |
≤20 mPa·s |
≤30mPa·s |
Method of application
The dosage is adjusted according to the site conditions to obtain the desired dispersion effect. The dosage is generally 0.1 to 0.4% in clear water and 0.4 to 1% in brine. It is recommended to prepare 1-2% polymer Aqueous solution and then add it to drilling fluid as required.
Store the product in dry and cool place, avoid insolation. Shelf life is two years.
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