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Medium-high temperature anti-saline fluid loss agent XBA-201
Introduction
XBA-201 has two types：XBA-201L (liquid ) and XBA-201S (solid);
XBA-201 is a polymer product with AMPS and AM as monomers.
XBA-201’s applicable temperature is 30~120℃(BHCT).
XBA-201 is not retarded and benefited to cement strength development.
XBA-201 slurry system is stable and has good compatibility.
XBA-201 is applicable to semi-saturated brine.
XBA-201L only can be used through wet mixing.
XBA-201S could be used through wet or dry mixing.
XBA-201’s dosage need to be adjusted according to temperature, salinity and cementing requirements.
Basic performance
|
Product |
Appearance |
Dosage |
|
|
Freshwater system |
Brine system |
||
|
XBA-201L |
Colorless or light yellow liquid |
3~6% |
4~8% |
|
XBA-201S |
White or light gray powder |
0.8~3.0% |
1.0~3.0% |
Slurry performance
|
Item |
Experimental condition |
Technical indicator |
|
|
Fluid loss, mL |
Freshwater system |
80℃，6.9MPa |
≤50 |
|
Brine system |
120℃，6.9MPa |
≤150 |
|
|
Others |
Initial consistency, Bc |
80℃，46.5MPa，45min |
≤30 |
|
40-100Bc thickening transition time, min |
≤40 |
||
|
Thickening time, min |
≥70 |
||
|
Free fluid, % |
80℃，0.1MPa |
≤1.4 |
|
|
24h compressive strength, MPa |
102℃，20.7MPa |
≥14 |
|
|
Slurry composition |
Fresh water system：API class G(HSR) 800g , fresh water, XBA-201L 32g(4%) or XBA-201S 12g(1.5%), defoamer 1.2g（0.15%）; Slurry density: 1.90±0.02g/cm3(adjusted by adding water). | ||
Packaging and Storage
Packaging: XBA-201L is packed with 25kg barrel, XBA-201S is packed with 25kg bag, or according to user requirements.
Storage: The packed products should be saved in a dry and ventilated place, avoid rain, moisture, exposure and heat.