Fluid loss additive

HTHP starch Risol-htstar

HT Starch
Risol-Htstar

Product Description
HT starch using starch as the main body, to increase hydration groups by carboxy methylation, also with the coordinated effect of high temperature and solvent ,to modify physical property of starch granules, to improve the water solubility of the product, and add high temperature stabilizer, so the temperature resistance capacity can be up to 150℃. At the same time ensure its good fluid loss performence under the condition of low temperature.HTHP starch is an environmental friendly filtration reducer. Its common dosage is 1%-2%.

Technical Specification

Items			Specifications
Appearance			White or pale yellow free-flowing powder
Moisture, %			≤10
AV，mPa·S	Room temperature	4% Salt water mud	≤9
		Saturated brine mud	≤12
API FL,mL	Room temperature (1% dosage)	4% Salt water mud	≤10
		Saturated brine mud	≤10
	150℃ /16h (1.5% dosage)	4% Salt water mud	≤15
		Saturated brine mud	≤15

Features
    It can effectively reduce filtration loss;
    It basically does not extract viscosity;
    It is degradable, not toxic and does not harm the environment.
    It can stands 150℃;
    It can resist salt, magnesium and calcium so that it can be applied in various drilling and completion fluids;
It has good fluid loss performence under the condition of low temperature and high temperature, and has wide applicable temperature range.

Package and Storage
    They shall be packaged in a triple sack with the lined bag. The net weight of each sack is 25kg. They shall be stored in a shady, dry, and ventilated place.

Safety
    They shall be avoided contact with eyes, skins and clothes, otherwise flush it with water. Handling methods and dangerous data shall be referred to MSDS.

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Fluid loss additive

HTHP starch Risol-htstar

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