DESCRIPTION OF MODIFIED STARCH
DESCRIPTION
This product is used for filtration control in all types of water base drilling fluids ranging from fresh to salt saturated waters. It also has shale inhibitive characteristics. It meets or exceeds API 13A specifications. Its thermal stability is up to 120¡æ. It is also can be bacterial fermentation.
QUALITY SPECIFICATION
Item |
Specifications |
||
Appearance |
White powder |
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Suspension capability |
600r/ min reading |
Distilled water |
¡Ü18 |
40g/L saline water |
¡Ü18 |
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Saturated saline water |
¡Ü20 |
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Salty water |
¡Ü20 |
||
filtration |
Distilled water |
¡Ü10 cm3 |
|
40g/L saline water |
¡Ü10 cm3 |
||
Saturated saline water |
¡Ü10 cm3 |
||
Salty water |
¡Ü10 cm3 |
||
Residue (¡Ý2000¦Ìm) |
Nil |
USAGE & DOSAGE
This product could be added into drilling fluid directly or slowly added into water to form dense colloid solution in case of forming large blocks to influence solution rate.
Suggested dosage is 0.5-1 %.
PACKAGE
The product is usually kept in a compound or multi-wall bags, with each net weight 25 KG; Special packages are available based on customers' requirements.
STORAGE
The product should be kept in shady, dry and ventilated warehouse with environment temperature controlled within 122F and relative humidity 50%.The expiration period is 12 months. It should not be utilized unless examined and qualified if out of expiration.
SAFETY
Avoid contacting with eyes, skin and clothing. Otherwise, wash with a flush of water. Refer to Material Safety Data Sheet (MSDS) for complete handling and hazard data.