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Subject: |
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| HV-CMC |
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Content: |
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Properties£º
white or slight yellow floc-like fiber powder or white powder, odorless, tasteless, no toxicity; disolved in cold water or hot water.
The drilling , well-digging of petroleum and natural gas
Physical properties:
a) Item: CMC - HV, CMC - LV
b) Appearance: free flowing off white powder
c) Moisture content: 10.0% max
d) PH of solution: 6.0 - 8.5
e) Particle size: 95% min., can pass through 40mesh
Mud performance properties:
a) CMC - HV 600rpm reading value
1) 2.2g in 350ml distilled water: ¡Ý30
2) 2.7g in 350ml 4% NaCl: ¡Ý30
3) 2.5g in 350ml saturated NaVl: ¡Ý30
c) Item fluid loss (ml / ):¡Ü10
¢Ù . The CMC slurry can form a filter cake on the wall of well to lower the water loss of well.
¢Ú CMC can help slurry release the gas and dischaarge the broken matter
¢Û CMC can prolong the existing period of drilling fluid
¢Ü CMC drilling fluid is seldom infected by mould , the high PH value and antiseptic are unnecessary
¢Ý CMC can be used as flush fluid to reduce the pollutation of soluble-salts
¢Þ CMC slurry can work well in 150¡æ
You can choose CMC according to your requirements and local conditions
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| 2014/6/3 |
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