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les additifs de cimentation
CH610
  • Manuel d'exploitation
  • MSDS
  • Norme professionnelle

SUMMARY

1、  Retarder helps extend the thickening time of cement slurry in order to keep it pumpable, which, therefore, ensures sufficient pumping time for a safe cementing project.

2、  Thickening time has a linear relation with the added amount. The Right-Angle thickening curve can be achieved, and mutation of slurry consistency is small.

3、  Strength of set cement develops fast, and the top of the sealing section will not over-retarded.

4、  CH610 has a certain dispersion effect. In the cement slurry system containing CH610, suspension agent should be added to adjust the stability if necessary.

5、  Use below 150℃(302℉,BHCT).

6、  Has good compatibility with polymer fluid loss additive, and little influence on fluid loss performance at high temperature.

7、  Use in freshwater or salt water, salt-tolerant up to saturated brine.

PHYSICAL AND CHEMICAL INDICATORS

Type

Appearance

Density, g/cm3

Water-Solubility

CH610L

White or faint yellow liquid

1.20±0.05

Soluble

Type

Appearance

Bulk Density, g/cm3

Water-Solubility

0.315mm Residues, %

CH610S-P

White or faint yellow powder

0.70±0.20

Soluble

< 15

RECOMMENDED DOSAGE

Type

CH610S-P

CH610L

Dosage Range (BWOC)

0.2-2.0%BWOC

0.3-4%BWOC

CEMENT SLURRY PERFORMANCE

Item

Test Condition

Technical Indicator

Initial consistency, Bc

150℃/73min94.4MPa

30

40-100Bc thickening time, min

40

Thickening time adjustability

Adjustable

Sudden change value of consistency, Bc

10

Free fluid , %

1.4

Compressive strength for 24h, MPa

150℃, 20.7MPa

14

Composition: API Class G(HSR) 600g, silica flour 210g(35%), silica fume 36g(6%), mixed water 342g (including), defoamer 1.8g(0.3%), CH610.

Note: The dosage of CH610 is determined under the precondition of adjusting the thickening time range of cement slurry at 150℃ to 200—375 min.


STANDARD PACKAGING AND STORAGE
                                                                                                

1、  Liquid products should be used within 12 months after production. Packed in 25kg, 200L and 5 US gallon plastic barrels. S-P type powder products should be used within 24 months. Packed in 25kg bag. Customized packages are also available.

2、  Once expired, it shall be tested before use.

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