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les additifs de cimentation
CG117
  • Manuel d'exploitation
  • MSDS
  • Norme professionnelle

SUMMARY  

1、 CG117 fluid loss additive is a synthetic polymer which is capable of effectively reducing water loss filtering from the slurry to porous formation during cementing process.

2、 Control fluid loss in both normal and high density cement slurries.

3、 Applicable in fresh water slurries, seawater slurries and slurries containing 2% CaCl2.

4、 Maintain suspension stability of cement slurries.

5、 Shorten transition time of setting cement, which is beneficial to prevent gas migration.

6、 Used below temperature of 180℃(356℉, BHCT).

7、 Compatible well with other additives.

8、 CG117 series consists of L-type liquid, L-A type anti-freezing liquid, S-P type high purity powder and S-D type dry-mixed powder.


PHYSICAL AND CHEMICAL INDICATORS

Type

Appearance

Density, g/cm3

Water-Solubility

CG117L

Black or brown liquid

1.10 ± 0.05

Soluble

CG117L-A

Black or brown liquid

1.15 ± 0.05

Soluble

Type

Appearance

Bulk Density, g/cm3

Water-Solubility

CG117S-P

Black or brown powder

0.70±0.20

Soluble

CG117S-D

Grey powder

0.90±0.10

Partly soluble

RECOMMENDED DOSAGE

Type

CG117L(-A)

CG117S-P

CG117S-D

Dosage Range (BWOC)

2.0-8.0%

0.7-2.5%

1.2-5.0%

CEMENT SLURRY PERFORMANCE

Item

Test Condition

Technical Indicator

Density of normal cement slurry, g/cm3

25, Atmospheric Pressure

1.90±0.01

Density of heavyweight cement slurry, g/cm3

2.20±0.01

Fluid loss,

ml

Fresh water slurry

80, 6.9MPa

≤80

Seawater slurry

≤100

Slurry containing 2% CaCl2

≤80

Thickening performance

Initial consistency, Bc

80/45min, 46.5MPa

≤30

40-100 Bc thickening time, min

≤20

Free fluid, %

80, Atmospheric Pressure

≤1.4

Compressive strength for 24h, MPa

≥14


STANDARD PACKAGING AND STORAGE

1、  The liquid type products should be used within 12 months after production. Packed in 25kg, 200L and 5 US gallon plastic barrels.

2、  The powder type products should be used within 24 months after production. Packed in25kg bag.

3、  Customized packages are also available.

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


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