High Efficiency Retarder 2015 SLB similar Liquid for oil well cementing CH210L kelioil brand

High Efficiency Retarder 2015 SLB similar Liquid for oil well cementing CH210L kelioil brand

  Product Description   SUMMARY l  Suitable for low - moderate temperature system, used below 90℃ (194℉, BHCT). l  Applied in freshwater or salt water system, salt-tolerance up to half-saturated brine. l  Mixed with water when applied, no water quality is required. l  When curing temperature is lower than the bottom hole circulating temperature, strength of set cement at top may be affected. l  The dosage of CH210L increases significantly when applied above temperature of 95℃, strength of set cement at top may be affected. PHYSICAL AND CHEMICAL INDICATORS

Appearance	Density, g/cm3	Water-Solubility	Freezing Point, ℃
Milky white liquid	1.10±0.05	100%	≤–5

CEMENT SLURRY PRESCRIPTION

Cement Slurry Density	Recommended Dosage
1.90±0.01g/cm3 (in fresh water, W/C=0.44, in 18%salt water,W/C=0.57)	0.2-3.0%(BWOC); or 0.024-0.36 gallon/sack

Note: The formula is based on 50kg /sack cement. CEMENT SLURRY PERFORMANCE

Item	Test Condition	Technical Indicator
Initial consistency, Bc	80℃/45min, 46.5MPa	≤30
40-100Bc thickening time, min		≤40
Thickening time adjustability		Adjustable
Thickening curve		Normal
Free fluid , %	80℃, Atmospheric Pressure	≤1.4
24h compressive strength, MPa	80℃, 20.7MPa	≥14
Composition: API Class G (HSR) 700g; mixed water 308g (including); defoamer 1.4g(0.2%);CH210L.
Remarks: the dosage of CH210L is determined under the precondition of adjusting the thickening time range of cement slurry at 80℃ to 130—270 min.

STANDARD PACKAGING AND STORAGE l  Packed in 20kg or 25kg, 200L or 5 US gallon plastic barrels. It can also be packed according to user requirements. l  Use within 12 months after production. When expired, lab test should be done to confirm the quality. Store in well-ventilated, cool and dry area, avoid exposure to sun and rain. The height of stack should be less than 3 layers.

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