High early special oil-well cement

Model:	-
Brand:	Polar bear
Origin:	Made In China
Category:	Construction & Decoration / Cement & Precast Component
Label:	oil well cement , high early strength , special cement
Price:	-
Min. Order:	-

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Product Description

Commercial Name
Oil Well Cement, OWC

Type

Sulfate Resistant(HSR)Moderate Sulfate Resistant(MSR), High

Specification

As per China GB10238-1998 Standard and USA API Spec. 10A Standard

1.Chemical Analysis

Item	Standard Value
Item	MSR	HSR
MgO	6.0% Max	6.0% Max
SO₃	3.0% Max	3.0% Max
Loss On Ignition (LOI)	3.0% Max	3.0% Max
Insoluble Residue	0.75% Max	0.75% Max
C₃S	48%-58%	48%-65%
C₃A	8.0% Max	3.0% Max
Total Alkali (R₂O=0.658K₂O+Na₂O)	0.75% Max	0.75% Max
C₄AF+2C₃A	/	24% Max

2. Physical Analysis

Mixing Water(mass fraction of cement): 44%

Free Fluid Content: 5.9% Max

Compressive Strength(8hours at temp. 38C, Atm. pressure): 2.1MPa(or 300PSI) Min;

Compressive Strength(8hours at temp. 60C, Atm. pressure.): 10.3MPa(or 1500PSI) Min;

Consistency(15-30minutes stirring period): 30Bc Max;

Thickening Time: 90 minutes Min, 120 minutes Max

Application

Class G OWC is used as basic oil well cement from surface to 2440m depth. It has the characteristics of sulfate resistant. It can be used together with accelerator for setting or set-retarding admixture.It is suitable for the larger range of well depth and temperature.

Packing

Plys craft paper and compound bag, 50kg/bag, and /or 1MT, 1.5MT big bag.