Model Number

class G, class A

We supply Oil Well Cement.

Class: A, G(HSR).

Packing: 50kg craft paper bag, and /or 1MT, 1.5MT big bag;
Fax: +86-755-25403739;


Quality: China GB10238-2005 Standard (eqv API spec 10A)

For Class G Oil Well Cement,
Specification:
1. Chemical Content:
MgO: 6.0%Max;
SO3: 3.0%Max;
Loss On Ignition: 3.0%Max;
C3S: 48%-65%;
C3A: 3.0%Max;
Total Alkali (Na2O): 0.75%Max;
Insoluble Content: 0.75%Max;
C4AF+2C3A: 24% Max;
2. Physical Analysis(Water Cement Ratio: 44%):
Free Fluid: 5.9% Max;
Compressive Strength (8h, 38 Deg. C, normal compressive): 2.1MPa Min;
Compressive Strength (8h, 60 Deg. C, normal compressive): 10.3MPa Min;
Consistency (15-30minutes,stirring period, Bearden Units): 30Bc Max;
Thickening Time (project 5): 90minutes Min, 120minutes Max.

For Class A Oil Well Cement:
Specification:
1. Chemical Content:
MgO: 6.0%Max
SO3: 3.5%Max
Loss On Ignition: 3.0%Max
Insoluble Residue: 0.75%Max
2. Physical Analysis (Mixing Water(mass fraction of cement): 46%):
Blaine Specific Surface Area: 280 m2/kg Min
Compressive Strength(8h,38 Deg. C., atm.): 1.7MPa(or 250PSI) Min;
Compressive Strength(24h,38 Deg. C., atm.): 12.4MPa(or 1800PSI) Min;
Consistency(15-30minutes stirring period, Bearden Units): 30Bc Max;
Thickening Time(test project 4): 90 minutes Min.