Shenzhen Chenggong Trade supply Class G cement (tuype HSR).
Class G Oil Well Cement is a kind of basic Oil Well Cement. It has the characteristics of high sulfate resistant. Usually it is used in the well deep 2440m.
| specifications: | Class G, type HSR.
1. Specification for Class G:
1.1 Chemical Content:
MgO: 6.0%Max
SO3: 3.0%Max
Loss On Ignition: 3.0%Max
C3S: 48%-65%, 48-58%
C3A: 3.0%Max
Insoluble Residue: 0.75%Max
C4AF+2C3A: 24% Max
Total Alkali (=0.658K2O%+Na2O%):0.75% Max
1.2 Physical Analysis (Mixing Water(mass fraction of cement): 44%):
Free Fluid: 5.9% Max
Compressive Strength(8h,38 Deg. C., atm.): 2.1MPa(or 300PSI) Min;
Compressive Strength(8h,60 Deg. C., atm.): 10.3MPa(or 1500PSI) Min;
Consistency(15-30minutes stirring period): 30Bc Max;
Thickening Time: 90 minutes Min, 120 minutes Max.
2. Specification for Class A:
2.1 Chemical Content:
MgO: 6.0%Max
SO3: 3.5%Max
Loss On Ignition: 3.0%Max
Insoluble Residue: 0.75%Max
2.2 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.
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| Advantages: | Class G Oilwell Cement is a kind of basic Oil Well Cement. It has the characteristics of high sulfate resistant.
Class G is used in deepth of 2440m or more big deepth. |
| Export Markets: | worldwide |
| Pricing: | FOB |
| Payment Details: | T/T, or irrevocable L/C at sight |
| Min Order: | 100MT |
| Ship Date: | within 30 days after receipt of L/C |
| Standard Met: | China GB10238-2005, API Spec.10A Standard |
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