Oil well cement is the special type with high sulface resistant. It is usually used in high pressure and temperature condition. At various depth level, oil well cement is designed to flow and solidify rapidly at the desired period. It is produced according to requirements of API specification 10A (American Petroleum Institute)
This Product is intend for use as a basic well cement. It may be mixed and placed ina the field using water ratios or additives at the users discretion.
| According to API Specification 10A for Well Cement, Class G High Sulfate Resistance (HSR) |
Guarantee Specification |
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Magnesium oxide |
(MgO) |
% |
max 6.0 |
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Sulfur trioxide |
(SO3) |
% |
max 3.0 |
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Loss of ignition |
% |
max 3.0 |
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Insoluble residue |
% |
max 0.75 |
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Total Alkalies (Na2O + 0.658 K2O) |
% |
max 0.75 |
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Tricalcium silicate |
(C3S) |
% |
48 to 65 |
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Tricalcium aluminate |
(C3A) |
% |
max 3.0 |
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C4AF + 2C3A |
% |
max 24 |
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Physical Requirements |
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Fineness ; Specific surface Air permeability test |
m2/kg |
- | |
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Soundness : Autoclave expansion |
% |
max 0.8 |
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% of Free fluid |
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% |
max 5.90 |
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Thickening time |
minutes |
90 to 120 |
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Maximum consistency 15-30 minute stirring period |
Bc |
max 30 |
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Compressive Strength |
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@ 100 F, atmos, 8 hrs |
psi |
min 300 |
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@ 140 F, atmos, 8 hrs |
psi |
min 1500 |
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