Class G (HSR) Oil Well Cement Test Result
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Product Name: |
Oil Well Cement |
Specification |
G (HSR) |
|
Standard |
GB/T 10238-2015 |
Test Date |
|
|
Sample quantity |
|
Sample appearance |
grey powder |
|
Main equipment for inspection |
electronic scales AE240, electronic scales JA21002, flamephotometer (potassium sodium instrument) FP640, Two cylinder of high temperature and high pressure thickening8040 , Uniform loading pressure testing machine YJ-2001, Acid burette
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Chemical component analysis
|
Item |
Standard |
Result |
Item judgment |
Test Method |
|
Loss on ignition % |
¡Ü3.0 |
0.8 |
Qualified |
GB/T 176 |
|
Insoluble substance % |
¡Ü0.75 |
0.28 |
Qualified |
GB/T 176 |
|
MgO, % |
¡Ü6.0 |
1.6 |
Qualified |
GB/T 176 |
|
SO3 % |
¡Ü3.0 |
2.2 |
Qualified |
GB/T 176 |
|
C3S % |
48-65 |
57 |
Qualified |
GB/T 176 |
|
C3A % |
¡Ü3.0 |
1.4 |
Qualified |
GB/T 176 |
|
C4AF+2C3A % |
¡Ü24 |
18 |
Qualified |
GB/T 176 |
|
Total alkali content(as Na2O) |
¡Ü0.75 |
0.48 |
Qualified |
GB/T 176 |
Physical properties
|
Item |
Standard |
Result |
Item judgment |
Test Method |
|
Thickening time min (52¡æ 35.6MPa) |
90-120 |
90 |
Qualified |
GB/T 10238 |
|
15-30 min Maximum thickness Bc (52¡æ 35.6MPa) |
¡Ü30 |
28 |
Qualified |
GB/T 10238 |
|
Compressive strength, MPa (38¡æ,ordinary pressure, 8h) |
¡Ý2.1 |
5.4 |
Qualified |
GB/T 10238 |
|
Compressive strength, MPa (60¡æ,ordinary pressure, 8h) |
¡Ý10.3 |
16.0 |
Qualified |
GB/T 10238 |
|
Free Fluid content % |
¡Ü5.9 |
3.3 |
Qualified |
GB/T 10238 |