A low-temperature oil well early-strength cementing agent
An oil well, low temperature technology, applied in the field of oilfield chemicals, to achieve the effect of reducing surface tension, small shrinkage, and promoting the speed of cement hydration
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Embodiment 1
[0029] 85 parts of ionic liquid, 15 parts of polycarboxylate superplasticizer, wherein, the structural formula of ionic liquid is:
[0030]
[0031] Use PO52.5 medium sulfate-resistant Portland cement, control the water-cement ratio of the cement slurry to 0.37, and the dosage is 0.8%. The test is carried out according to the above-mentioned experimental process, and the results are shown in the following table:
[0032] Performance Testing
[0033]
Embodiment 2
[0035] 90 parts of ionic liquid, 10 parts of polycarboxylate superplasticizer, wherein, the structural formula of ionic liquid is:
[0036]
[0037] Use PO52.5 medium sulfate-resistant Portland cement, control the water-cement ratio of the cement slurry to 0.37, and the dosage is 1.0%. The test is carried out according to the above-mentioned experimental process, and the results are shown in the following table:
[0038] Performance Testing
[0039]
Embodiment 3
[0041] 95 parts of ionic liquid, 5 parts of polycarboxylate superplasticizer, wherein, the structural formula of ionic liquid is:
[0042]
[0043] Use PO52.5 medium sulfate-resistant Portland cement, control the water-cement ratio of the cement slurry to 0.36, and the dosage is 0.9%. The test is carried out according to the above-mentioned experimental process, and the results are shown in the following table:
[0044] Performance Testing
[0045]
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