Negative-nonionic sulfonate high-temperature foamer for oil extraction
The invention discloses a negative-nonionic sulfonate high-temperature foamer for oil extraction. The invention adopts the technical scheme as follows: the foamer is characterized by belonging to negative-nonionic surfactants and mainly comprises the following components: a Spann sulfonate surfactan...
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Main Authors | , , , , , , , , |
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Format | Patent |
Language | English |
Published |
28.01.2015
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a negative-nonionic sulfonate high-temperature foamer for oil extraction. The invention adopts the technical scheme as follows: the foamer is characterized by belonging to negative-nonionic surfactants and mainly comprises the following components: a Spann sulfonate surfactant, a Tween sulfonate surfactant, a foam stabilizer and a pH regulator. The foamer has the benefits that negative-nonionic sulfonate is adopted as a main raw material; the foamer is applied to a site, is good in water solubility and dispersity when being used in an oil-water well, is good in foamability and excellent in foam stability at high temperature (89 DEG C), and belongs to new-generation high-temperature foamers; foam generated by the foamer is very high in surface strength and very stable; the foamer is good in compatibility with wastewater; the gas release speed is high and can be controlled; the effect of foaming for foam flooding is achieved. |
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Bibliography: | Application Number: CN20141649295 |