Mixture for improved foaming in the extraction of petroleum...

Details Mixture for improved foaming in the extraction of petroleum... Mixture for improved foaming in the extraction of petroleum...

2007-07-17

2010-11-30

Kugel, Timothy J (Department: 1796)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains intended gaseous phase at entry into wellbore

C166S305100, C166S309000, C175S065000, C175S069000, C516S010000, C516S018000, C507S117000, C507S138000, C507S139000, C507S202000, C507S219000, C507S265000, C507S266000

Reexamination Certificate

active

07842650

ABSTRACT:
The invention relates to a composition for producing foams, in particular for mineral oil and natural gas production.

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Cardani, C., et al., “Sulle 1,2-difeni1-3,5-dicheto-pirazolidine” Instituto di Chimica del Politecnico, pp. 1353-1366, Milano, (1963).

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