Liquid foaming additives used in the stimulation of oil and...

Details Liquid foaming additives used in the stimulation of oil and... Liquid foaming additives used in the stimulation of oil and...

E - Fixed Constructions

21

B

31/14

E21B 43/22 (2006.01) C09K 8/592 (2006.01)

Patent

CA 1265325

LIQUID FOAMING ADDITIVES USED IN THE STIMULATION OF OIL AND GAS WELLS Abstract of the Disclosure This invention relates to a liquid foaming additive comprising (a) a nonionic fluorochemical surfactant, and (b) a nonionic heteric polyether surfactant having at least two active hydrogen atoms wherein components (a) and (b) are used in an effective amounts. The foaming additives are used to foam lower alkyl alcohols which are injected into oil and gas wells to break up underground formations which trap the oil and gas.

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