US2011071060A1PendingUtilityA1

Foamers for downhole injection

56
Individually held — no corporate assignee on recordPriority: Sep 23, 2009Filed: Sep 23, 2009Published: Mar 24, 2011
Est. expirySep 23, 2029(~3.2 yrs left)· nominal 20-yr term from priority
Inventors:Duy T. Nguyen
C09K 8/594C09K 8/703C09K 8/94C09K 2208/32C09K 8/518C09K 8/38C09K 8/58
56
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

This invention relates generally to novel foamer compositions for treatment of oil and gas wells to enhance production. The invention provides a method of foaming a fluid. The method includes introducing into the fluid a foam-forming amount of a composition comprising at least one long chain fatty acid and at least one organic solvent. An example of the long chain fatty acid is tall oil fatty acid and an example of the organic solvent is ethyleneglycol monobutyl ether.

Claims

exact text as granted — not AI-modified
1 . A method of foaming a fluid, the method comprising: introducing into the fluid a foam-forming amount of a composition comprising at least one long chain fatty acid and at least one organic solvent. 
     
     
         2 . The method of  claim 1 , wherein the long chain fatty acid is tall oil fatty acid. 
     
     
         3 . The method of  claim 1 , wherein the organic solvent is selected from the group consisting of: alcohols, glycols, aliphatic hydrocarbons, aromatic hydrocarbons, and combinations thereof. 
     
     
         4 . The method of  claim 1 , wherein the organic solvent is ethyleneglycol monobutyl ether. 
     
     
         5 . The method of  claim 1 , wherein the organic solvent is present in an amount ranging from about 5 to about 70% by weight actives based on a total weight of the composition. 
     
     
         6 . The method of  claim 1 , wherein the long chain fatty acid is dispersed or dissolved in the organic solvent. 
     
     
         7 . The method of  claim 1 , further comprising introducing into the fluid the foam-forming amount of the foaming composition to the downhole end of a well as batch addition or continuously. 
     
     
         8 . The method of  claim 1 , further comprising introducing to the fluid from about 10 ppm to about 100,000 ppm of actives in the composition to the well, based on volume of the fluid. 
     
     
         9 . The method of  claim 1 , further comprising introducing to the fluid from about 100 ppm to about 20,000 ppm of actives in the foaming composition to the well, based on volume of the fluid. 
     
     
         10 . The method of  claim 1 , farther comprising introducing to the fluid from about 200 ppm to about 10,000 ppm of actives in the foaming composition to the well, based on volume of the fluid. 
     
     
         11 . The method of  claim 1 , wherein the fluid is oil or gas and water.

Join the waitlist — get patent alerts

Track US2011071060A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.