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BIODEGRADABLE NON-REACTIVE OIL-WELL STIMULATION FLUID AND METHOD OF USE

  • US 20140121137A1
  • Filed: 10/24/2013
  • Published: 05/01/2014
  • Est. Priority Date: 10/24/2012
  • Status: Active Grant
First Claim
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1. A biodegradable fluid composition for oil well stimulation comprising:

  • (a) a water-miscible biodegradable fatty acid/vegetable oil solvent;

    (b) at least one surfactant, wherein the at least one surfactant is the product of saponification of at least one C8-C20 fatty acid by an amino alcohol;

    (c) wherein the fluid droplet size is comprised between 5 and 50 nm; and

    (d) wherein the fluid composition forms a thermodynamically stable nanoemulsion when removes paraffin and asphaltene deposits from the wellbore without chemically reacting with subterranean formations.

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