US 11,053,433 B2
Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
Randal M. Hill, The Woodlands, TX (US); Paul Ashcraft, Cypress, TX (US); Angus Fursdon-Welsh, Spring, TX (US); Lakia M. Champagne, The Woodlands, TX (US); and Natalie Forbes, Houston, TX (US)
Assigned to Flotek Chemistry, LLC, Houston, TX (US)
Filed by Flotek Chemistry, LLC, Houston, TX (US)
Filed on Nov. 30, 2018, as Appl. No. 16/206,304.
Claims priority of provisional application 62/593,680, filed on Dec. 1, 2017.
Prior Publication US 2019/0169492 A1, Jun. 6, 2019
Int. Cl. C09K 8/86 (2006.01); C09K 8/60 (2006.01)
CPC C09K 8/86 (2013.01) [C09K 8/602 (2013.01)] 23 Claims
 
1. A microemulsion for treating an oil or gas well having a wellbore, comprising:
a surfactant comprising ethoxylated tristyrylphenol;
an aqueous phase; and
a non-aqueous phase comprising a first type of solvent and a second type of solvent, wherein the first type of solvent is a long chain hydrocarbon solvent, and the second type of solvent is an oxygenated solvent.