Patent ID: 7989404

Claim:
A microemulsion system for treating gas wells comprising: a surfactant subsystem including: between about 0.1 weight percent and about 10 weight percent of monoalkyl branched propoxy sulfate or a plurality of monoalkyl branched propoxy sulfates, between about 0.1 weight percent and about 30 weight percent of a low foam generating ethoxylated alcohol comprising a reaction product of an alcohol having between about 8 and about 10 carbon atoms and having an average of about 7 ethylene oxide groups per alcohol molecule, and between about 0.1 weight percent and about 30 weight percent of a low foam generating block copolymer or plurality of block copolymers of ethylene oxide and propylene oxide having a HLB value between about 7 and 15; a co-solvent subsystem including: between about 0.1 weight percent and about 20 weight percent of isopropyl alcohol (IPA), between about 0.1 weight percent and about 5 weight percent of 1-octanol, and between about 0.1 weight percent and about 15 weight percent of a polypropylene glycol; and a solvent subsystem including: between about 2 weight percent and about 25 weight percent of d-limonene or dipentene, and between about 20 weight percent and about 75 weight percent of water, where the microemulsion system is adapted to treat gas wells.