Patent ID: 9701883
Date: 2017-07-11
CPC Classifications: C02F,C09K,C10M,E21B

Claim:
1. A friction reducer composition for water based liquids comprising: a) an ionic polyacrylamide; and b) a silicon polyether; wherein the silicon polyether is selected from the group consisting of wherein R=(C a=4-17; b=0-26; c=0-26 and Z is H, acetyl or a monovalent hydrocarbon group containing from 1 to 12 carbon atoms; wherein x=0-74; y=1-10; R=(C a=5-17; b=0-26; c=0-26 and Z is H, acetyl or a monovalent hydrocarbon group containing from 1 to 12 carbon atoms; wherein x=4-100; a=5-50 and b=3-20; wherein R R R R R a, b, c=0-3; subject to the limitation that a+b+c≦3 and d, e=0-3; subject to the limitation that d+e≦3; and wherein x=3-17 and Z is H, acetyl or a monovalent hydrocarbon group containing from 1 to 12 carbon atoms.