| abstract |
The invention provides an amphiphilic macromolecule and the application of the macromolecule. The amphiphilic polymer has repeating structural units: structural units that regulate molecular weight and molecular weight distribution and charging characteristics, high steric hindrance structural units and amphiphilic structural units, and are suitable for oilfield drilling, well cementing, fracturing, crude oil gathering and transportation , sewage treatment, sludge treatment and papermaking and other fields, can be used as enhanced oil recovery oil displacement agent, heavy oil viscosity reducer, fracturing fluid, clay stabilizer, sewage treatment agent, retention and drainage aid or reinforcing agent for papermaking wait. |