RE: Frack fluid16 Jun 2018 16:39
Garrym,
"early fracc fluid was thicker as Lemajor compared it to wallpaper paste.
Our fracc fluid is a slickwater design and contains minimal chemicals, it has a friction reducer to allow it into and out of our shale."
The two are not mutually exclusive, lookup "polyacrylamide" - here's one I pasted earlier (see what I did there?) :
...In dilute aqueous solution, such as is commonly used for Enhanced Oil Recovery applications, polyacrylamide polymers are susceptible to chemical, thermal, and mechanical degradation. Chemical degradation occurs when the labile amide moiety hydrolyzes at elevated temperature or pH, resulting in the evolution of ammonia and a remaining carboxyl group. Thus, the degree of anionicity of the molecule increases. Thermal degradation of the vinyl backbone can occur through several possible radical mechanisms, including the autooxidation of small amounts of iron and reactions between oxygen and residual impurities from polymerization at elevated temperature. Mechanical degradation can also be an issue at the high shear rates experienced in the near-wellbore region.....
Do not shoot the messenger, I did not invent those longwords - I always though anionicity was to do with pickling shallots.