high concentration polyacrylamide-based friction reducer for south korea market

high concentration polyacrylamide-based friction reducer for south korea market
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  • Can polyacrylamides be used as friction reducers?
  • Recently, due to cost savings and operational efficiencies (fewer chemicals and less fracturing equipment on location) the use of polyacrylamides as friction reducers has expanded.
  • What factors affect the performance of polyacrylamide-based friction reducers?
  • An important variable that highly affects the performance of polyacrylamide-based friction reducers is ion content. Performance, therefore, becomes dependent on both the ion type (cationic, anionic, monovalent or divalent) and the concentration present in the source water (Xu et al., 2016).
  • What type of friction reducer is used in hydraulic fracturing?
  • In hydraulic fracturing fluids, high molecular weight (normally over 10 6 Da) polyacrylamide (PAM) (long chain polymer, linear structure) is the most commonly applied friction reducer with high water solubility and good thermal stability ( Xiong et al., 2018a; Yang et al., 2019 ).
  • Does friction reducer (polyacrylamide) influence calcite dissolution (pore generation)?
  • This study is more about rate comparison between with or without PAM, and thus provides key information on friction reducer (polyacrylamide) influenced calcite dissolution (pore generation) and benefits the design of hydraulic fracturing fluids.