oil drilling pam blufloc phpa low molecular weight in saudi arabia

oil drilling pam blufloc phpa low molecular weight in saudi arabia
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  • Is PHPA a good alternative for patba and Pam polymers?
  • PHPA was investigated as a good alternative for PAtBA and PAM polymers at the low temperature range (< 100 °C) due to its lower cost. The crosslinking of PHPA with PEI is done mainly through a transamidation reaction of the amide groups by PEI amines.
  • What is the role of PHPA in water based drilling fluids?
  • The presence of PHPA in water-based drilling fluids serves as an inhibiting agent by forming a protective layer on the clay and preventing the interaction of water with the clay minerals. The calcium chloride-based drilling fluid was also used for the inhibition of shale formation by encapsulation and ion exchange mechanisms.
  • Is PHPA a water soluble polymer?
  • PHPA is a water-soluble polymer. Interactions between the polymer molecules increase the viscosity of the drilling mud proportionally to the molecular weight of the product. PHPA can be used in fresh water, sea water or NaCl and KCl systems. PHPA is not compatible with high divalent contents in the water and high temperature applications.
  • Do modified CMC and PHPA polymer drilling fluids affect rheological properties?
  • Kuma et al. investigated modified CMC and PHPA polymer drilling fluids with NaCl and KCl and haematite mineral where KCl and NaCl acted as great swelling inhibitors for drilling muds, while haematite just slightly increased the rheological properties on CMC–bentonite mud and did not have much effect on the PHPA–bentonite mud [ 26 ].