H-FLOW SYS TEM is is a specially designed drilling fluid for drilling in high-density reservoirs. This system is used to drill horizontal sections of the wells under abnormally high formation pressures.

Special chemicals and polymers allow maintaining barite-free mud with specific gravity above 1.30 g/cm3 and up to 1.9 g/cm3

  • The composition has been designed based on the modified starch and fluid sweeps with appropriate pH to ensure good structural bonding.
  • It does not contain any biopolymers.
  • Mud cake may be removed by acid treatment
  • It is possible to use appropriate chemicals to properly adjust completion fluid properties using salts of heavy metals.

Special features 

  • Ability to mix high-density drilling fluids with low content of solids.
  • Minimal contamination of pay zone.
  • Good inhibitive properties
  • Rheological properties of biopolymer mud are characterized with low plastic viscosity, non-progressive gel strengths, and high values of viscosity at low shear rates.


  • It is a good alternative to barite mud systems, as it does not affect the properties of the production interval.
  • The rheological properties of biopolymer mud allow reduced bottom pressure fluctuations.
  • Low emergency/ failure occurrences and increased penetration rates under abnormally high formation pressures.

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