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Hydrophobic internal coating

LotusFlo is a super hydrophobic, ultra-thin, internal Diamond-Like Coating (DLC) designed to reduce and possibly eliminate deposition of scale, asphaltenes and wax on tubular surfaces. The coating is molecularly bonded to the tubular’s electrically conducted substrate via a plasma deposition process.


LotusFlo efficacy potential for flow assurance applications was demonstrated through a combination of Benchtop lab tests, flow loop simulation of flow lines and pilot field trial. LotusFlo has demonstrated effectivness on the following solids:

  • Asphaletenes: LotusFlo demonstrated to eliminate deposition from a live oil sample in a benchtop couette shear cell that simulates field pressure, temperature and shear conditions
  • Scales: The effectiveness of LotusFlo as a scale management strategy has been evaluated for three major types of scale: Calcite, Barite, and Halite
  • Wax: A combination of tests and field trials proved the efficacy of LotusFlo on Wax deposition. Pilot field trials in Africa with high wax content, resulted in a 75% reduction in scraping frequency in coated production tubing

Product Properties

  • Precursor: Organosiloxane based
  • Application Process: Plasma deposition
  • Contact angle (Water in Oil): WCA ≥ 150°
  • Coating thickness: ≤ 0.5 microns
  • Substrate roughness: <3 microns
  • Compatible with: Corrosion Resistant Alloy (CRA), Carbon Steel (CS), Stainless Steel

Applications / Assets

  • Flowlines
  • Gathering Lines
  • Small Diameter Pipelines
  • Valves


Last Updated: 10/17/2019 9:38:35 AM
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