Hereโ€™s a comprehensive list of the most common tests and analyses performed in in our Production Chemistry & Flow Assurance laboratory.

Production Chemistry Core Tests

  1. Water analysis (full ionic composition, pH, alkalinity, TDS, resistivity)
  2. Oil in water / Water in oil content (solvent extraction, IR, centrifuge, Karl Fischer)
  3. Scale inhibitor compatibility (with brine, other chemicals, thermal ageing)
  4. Corrosion inhibitor screening (bubble cell, rotating cage autoclave, wheel test, LPR, EIS)
  5. Hโ‚‚S / COโ‚‚ partition tests & scavenger performance (Hโ‚‚S, mercaptans, oxygen scavengers)
  6. Drag reducer / friction reducer performance (flow loop)
  7. Kinetic hydrate inhibitor (KHI) screening (rocking cell, autoclave, wheel test)
  8. Halide determination in crude (for refinery corrosion risk)
  9. Naphthenate deposition tendency & inhibitor screening (TAN, HPN, calcium naphthenate bottle tests)
  10. Flow Assurance Core Tests
  11. Wax appearance temperature (WAT) & wax disappearance temperature (WDT) .
  12. Wax deposition tendency โ€“ Cold Finger, cold spot, rotating cold finger, flow loop deposition
  13. Wax inhibitor / pour point depressant (PPD) screening
  14. Asphaltene onset pressure (AOP) & deposition envelope โ€“ High Pressure Microscopy (HPM)
  15. Asphaltene dispersant / inhibitor performance testing (ADBT, bottle tests, deposition rig)
  16. Asphaltene deposition in capillary / flow loop
  17. Hydrate formation/dissociation curves โ€“ rocking cell, sapphire cell, autoclave, stirred cell, flow wheel test, flow loop
  18. Hydrate inhibitor performance (THI, KHI, AA-LDHI) โ€“ rocking cell ranking, autoclave induction time, flow loop
  19. Gas hydrate slurry rheology & restart pressure (flow loop, rheometer with hydrate cell)
  20. Pour point & gel strength measurement (ASTM D97, mini-loop restart)
  21. Cloud point determination (for diesel, middle distillates)
  22. Cold flow properties (CFPP, LTFT for fuels)
  23. Viscosity & rheology at high pressure / low temperature (HPHT viscometer, rheometer)
  24. Compatibility tests between different crudes or crude + condensate (sludge, precipitations)
  25. Full flow loop studies (wax, hydrate, asphaltene, scale, multiphase)
  26. Chemical compatibility matrix (all production chemicals together + formation water + crude)
  27. Thermal stability / ageing of chemicals at reservoir temperature (months-long tests)
  28. Residual inhibitor analysis (scale, corrosion, asphaltene, KHI)
  29. MEG/MeOH regeneration efficiency & degradation products.
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