Here’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. Emulsion tightness / Bottle tests for demulsifiers (BS&W stability, separation speed, water drop, interface quality)
  4. Demulsifier performance screening (bottle tests at field temperature & with live crude.
  5. Foam tendency & foam breaker screening
  6. Scale inhibitor screening (static bottle tests – NACE TM0374, dynamic tube blocking – NACE TM0197)
  7. Scale inhibitor compatibility (with brine, other chemicals, thermal ageing)
  8. Corrosion inhibitor screening (bubble cell, rotating cage autoclave, wheel test, LPR, EIS)
  9. H₂S / CO₂ partition tests & scavenger performance (H₂S, mercaptans, oxygen scavengers)
  10. Biocide efficacy testing (kill studies, ATP, serial dilution)
  11. Drag reducer / friction reducer performance (flow loop)
  12. Kinetic hydrate inhibitor (KHI) screening (rocking cell, autoclave, wheel test)
  13. Halide determination in crude (for refinery corrosion risk)
  14. Naphthenate deposition tendency & inhibitor screening (TAN, HPN, calcium naphthenate bottle tests)
  15. Flow Assurance Core Tests
  16. Wax appearance temperature (WAT) & wax disappearance temperature (WDT) .
  17. Wax deposition tendency – Cold Finger, cold spot, rotating cold finger, flow loop deposition
  18. Wax inhibitor / pour point depressant (PPD) screening
  19. Asphaltene onset pressure (AOP) & deposition envelope – High Pressure Microscopy (HPM)
  20. Asphaltene dispersant / inhibitor performance testing (ADBT, bottle tests, deposition rig)
  21. Asphaltene deposition in capillary / flow loop
  22. Hydrate formation/dissociation curves – rocking cell, sapphire cell, autoclave, stirred cell, flow wheel test, flow loop
  23. Hydrate inhibitor performance (THI, KHI, AA-LDHI) – rocking cell ranking, autoclave induction time, flow loop
  24. Gas hydrate slurry rheology & restart pressure (flow loop, rheometer with hydrate cell)
  25. Pour point & gel strength measurement (ASTM D97, mini-loop restart)
  26. Cloud point determination (for diesel, middle distillates)
  27. Cold flow properties (CFPP, LTFT for fuels)
  28. Viscosity & rheology at high pressure / low temperature (HPHT viscometer, rheometer)
  29. Scale deposition under dynamic flow conditions (dynamic tube blocking rig, high pressure flow loop)
  30. Compatibility tests between different crudes or crude + condensate (sludge, precipitations)
  31. Full flow loop studies (wax, hydrate, asphaltene, scale, multiphase)
  32. Multiphase cold restart simulations
  33. Erosion-corrosion studies under flow
  34. Chemical compatibility matrix (all production chemicals together + formation water + crude)
  35. Thermal stability / ageing of chemicals at reservoir temperature (months-long tests)
  36. Residual inhibitor analysis (scale, corrosion, asphaltene, KHI)
  37. MEG/MeOH regeneration efficiency & degradation products.
  38. Solids transport velocity & sand deposition studies
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