Why Did a Demulsifier Change Fail to Improve Desalting?
Separate chemistry fit from delivery and operating-window problems before increasing dose or rejecting the new product.
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Insights
Why Does the Desalter Trip After Increasing Wash Water?
Follow the water from actual injection through interface behaviour to the protected electrical event.
Read the article →Why Is Water Still High in Desalted Crude?
A separation-chain diagnosis across sample validity, droplet coalescence, settling, interface control and water withdrawal.
Read the article →Why Can More Mixing Make Desalter Performance Worse?
A controlled way to identify when improved wash-water contact has crossed into over-dispersion and harder separation.
Read the article →Why Does Desalter Performance Drop After a Crude Switch?
A field path for separating increased feed burden from harder oil-water separation before changing multiple settings.
Read the article →Desalter Current Is Rising: Process Problem or Electrical Fault?
An evidence-led way to use channel patterns and the process timeline to prioritize the next checks without bypassing protection.
Read the article →Why Is Oil Leaving with Desalter Brine?
A field path for distinguishing sampling, interface, rag-layer, separation and withdrawal causes before changing the process.
Read the article →Why Is Desalted Crude Salt High When the Water Result Looks Normal?
A decision path for separating sampling and analytical error from wash-water, mixing, temperature, crude-property and separation constraints.
Read the article →When the Desalter Interface Will Not Stay Stable
A practical process-wide troubleshooting sequence for distinguishing measurement response, rag-layer behaviour, drainage problems, emulsification and electrical symptoms.
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