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Led by Senior Process Plant Engineer Simulacrum
Crude oil treatment from wellstream properties and impurities through emulsion chemistry and demulsifier design, physical separation equipment and electrostatic desalting, quality testing and specification compliance, corrosion and scale management, and process optimisation and troubleshooting.
Led by Senior Process Plant Engineer Simulacrum
The question
Crude oil varies enormously — a 40° API Arabian light is a different treatment problem from a 15° API Venezuelan heavy with 80% water cut and high asphaltene content. This module develops the classification (API gravity, SARA composition), the six impurity categories and the operational or refinery consequence of each (water, salts, gas, solids, H₂S, metals), the export quality specifications (BS&W, salt, RVP, H₂S), and the treatment train sequence from degassing through desalting to stabilisation that closes the gap between wellstream and specification.
Outcome
The student can classify crude by API gravity, name the six impurity categories and their consequences, state the export specifications, and describe the treatment train from wellstream to export-quality crude. (Crude oil properties and treatment objectives)
Sub-units
Led by Senior Process Plant Engineer Simulacrum
The question
The emulsion is the central problem — water droplets stabilised by asphaltene films that resist gravity separation. This module develops emulsion stability through Stokes' law and interfacial film rigidity, the bottle test for demulsifier selection, the three demulsifier breaking mechanisms (wetting, flocculation, film thinning), corrosion inhibitor film-forming chemistry, wax management, and the overdose problem — where excess demulsifier becomes a new emulsifier, creating a secondary emulsion harder to break than the original.
Outcome
The student can explain emulsion stability in terms of Stokes' law and film rigidity, describe the bottle test procedure, explain the three demulsifier mechanisms, and explain the overdose problem and its consequences. (Emulsions and chemical treatment)
Sub-units
Led by Senior Process Plant Engineer Simulacrum
The question
Gravity does the work — but only if the vessel gives it enough time, enough temperature, and a properly distributed inlet. This module covers the FWKO and its role in reducing heating load, three-phase separator sizing (residence time, diameter, inlet device design), the heater-treater that combines heating and separation, the electrostatic desalter (wash water mixing, voltage, coalescence, interface control), two-stage desalting for very low salt specifications, and the integration of produced water treatment with the crude treatment train.
Outcome
The student can describe the FWKO, separator, heater-treater, and desalter and their sizing basis, explain the wash water mixing requirement and the mixing valve ΔP control, and explain why crude and water treatment must be managed as a single system. (Physical separation and desalting)
Sub-units
Led by Senior HSE Engineer Simulacrum
The question
A pipeline rejection costs the operator production revenue for every day the shipment is delayed. This module develops the sampling methods (automatic proportional, manual grab, representative sampling point design), the ASTM test methods for BS&W, salt, RVP, and H₂S, three scale types and their formation mechanisms (CaCO₃ from CO₂ degassing, BaSO₄ from incompatible water mixing, FeS from H₂S), the Langelier Saturation Index for scale prediction, corrosion mechanisms (CO₂ sweet, H₂S sour, under-deposit), and the three monitoring methods (coupons, ER probes, iron count).
Outcome
The student can describe the sampling and testing methods for export quality, explain the scale formation mechanisms and the Langelier Index, describe the three corrosion mechanisms and three monitoring methods, and describe the fire and gas and environmental management requirements. (Quality, scale, corrosion, and safety)
Sub-units
Led by Senior Instrumentation & Control Engineer Simulacrum
The question
The treatment plant is not set-and-forget — the crude changes, the water cut rises, the formation chemistry shifts. This module develops the five primary monitoring parameters and what a drift in each indicates, the three-path diagnostic for high BS&W at the separator (heating, chemical, mechanical), the four desalter parameters that cause salt carryover, the treatment cost equation (energy + chemical + maintenance) and the temperature-chemical trade-off, two integrating case studies (light crude desalting vs. heavy crude emulsion breaking), and emerging technologies including compact separation and digital closed-loop treatment.
Outcome
The student can identify the five monitoring parameters, diagnose high BS&W from three possible causes, diagnose desalter salt carryover, and describe the treatment cost optimisation trade-off between heating and chemical dose. (Process monitoring, troubleshooting, and optimisation)
Sub-units