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ISK

Controlled Mixing Packages

Controlled packages for mixing crude oil with wash water and chemicals upstream of an electrostatic dehydrator.

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Controlled Mixing Packages: Controlled mixing package functional diagramMixing-package boundaryCrude oilWash waterChemicalWash-water andchemical dosingControlled disperserStatic mixerEmulsion toelectrostaticdehydrator

Purpose

Achieve the required dispersion and mixing intensity at the minimum practical pressure drop.

Arrangement and integration

Equipment functional diagram

The diagram identifies the principal process duties, equipment connections and product handover points. Final scope, redundancy and battery limits are established from project data.

ISKControlled mixing package functional diagramFunctional diagram
Controlled Mixing Packages: Controlled mixing package functional diagramMixing-package boundaryCrude oilWash waterChemicalWash-water andchemical dosingControlled disperserStatic mixerEmulsion toelectrostaticdehydrator
Process mediumOil / emulsionWaterAuxiliary line

The package creates the specified dispersion of wash water and chemical in crude upstream of the electrostatic dehydrator. The control philosophy is based on crude properties.

Engineering basis

Design parameters

Final ratings, materials and supply scope are established from project-specific operating data.

Process temperatureup to +70 °C*
Nominal pipe sizeDN 25–400*
Oil throughput0.7–630 t/h*
Wash-water rate5–30% of oil throughput*
Design life20 years*

Process functions

Principal process duties

  • Wash-water and chemical dosing
  • Controlled stream mixing
  • Feedback using flow, pressure-drop and product-quality data

Typical scope

Main equipment

  • 01

    Main process vessel or package

  • 02

    Skid, supports, platforms and piping

  • 03

    Valves, instrumentation and protection systems

  • 04

    Insulation, heat tracing, shelter and electrical systems as required

Questionnaire

Data required for engineering

Worked examples and vessel-volume fields are retained. Use them as guidance or provide parameters from an existing design.

ISK questionnaire
  1. 01

    Process fluid and physical properties

  2. 02

    Flow, pressure and temperature for all cases

  3. 03

    Required process result and allowable pressure drop

  4. 04

    Materials, climate and installation category

  5. 05

    Dimensional constraints, battery limits and automation requirements

Proposal request

Operating data for a technical and commercial proposal

Attach the completed questionnaire or provide the principal operating data below. Equipment scope, design ratings and battery limits follow engineering review.

Email the questionnaire, specification and attachments

Related scope

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