EngineeringOil & gas technology
EN/RURequest a proposal
Menu

Equipment

EP / EPP

Underground Drain Vessels

Underground vessels for collecting drains, spills and process liquids, with optional pumping equipment.

Download questionnaireRequest a technical and commercial proposal
Underground Drain Vessels: Underground drain vessel functional diagramDrain-system boundaryClosed drainsUnderground vesselSubmersible pumpTo disposal orrecoveryGas to safe system

Purpose

Provide closed collection and recovery of process drains.

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.

EP / EPPUnderground drain vessel functional diagramFunctional diagram
Underground Drain Vessels: Underground drain vessel functional diagramDrain-system boundaryClosed drainsUnderground vesselSubmersible pumpTo disposal orrecoveryGas to safe system
GasDrain

A typical equipment arrangement is shown. Final execution, redundancy and valve scope are established during engineering.

Engineering basis

Design parameters

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

Servicecomposition, density, viscosity and corrosivity
Working volumespecified by the project or calculated by the supplier
Design conditionspressure, temperature, vacuum and hydrostatic load
Executionmaterials, coating, insulation and heating as specified

Process functions

Principal process duties

  • Gravity-drain collection
  • Level monitoring and alarms
  • Liquid transfer by submersible or external pump

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.

EP / EPP 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

Equipment in the same category

ON Oil Settlers
ON

ON Oil Settlers

Horizontal vessels for gravity dehydration of crude-oil emulsion with engineered residence time and interface control.

View details