Dargavel Engineering has extensive Onshore and Offshore Facilities engineering expertise covering:

  • Offshore Wellbay Flowline Modelling
Concept / techno-economic studies
  • Basic and Front End Engineering Design (FEED)
  • Detailed Design
  • Technical Audits
  • Assets Integrity assessment
  • Procurement, Tender Services
  • Project Management / Controls: PMC, FEED, EPC, Design basis, QA Systems, Project Justification, Cost & Man-hour estimates


Oil Metering (Alderley Coriolis Meters) upgrade Piping Modelling


The Dargavel team have extensive experience of facilities engineering both onshore and offshore that includes:

  • Rotating Machinery: Centrifugal (API 610), positive displacement, progressive cavity, reciprocating, submersible,metering pumps, generators, centrifuges, top & side entry agitators, compressors, liquid ring vacuum pumps, fans, turbo compressors (API 617), exhausters, gas turbines, wind turbines.
  • Utilities: Cooling water towers, boilers, Steam, HVAC, cryogenic air liquefaction plant for nitrogen blanketing, compressed air systems. Fire fighting systems to NFPA 11, (foam) 15, 30 (water) including pumps, foam proportioning units & underground, aboveground mains pipe-work, hydrants, monitors, reverse osmosis desalination for drinking water, oil skimming devices, API separators.
  • Pipelines, Piping & Layout: Piping specifications, Valve specifications, material selection, QA/QC, NDE, Sour service, NACE MR0175 Cost estimates, Isometrics, Bulk MTO lists. Layout of process equipment, Pumping Stations, buried & cross country pipelines including wellheads / flowlines, pipetracks, Hot taps, Piping design to ASME (B31.1, / 3 / 4 / 8), chrome moly alloy steel, Stainless Steel (304, 316, Super Duplex) lined carbon steel (Cement, PTFE, PVDF). Glass / GRP pipe for corrosive fluids, Pipe Stress Analysis (Caesar II). Pipe support systems inc. spring hangers, scrapers, loading arms, ship & road tanker unloading facilities, hydraulic calculations, plot plans, piping GA, section, detail & elevation, Piping demolition, hydrostatic test diagrams, piping tie-in schedule / index, Line designation tables, .Protection from surge
  • Static Equipment: Storage tanks to BS 2654, API 620, 650 including floating roof tank farms. Pressure vessels to ASME VIII, reactor and blending vessels, distillation columns, batch stills, fired heaters, fin fan air blast coolers, flat plate and TEMA heat exchangers, Flares.



For more information on our Pipeline and Facilities Engineering services onshore and offshore
call Dargavel Engineering on
+44 (0) 203 705 5541 or +44 (0) 1900 605186 / 62613
or email:
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