Our clients include energy companies, operating companies, engineering and EPC leaders, consultancies, and classification societies. We are engaged in both new development projects and modification projects, providing high-quality technical expertise and innovative engineering solutions.

Fire Integrity Analysis of Piping and Flanges

Petrell performed fire integrity analysis for piping and flanges on a production manifold that is not provided with pressure-relieving devices …

Use of Two Excess Gas Flowlines at Åsgard

Equinor is considering cutting CO2 emssions by reducing compressor work for excess gas on Åsgard A, by simultaneous use of …

Fire integrity of flanges on Valhall

Petrell performed a fire integrity analysis for the production flowline segment at Valhall for Aker BP and Aker Solutions. The …

Fire integrity of flanges on Skarv

Aker BP have been reviewing fire integrity of flanges connected to the HP/LP flare system on Skarv, and asked Petrell …

Assessment of fire risk and blowdown of LH2 fuel system

Air Liquide Advanced Technologies (ALAT) is a member of the consortium running the HEAVEN project, funded by the European Commission …

Modifications of depressurisation analysis for Petrojarl 1

In 2015, Teekay Petrojarl Production was executing modifications of Petrojarl 1 for deployment at the Atlanta field offshore Brazil. A …

Cold Blowdown Analysis of OKEA’s Hasselmus tie-in to Draugen

During a study of Hasselmus tie-in to Draugen, OKEA asked Petrell to perform an analysis of cold blowdown of the …

Fire Integrity Analysis of Flanges on Heat Exchangers

In 2015, Teekay Petrojarl Production was executing modifications of Petrojarl 1 for deployment at the Atlanta field offshore Brazil. A …

Hazard identification of test site

In Rolls-Royce Trondheim they are developing electrical machines for electrical planes. Prior to starting testing of a generator system involving …

Fire Blowdown and Fire Integrity Analysis of Johan Sverdrup RP mod

ASK, Joint Venture between Aker Solutions and Kværner, has been awarded the contract for the Johan Sverdrup RP mod EPCI …

Technical safety and work environment analyses at Aker BPs Alvheim

Kaefer Energy (KE) had the mission of doing modification work in context with a new kitchen/galley at Aker BPs Alvheim. …

Depressuration simulation of gas lift on Knarr

Petrell has previously (early 2018) carried out analyzes of the Knarr process system by optimizing passive fire protection and performing …

Fire Integrity Analysis QCLNG Project

A fire integrity analysis of selected vessels and connected equipment and pipework has been performed for the Queensland Curtis LNG …

Fire integrity of flanges

Over the last couple of years, we have developed a scheme for analysis of fire integrity of flanges. The development …

SolidCO2Sim

In order to address safety issues and flow assurance in CO2 rich processes, modelling and prediction of the formation of …

Depressurisation and Fire Integrity Analysis – Petrojarl 1

Teekay Petrojarl Production is executing modifications of the FPSO Petrojarl 1 for deployment at the Atlanta field offshore Brasil. The …

Detailed Profile Temperature Study – Gassco

A detailed low temperature study is performed on two segments on the Gassco Emden project using VessFire 2.0. Both pressurisation and …

Martin Linge Smoke Study

The objective of the smoke study was to investigate the effect of fire on the behaviour of the ventilation system …

Fire Integrity Analysis Rimfaksdalen

We have completed a piping fire integrity analysis for the Rimfaksdalen inlet arrangement on Gullfaks for Wood Group Mustang Norway …
YearProjectDescriptionGeo area
2025GjøaFire integrity analysis of coolerNorway
2025Skarv FPSOFire integrity of BS26Norway
2025LNG plantVessel Survivability AnalysisNorway
2025Edvard GriegFire integrity analysis of Flash Drum segmentNorway
2025Huign A and Valhall PWPRe-run of flange analysesNorway
2025HuginFlange analysis additionNorway
2025XFire integrity of 8″ flange in-line fire water delugeNorway
2025Zohr LLPDynamic simulation and thermomechanical analysisNorway
2025Åsgard BFire integrity analysis of 4500# compact flangeNorway
2025Hugin AFire integrity of fire water line with no flowNorway
2025ValhallFire integrity 20″ titan flange in FW ring mainNorway
2024Gina KrogSeparator VF analysisNorway
2024Valhall PH platformFire simulation entrapped HC pipesNorway
2024GoliatFire integrity of titan flanges in FW systemNorway
2024ADNOC LZ LTDP-1 EPS2 and PDPFire integrity and blowdown analysisNorway
2024Edvard GriegFire integrity and blowdown analysis. Review PFP.Norway
2024Gina Krog – tie-in of EirinFire integrity and blowdown analysisNorway
2024Kristin electrificationHSE & Layout reviewNorway
2024Åsgard BLow temperatureNorway
2024KårstøLow temperatureNorway
2024Valhall PH platformFire integrity analysis compact flanges and entrapped volumeNorway
2024Manatee FEEDFire integrity production separatorNorway
2024Hugin AFire Integrity of Flanges with Spacers Spades Etc. (long Bolts)Norway
2024FIA of Titan Blind Flanges in Deluge SystemNorway
2024Edvard GriegProduced Water Filter PSVNorway
2024Rosebank FPSORupture calculations and cold blowdown all process systemsNorway
2024Njord tie-inHSE & Layout reviewNorway
2024Valhall BWPTitan flanges in FW ring mainNorway
2024TjeldbergoddenHAZID & HSE Layout reviewNorway
2024Hugin BFire Integrity Analysis of FlangesNorway
2024Eldfisk EBlowdown and Fire Integrity Analysis (pipe rupture)Norway
2024CO2 injection – CCSBenchmarkingNorway
2024BacalhauHSE & Layout review / construction reviewNorway
2024Hugin AFire Integrity of Flanged Connections with Long BoltsNorway
2024RosebankPipe rupture – effect from gravityNorway
2024Skarv FPSOFire Integrity Analysis of Rupture Disc AssembliesNorway
2023ValhallFlange analysisNorway
2023Hugin AStagnant flow in 3″ titan lineNorway
2023EKOXFire integrity analysis Test manifoldNorway
2023FenrisAnalysis of hubsNorway
2023Halten consolidation projectHSE & Layout reviewNorway
2023Valhall PWPT ProjectFire integrity of flangeNorway
2023Manatee FEEDFire integrity Analysis existing and new process segmentsUK
2023Edvard GriegFire Integrity Analysis of BD/EQ manifoldNorway
2023Gina Krog projectRupture calculationsNorway
2023BalderFire integriy of flanges at BalderNorway
2023Valhall PWPT ProjectFire integriy of flanges Valhall PWPNorway
2023ValhallFire integrity of flanges Well N11 VNFNorway
2023RosebankRosebank BD and rupture calculationsNorway
2023Shell CruxBlowdown and fire integrity analysisMalaysia
2023Edvard GriegRecalculation of PW filter PSV lineNorway
2023– general –Fire integrity of long bolt connectionsNorway
2022Edvard GriegLow temperature analysis of fuel gas systemNorway
2022– general –Fire integrity of flanges in liquid filled piping systemsNorway
2022ValhallV5721 Flange analysisNorway
2022TjeldbergoddenTime to rupture analysis of MRUNorway
2022NOA & NCP (Hugin A)Flange analysisNorway
2022Alvheim FPSOA5760 flange analysisNorway
2022Alvheim FPSOFlange analysisNorway
2022Rosebank FPSO FEEDBlowdown (fire case, cold) and FO optimisationWest of Shetland
2022Ekofisk XFire integrity piping and flangesNorway
2022Skarv FPSOFire integrity of manholes on pressure vesselsNorway
2022Valhall Flank WestFlange analysisNorway
2022Åsgard BMEG improved robustnessNorway
2022Valhall NCPFlange analysisNorway
2022Aasta HansteenFire integrity of 30″ flangeNorway
2022Ekofisk BFire integrity piping  and flanges, entrapped volumeNorway
2022DraugenPower from Shore Layout reviewNorway
2022DraugenPower from Shore Layout reviewNorway
2022Åsgard B Fogelberg tie-inHAZIDNorway
2022Tor 2Recalculation of FONorway
2022Noise insulation cabinetFlow calculations and structural analysisGermany
2022Ekofisk JFire integrity of Greyloc flangesNorway
2021Johan SverdrupRecalculation of fire integrity of flangesNorway
2021– general –Flange analysis fire water systemNorway
2021Edvard GriegPFP strategy (basis for revision)Norway
2021Ekofisk JFire integrity of flangesNorway
2021RinghorneBlowdown and rupture calculationsNorway
2021Halten Øst FEEDHAZID HSE review leadNorway
2021MelkøyaFEM analysis of heat exchangerNorway
2021BacalhauFlange analysisBrasil
2021Åsgard AHAZID – LTF of hullNorway
2021Blane tie-inFlange analysisNorway
2021UlaFlange analysisNorway
2021ÅSGB MEG robustnessHSE & Layout review fresh water systemNorway
2021NOAKA WHPsDesign reviewNorway
2021Valhall Flank NorthFire integrity of flangesNorway
2020Ula (UFP1)Flange analysisNorway
2020ÅSGB MEG robustnessHSE & Layout reviewNorway
2020Valhall F4873Fire integrity of flangesNorway
2020Edvard GriegEntrapped volumes fire integrityNorway
2020Styrene and pentane storage tanksFire risk assessmentNorway
2020Flange analysisUpdate of models, material data, calibation to experimentsNorway
2020 ÅSGA – ÅSGBExport conditions, blowdown, leak detectionNorway
2020Alvheim FPSOFire integrity of long bolt connectionsNorway
2020Hydrogen aircraftFire integrity of liquid H2 fuel systemNorway
2020Hod tie-in to ValhallFire integrity of flangesNorway
2020DraupnerFire integrity of flangesNorway
2020Edvard GriegFire integrity of flangesNorway
2020Valhall WPPRFire integrity of flangesNorway
2020Skarv FPSOFire integrity of flangesNorway

Selected Resumes

Technical Safety

Petrell has been involved in the following projects as discipline lead or discipline engineer:

B – Feasibility study
C – Concept Study
D – Detail Engineering
FEED  – Front End Engineering Design

  • Tambar (execution)
  • Statfjord Late Life ESP (C, D)
  • Tyrihans (execution) (ÅGB scope)
  • Åsgard Min Flow (C, D studies)
  • Heidrun PPL (C, D and execution)
  • Kristin LPP (C, D)
  • Halten power from shore (B, C)
  • Oselvar – Ula modifications (C, D)
  • Norne M tie-in to Norne (C, D)
  • Gullfaks cement unit (execution)
  • Alve tie-in to Norne (C)
  • Sleipner IO facilities (C/D)
  • Njord IO facilities (C)
  • Sleipner increased exp press (C)
  • Marulk tie-in to Norne (C, D)
  • GF SPM upgrade (C)
  • Snorre A IO facilities (C)
  • Draugen (FEED)
  • Njord LPP (D)
  • Gygrid (D)
  • Kristin M&M (C, D, execution)
  • New lifeboats Grane (B,C)
  • Heidrun EOR (B)
  • Skuld (C, D, execution)
  • Troll B upgrade galley etc (D)
  • Troll B new life boats (C, D)