Case Studies

All of our case studies

Maersk Oil (UK) Ltd – Leadon Decommissioning FEED Study

Subsequent to FPSO removal – key to scope was to provide upfront engineering/evaluation to allow vessel of “opportunity” to be […]

Decipher – Orlando Development

  Petrex Developments are delighted to share in the Decipher success story. Petrex have managed the subsea equipment, installation and […]

Athena Decommissioning – Pipelines/Umbilcals

Petrex Developments have successfully engineered and completed the Phase 1 “Pipeline and Umbilical Clean Up” operations prior to FPSO disconnection.  […]

Anglia – Pipeline Cleaning

Petrex Developments generated the working philosophy to enable the pipeline system to be cleaned as phase 1 of the subsea […]

Athena Decommissioning – Removal of Mooring & Risers

Petrex Developments took the lead from the comparative assessment working up the methodology right through to supervision offshore execution of […]

Ithaca Energy Athena

Project overview: The Athena Field lies approximately 180 km north-east of Aberdeen with the Field entirely within UKCS block 14/18b. […]

Ithaca Energy Jacky Decommissioning

Project overview: The Ithaca operated Jacky oil field represents the first field development completed by the Company. First oil was […]

CNR International

Project overview: As part of the CNRI Lyell field upgrade project, a MPBP (Multi Phase Booster Pump) was installed.  However […]

HESS Triton Support

Project overview: Triton is a floating production, storage and offloading vessel (FPSO) that services the oil & gas fields of […]


Project overview:   IVRRThe Ivanhoe and Rob Roy fields are located approximately 120miles northeast of Aberdeen, in Block 15/21A of […]

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