USGC Petrochemicals Projects (Ethylene, Ethane, Brine system and Wells storage upgrades)

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Audubon Companies performed engineering, drafting and procurement services for the proposed expansion of the ethylene & ethane underground well storage, extraction, drying, purification processes and pipeline grid distribution at the TARGA Terminal in Mont Belvieu, TX.

The primary scope of work included a new ISBL (inside battery limits) ethylene treater unit which required a new multi-level pipe rack, new well and product metering runs, elevated equipment structure, two trains of dehydrator towers, sof-no-lime reactors, regeneration compressors and air-cooler, high pressure pipeline pump and after-cooler, stand-by generator, hot oil package system, flare heat sink skid, motor control center and field control room, electrical, instrumentation and automation. Audubon worked in tandem with two other OSBL (outside battery limits) engineering contractors to accommodate all systems at existing terminal, as well as two clients. Audubon acted as the procurement agent to Chevron Phillips Chemical for all ISBL and OSBL equipment and sub-vendors required for the project. The total EPCM project is valued at $80MM.

Project Overview:

  • USGC Petrochemical Multi Upgrade Project
  • Proposed expansion of the ethylene & ethane underground well storage, extraction, drying, purification processes and pipeline grid distribution
  • New ISBL (inside battery limits) ethylene treater unit (400,000 lbs. / hr. rating)
  • FEL 1.0 started 2011 and completed in 2017
  • 105,000 man hours worked with zero recordable from FEED to onsite construction support

Scope of Work:

  • Conceptual Study
  • FEED
  • Detailed Engineering
  • Project Management
  • Process Safety Analysis
  • Automation & Controls
  • Procurement Services
  • Construction Management & Inspection
  • PHA/HAZOP Facilitation
  • Operational Technical Writing