NGL Storage Facility

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NGL Storage Facility

NGL Storage Facility | Audubon Companies | Integrated EPC Services


A Major Oil & Gas Manufacturing and Logistics Company


Brazoria County, Texas

Project Summary:

In order to support current NGL storage demands, Audubon Companies was contracted for a brownfield expansion of a natural gas liquid (NGL) storage facility located in Brazoria County, Texas. Audubon completed the five cavern greenfield designs and construction support for Phase one in 2014. Phase two included process design and engineering for the facility’s topsides, total installed cost (TIC) estimating, P&IDs, and PHA and LOPA reviews. Additional services included performing a front-end engineering design (FEED) study to determine the scope of work and EPC schedule, and risk register for the entire project. Completion on the six MMbbl NGL storage project was accelerated and completed within 18 months.

Project Overview:

  • Salt Dome Storage Terminal Expansion
  • 2 underground NGL salt-dome storage caverns
  • 2+ MMbbl Brine Pond
  • Brine de-gasification system
    • 9,200 GPM of brine flow
  • Over 1 mile of pipeline
  • 6 million barrels for underground NGL storage
  • 2 motor control center (MCC) buildings
  • 14MW Substation #2 – integrated to Substation #1
  • Bi-directional product manifold expansion for 5 pipeline & 7 cavern tie-ins
  • Design capabilities
    • 6 MMbbl of NGL
    • Cavern depth: 4,500 ft

Scope of Work:

  • Facilities Topsides Design
  • Process Design
  • Multidisciplinary Engineering
  • Electrical and control system design
  • Procurement Support
  • Total Installed Cost (TIC) estimating
  • PHA and LOPA reviews
  • Survey
  • 3D Laser Scanning