WSP Energy

WSP USA Energy

Liquid Butane Storage Cavern

Butane Storage Cavern

Clemens Cavern Terminal

LOCATION Neal, West Virginia

CLIENT MPLX Terminal Storage, LLC

LOCATION Robinson, Illinois

CLIENT Marathon Pipe Line, LLC

LOCATION Brazoria County, Texas

CLIENT Phillips 66 Partners LP

PROJECT ELEMENTS

PROJECT ELEMENTS

PROJECT ELEMENTS

1.4-Million-Barrel Capacity, 650-Feet Deep Underground Cavern for Butane Storage Engineering-Procurement-Construction (EPC) Management Services Modified “Room and Pillar” Design With Series of Lateral Drifts Separated by Pillars to Maintain Structural Integrity Concurrent Drilling of Three (3) Shafts — Service, Production and Ventilation — Saved Approximately Two Months on Project Schedule

Engineering, Procurement and Construction Management (EPCM) and Fast-Track Phase I Facility Developments Surface/Subsurface Feasibility and Design Engineering Drilling of Five (5) Storage Cavern Wells and Six (6) High Rate Brine Disposal Wells Design/Construction of 12,000 HP Leaching Plant and Associated Infrastructure 1.2-Million-Barrel Brine Pond

Hard-Rock Liquid-Butane Storage Cavern With One (1) Million Barrel Capacity Site Screenings and Geotechnical Feasibility Studies for Cavern Development Managed Drilling 8-Foot-Diameter Main Shaft and Two (2) 36-Inch-Diameter Ventilation/Pump Shafts Lump-Sum Turnkey Contract to Complete Cavern Excavation

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Underground Storage