Trailblazer Pipeline Co. LLC (TPC) and Rockies Express Pipeline LLC (REX) are moving through the regulatory process with plans to abandon the Trailblazer system and repurpose the infrastructure for carbon dioxide (CO2) transportation. 

trailblazer pipeline map

The two Tallgrass Energy Partners-owned midstreamers in late May filed plans for the abandonment project with FERC. 

The plan involves abandoning 392 miles of the Trailblazer pipeline as well as three TPC compressor stations, including one natural gas-fired compressor. The pipeline would be reconfigured to transport CO2, which would ultimately be sequestered at a proposed sequestration hub in the Denver-Julesburg Basin. 

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