Boardwalk Pipeline Partners LP (NYSE: BWP) purchased the remaining 65 percent interest in PL Midstream LLC for $269 million.

PL Midstream provides salt-dome storage, pipeline transportation, fractionation and brine supply services for producers of petrochemicals, natural gas liquids and natural gas.

Boardwalk Pipelines Holding Corp., a subsidiary of Loews Corp. (NYSE: L) owned the interests.

Boardwalk is a limited partnership that provides transportation, storage, gathering and processing of natural gas and liquids.