The developers of a planned 120-mile natural gas pipeline in eastern Pennsylvania say the project is being suspended indefinitely.

The proposed Commonwealth Pipeline would carry natural gas from a deposit in the Marcellus Shale in Lycoming County. It would travel through Columbia, Montour, Northumberland, Schuylkill and Berks counties on its way to Chester County.

The groups behind the project announced on their website that the project is being suspended. No reason was given, but the group said it will provide updates later.

The pipeline was supported by three major partners: Inergy Midstream LP, Reading-based UGI Energy Services Inc., and WGL Holdings Inc.

The developers had said they hoped to have the pipeline in service by 2015.