Construction To Begin On Gulf Connector Expansion Project

Map courtesy of Transco.

Transcontinental Gas Pipe Line Co. (Transco) has received US Federal Energy Regulatory Commission (FERC) approval to proceed with construction associated with the Gulf Connector Expansion Project.

Transco, a wholly owned subsidiary of Williams Partners LP, filed its initial application with FERC in 2016. The project will enable Transco to provide 475,000 dekatherms per day of incremental, year-round, firm transportation service from Transco’s Station 65 Zone 3 Pool in St. Helena Parish, Louisiana, USA, southward along its mainline, to new delivery points in Transco’s Zones 1 and 2.

The project includes three new compressor stations: Station 17, Station 23, and Station 32.

Station 17 is a new compressor station in San Patricio County, Texas, USA. It will include the following components:

  • One Solar Taurus 60 unit with a C40 compressor for a total of 7800 hp (5818 kW);
  • One 24‐in. (609-mm) station suction header and discharge header;
  • One separator sized to handle 400,000 dekatherms per day;
  • One blowdown silencer, for the unit piping.

Station 23 is a new compressor station located in Victoria County, Texas. It will include the following components:

  • Two Solar Taurus 70 unit with C40 compressor (10,800 hp [8056 kW] each) for a total of 21,600 hp (16,113 kW);
  • One 24‐in. station suction header and one 24‐in. station discharge header;
  • Unitized suction scrubbers (one per unit, two total) sized to handle 200,000 dekatherms per day each;
  • Four blowdown silencers, for the suction and discharge headers and the unit piping.

Station 32 is a new compressor station located in Wharton County, Texas. It will include the following components:

  • One electric motor drive unit with an Ariel JGH/4 compressor for a total of 1250 hp (932 kW);
  • One 12‐in. (304-mm) station suction header and discharge header;
  • Three blowdown silencers, for the suction and discharge headers and the unit piping.