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.