FERC seeks comment on enviro review for Sabine Pass LNG project

The Federal Energy Regulatory Commission on Dec. 12 put out for comment until Jan. 12, 2015, an environmental assessment (EA) for the Sabine Pass Liquefaction Expansion Project (SPLE Project).

This project is proposed by Sabine Pass Liquefaction Expansion LLC, Sabine Pass Liquefaction LLC and Sabine Pass LNG LP (collectively referred to as “Sabine Pass”), and the Cheniere Creole Trail Pipeline Expansion Project (CCTPL Expansion Project), proposed by Cheniere Creole Trail Pipeline LP (CCTPL).

Sabine Pass requests authorization to expand the existing Sabine Pass Liquefied Natural Gas Terminal in Cameron Parish, Louisiana. CCTPL is proposing to expand and extend its existing pipeline system within these parishes in Louisiana: Cameron, Calcasieu, Beauregard, Allen, and Evangeline.

The SPLE Project involves constructing two new LNG liquefaction trains (referred to as Trains 5 and 6) and would increase the terminal’s capability to liquefy natural gas for export by 503 billion cubic feet per year (Bcf/y) (251.5 Bcf/y per liquefaction train).

The CCTPL Project involves expanding and extending the existing CCTPL pipeline system to enable it to provide up to an additional 1.5 billion cubic feet per day of firm reverse flow capacity on the existing CCTPL pipeline system. The new pipeline facilities would consist of approximately 104.3 miles of new 42-inch and 36-inch-diameter pipeline (loop, mainline extension, and laterals) in Cameron, Calcasieu, Beauregard, Allen, and Evangeline parishes, and 53,000 horsepower of additional compression at the new Mamou Compressor Station in Evangeline Parish.

The SPLE Project has been designed to process about 1.4 Bcf/d of pipeline-quality natural gas that would be delivered to the SPLNG Terminal through the interconnecting CCTPL system. Natural gas would be liquefied and stored in the SPLNG Terminal’s five existing metal, double-walled, single containment storage tanks with secondary impoundment. LNG would be exported from the terminal by LNG carriers that would arrive at the SPLNG Terminal via the Sabine Pass Channel.

The proposed liquefaction facilities consist of two ConocoPhillips Optimized Cascade LNG Process Technology Trains (LNG Trains 5 and 6), each capable of processing up to 251.5 Bcf/y (or 0.7 Bcf/d) of natural gas, with an average liquefaction capacity of 4.5 million tons per annum.

The SPLE Project includes these key facilities:

  • two liquefaction trains, including the pre-treatment and liquefaction facilities (each train would include six LM2500+ G4 gas turbine-driven refrigerant compressors);
  • one hydrogen sulfide (H2S) removal system for acid gas removal, including a thermal oxidizer unit, in each of the two liquefaction trains;
  • one heavies removal unit and associated equipment, including a condensate stabilizer system in each of the two liquefaction trains;
  • one wet flare and one dry flare for Trains 5 and 6;
  • five boil-off gas recycle compressors;
  • one 71,842-gallon (working) amine storage tank;
  • one 240,493-gallon condensate storage tank and one 100-gallons per minute (gpm) condensate pipeline send-out pump;
  • two LM2500+DLE (dry low emissions) gas turbine generators to supply additional electrical power;
  • two diesel-powered standby generators; and
  • one 1.53-million gallon demineralized water tank.
About Barry Cassell 20414 Articles
Barry Cassell is Chief Analyst for GenerationHub covering coal and emission controls issues, projects and policy. He has covered the coal and power generation industry for more than 24 years, beginning in November 2011 at GenerationHub and prior to that as editor of SNL Energy’s Coal Report. He was formerly with Coal Outlook for 15 years as the publication’s editor and contributing writer, and prior to that he was editor of Coal & Synfuels Technology and associate editor of The Energy Report. He has a bachelor’s degree from Central Michigan University.