Tellurian Inc. and Bechtel Oil, Gas & Chemicals Inc. signed four fixed-price, lump-sum turnkey agreements totaling $15.2 billion for the engineering, procurement, and construction of Driftwood LNG, an LNG export plant proposed in Carlyss, La., on the west bank of the Calcasieu River. Driftwood LNG includes:
• Twenty 1.38 million-tonne/year liquefaction trains using Chart Industries’ integrated precooled single mixed refrigerant process and GE refrigeration compressors.
• Three 235,000-cu m full containment LNG storage tanks.
• Three marine loading berths.
Bechtel will build Driftwood LNG in four phases, beginning operations on a staggered basis:
• Phase 1: Up to 11 million tpy from 8 trains, Storage Tanks 1 and 2, Loading Berth 1, and related utilities.
• Phase 2: Up to 5.5 million tpy from 4 trains, Loading Berth 2, and related utilities.
• Phase 3: Up to 5.5 million tpy from 4 trains, Storage Tank 3, Loading Berth 3, and related utilities.
• Phase 4: Up to 5.5 million tpy from 4 trains. and related utilities.
Driftwood described the $550/tonne EPC cost as one of the lowest worldwide. The company expects Phase 1 to enter service in 2022, with all phases operational by 2025.
Driftwood Pipeline LLC is investigating development of a pipeline to supply the plant. The proposed 96-mile line would carry 4 bcfd of natural gas, using 74 miles of 48-in. OD pipe, 11 miles of 42-in. OD, and 11 miles of 36-in. OD. The pipeline would also include 3.5 miles of 30-in. OD lateral, 3 compressor stations (CS 01 Gillis in Calcasieu Parish, CS 02 Basille in Acadia Parish, and CS 03 Mamou in Evangeline Parish), and 13 interconnects.
