Natural Gas Processing

Equinox has extensive experience related to natural gas processing, specifically sour gas. We specialize in processing facility design and construction projects that deal with treatment of acid gas, with varying levels of CO₂ and H₂S.

Equinox expertise in natural gas includes (but is not limited to):

• Natural Gas Processing Facilities
• Compression
  • Centrifugal, reciprocating, rotary screw, vane type
• Gas turbine, natural gas engine, steam turbine and electric drivers
• Dehydration
  • Triethylene Glycol (TEG), Diethylene Glycol (DEG), Mole Sieve, silica gel
• Hydrocarbon Dewpoint Control
  • Mechanical refrigeration, Joule Thompson auto-refrigeration
• Amine (MEA, DEA, DGA, MDEA) sweetening processes
• Physical solvents (Selexol, Sulfinol, Propylene Carbonate)
• Shell-Paques bio-desulphurization process
• CO₂ & H₂S removal, as well as COS and mercaptans
• Sulphur Recovery and H₂S Disposal
• Acid Gas Injection
• Deep cut processes for recovery of ethane, butane, propane and pentane plus
• Natural Gas Liquids (NGL) recovery & NGL fractionation
• Liquid Petroleum Gas (LPG) recovery
• Natural gas sales pipelines

Natural Gas Processing Projects

West Doe Grassroots Sour Gas Plant

Complete EPCM project in northern BC including 23.5 MMscfd sour processing facility; 2% H₂S, 3% CO₂; consisting of inlet separator, amine, dehydration, sales compression, acid gas compression, genset packages with associated flaring systems, tankage and controls.

Tooga Sour Gas Plant Expansion

Phase 1 – Full EPCM project to design and install a new 30 MMscfd sour processing train including inlet separation, inlet compression, amine sweetening and hydrocarbon dewpoint control refrigeration.

Phase 2 - Install a new 25 MMscfd sour processing train by twinning existing process including inlet compression, amine sweetening vessels and dew point control.

Bantry Biological Gas Desulphurization Facility

Bantry biodesulphurization gas plant (10 MMscfd) – Complete EPCM project utilizing proprietary Shell-Paques® technology to remove H₂S from natural gas and convert to elemental sulphur. Equinox provided EPCM services for first utilization of technology for high pressure, natural gas in North America.

Clarke Lake Sour Gas Plant

Complete EPCM project in northern BC including 15 MMscfd grassroots sour processing facility with associated wellsites and gathering system.

Natural Gas Production		Natural Gas Processing	Natural Gas Pipeline