Natural Gas Pipeline

Equinox has extensive knowledge and expertise in all phases of natural gas pipeline system design, material selection and construction. Our pipeline experience includes design and construction of sour and sweet gas pipelines, ranging from small flowlines and fuel gas lines up to large transportation mainlines.

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Equinox provides consultation services from front end engineering design, site and route selection, detailed engineering, procurement and construction management for pipeline projects. Our experience includes:

• Gathering Systems 4”, 6”, 8”, 12” – sweet and sour
• Trunk Lines, Sales lines 8”, 12”, 16”, 24” – sweet and sour
• Fuel Gas lines 3”, 4”
• Transportation mainlines, distribution lines
• Natural gas, NGL, Condensate
• Pipeline Pigging
• Remote northern winter construction
• Muskeg, peat bog, permafrost design & construction
• River crossings, conventional and directional boring, horizontal directional drilling 
• Pipeline integrity programs
• Stress Analysis
• Fluid hydraulics
• Route selections
• Environmental Impact Assessments (EIA)

Natural Gas Pipeline Projects

South Peace Pipeline

• Complete EPCM project for 100 km of 20" sour gas pipeline, with major river crossings; pigging facilities; and complete SCADA design and installation. Notable design features includes producer receipt point water analyzers and a co-mingled production gas H₂S & CO₂ analysis system. The pipeline is regulated by the National Energy Board.

Fort Nelson Pipeline

• EPCM project 43 km of 16” sour gas pipeline, major river crossings with 2 km bore; pigging facilities; complete SCADA design and installation

Elleh Pipeline

• Complete EPCM project for 18 km of sour gas pipeline, river crossings; pigging facilities; complete SCADA design and installation

Tooga Pipeline

• 22 km of 8” buried sour spec pipeline in remote northern BC with complete pigging facilities

Cutpick Lateral

• EPCM project 27 km of 6” natural gas pipeline, terrain varied between hard rock and muskeg, multiple river crossings; pigging facilities; complete SCADA design and installation, utilized rock saw during construction

Valhalla Pipeline

• EPCM project 25 km of 8” sour, wet gas pipeline, road and river crossings; pigging facilities; Cathodic protection

Pouce Coupe Pipeline

• EPCM project 22 km of 8” sour gas pipeline; 200m, 300m and 500m bores; pigging facilities; Cathodic protection

Gordondale Pipeline

• 10 km of 6” buried sour pipeline in northern Alberta, 18 MMscfd, 4% H₂S; includes route selection, design & construction management and procurement

Solomon Pipeline

• Complete EPCM project for 20 km of 12” sour pipeline through remote region of heavy muskeg and swampy conditions; SCADA design & installation

Conroy Gathering Systems

• Complete EPCM project for 35 km of sour gas pipeline of 12”, 6” and 4” lines in northern BC

Cold Lake Gathering Systems

• Complete EPCM project for 25 km of sour pipeline gathering system, pigging facilities, winter access, multiple river crossings.

Musreau NGL Pipeline

• Complete EPCM project Complete EPCM project for 10 km of 3” Natural Gas Liquids pipeline through northern Alberta

Natural Gas Production		Natural Gas Processing		Natural Gas Pipeline