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Buried Pipeline Projects

 

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.

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 gas and oil
  • Trunk Lines, Sales lines 8”, 12”, 16”, 24” – sweet and sour gas and oil
  • 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
  • Environmental Impact Assessments (EIA)

 

Recent Natural Gas Pipeline Projects


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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.

 


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Tupper Trunklines & Gathering Lines

FEED & Detail Design for 75 km of 16” sour gas, 4” fuel gas and 4” source water pipelines; with 9 major river/creek crossings (using HDD), pigging facilities and complete SCADA design and installation.

 


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Bigfoot Pipeline

EPCM project 34 km of 12” sour gas pipeline, major river crossings with 2 km bore; pigging facilities; complete SCADA design and installation.

 


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East Elleh Pipeline

Complete EPCM project for 28 km x 12" of sour gas pipeline, river crossings; pigging facilities; complete SCADA design and installation

 


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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

 

 

Additional Pipeline Projects


West Doe Acid Gas Pipeline
3 km acid gas pipeline at 80% H2S.

Pouce Coupe Acid Gas Pipeline
Acid gas pipeline at 29% CO2, 70% H2S.

Lynx Sour Gas Pipeline
25 km of 8” sour pipeline (9% H2S) MOP 13,500 kPa including five (5) Line Block Valve (LBV) stations, methanol and inhibitor injection.

West Doe Sour Gas Expansion Pipeline
25 km of 8" sour gas (5% H2S) pipeline.

North Sahtaneh Pipeline
10 km of 12” sour gas pipeline; pigging facilities; complete SCADA design and installation.

South Sahtaneh Pipeline
9 km x 12”, sour specification (2% H2S, 10% CO2) buried line pipe.

Valhalla Pipeline
25 km of 8” pipe to transmit sour (5% H2S), wet natural gas.

Solomon Pipeline
20 km of 12” sour pipeline through remote region of heavy muskeg and swampy conditions; SCADA design & installation.

Tooga Pipeline
22 km of 8” sour specification buried CSA line pipe from a riser at the Duke Tooga Gas Plant to a riser located at the Duke Peggo Plant.

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

Pouce Coupe
9 km of 8” sour pipeline (5% H2S) including metering facility (ESD, control valve, gas meter run, BDV, methanol and inhibitor injection, pigging facilities, river crossings, Environmental Impact Assessment.