Hydrocarbons Transport

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Oil and gas pipelines are the backbone of the energy industry in Australia.  As the demand for these resources increases, particularly with the recent emergence of coal seam gas, gas fired power stations and LNG prospects, so does the demand for pipelines and associated facilities to transport these products from the field to the customer.

Community expectations demand that pipelines and facilities are designed and constructed in such a way that the risk of harm to the public is minimised.  Pipelines projects must also be delivered with minimum impact on the environment and cultural heritage whilst providing a return on investment for pipeline owners.

Pipeline and associated facility design and maintenance are subject to stringent codes and regulatory requirements which aim to achieve safe operation through design life.

GHD's Hydrocarbons Transportation team are experienced in all phases of pipeline and facility design but also offer capabilities in many aspects of hydrocarbons transportation including:

  • Project Management
  • Pipeline design
  • Facility design
  • Plant modification projects
  • Project cost estimation
  • Risk assessment
  • Design life review
  • Integrity assessment
  • Hydraulic modeling
  • Stress analysis
  • Fatigue analysis
  • Construction management
  • Technical due diligence

The team includes:

  •  Project managers
  • Design managers
  • Pipeline engineers
  • Mechanical engineers
  • Project engineers
  • Cost/schedule engineers
  • Process engineers
  • Instrument and electrical engineers
  • Civil engineers
  • Draftsmen
  • Surveyors
  • Procurement officers
  • Document controllers
  • Construction managers

For further information, contact:

Peter Barnett
Tel:61 7 3316 3759
Email: Peter Barnett

Davenport Downs Compressor

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The capacity of APA Group’s Carpentaria Gas Pipeline (CGP) is progressively being increased by the installation of additional compressor stations at existing scraper stations along the pipeline.

Davenport Downs Compressor Station is located in Western Queensland and is the second stage of the CGP upgrade. Davenport Downs is a Class 900# station, designed for 175 terajoules per day compression capacity.  The station consists of a Solar Centaur C50 compressor, an inlet filter coalescer, an aftercooler, two 126kilowatt Gas Engine Alternators, gas regulation and filtration skids and various site buildings.

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Jackson – Moomba Oil Pipeline

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The Jackson – Moomba pipeline from Jackson in southwest Queensland to Moomba in north eastern South Australia is aimed at optimizing the transport of oil from Jackson fields to Santos’ existing Port Bonython facility just north of Adelaide.  It has an initial operational capability to pump 2,880 m3/d (18,000 bpd).

GHD provided Engineering, Procurement and Construction Management (EPCM) for the oil pipeline and facilities.  The pipeline was designed and constructed to AS 2885.1-2007 which had only been recently released at the time.  It is a 273 km Class 900# DN200 buried steel pipeline and connects Santos’ Jackson facility to its Moomba facility.  The facilities designed and constructed during this project included metering stations, pig launching / receiving stations and main line valves.  There are also provisions for multiple future intakes and additional pumping booster stations to eventually increase the capacity from the initial 2,880 m3/d (18,000 bpd) to 5,200 m3/d (32,700 bpd).

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Munmorah Gas Pipeline Storage Project

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Jemena’s Munmorah Gas Pipeline supplies and stores gas for the 667 MW Colongra Gas Turbine Station near Newcastle, NSW.  The “linepack” pipeline was the first of its kind in Australia and is also the largest diameter licensed gas pipeline in Australia at 42”.  The project included a pressure regulation station which contains the largest water bath heater in Australia.  GHD provided engineering design from feasibility studies through to detailed design and provided support during construction (by Diona).

The pipeline service is unique as it provides fuel gas for the “peaking” power station which is only brought online during times of peak electricity demand.  While the power station is offline, the pipeline continues to receive gas over a 24 hour period and acts as a storage vessel.  As the instantaneous fuel demands exceed the pipelines capacity to supply gas when the power station comes online, the power station draws down on the stored gas (linepack) in the pipeline over a 3 to 5 hour period.  This allows the Owner freedom to purchase and store gas while the spot price is low and supply it during peak periods when the prices are high, therefore maximizing return.

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North Queensland Gas Pipeline

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The North Queensland Gas Pipeline (NQGP) is a 392 km gas pipeline and 10 MW compression facility that transports coal seam gas (CSG) from Moranbah in Central Queensland to Townsville.

It has made gas available to North Queensland for the first time. The pipeline provides a strategic link between the vast gas reserves of Queensland’s Bowen Basin coalfields and the rapidly growing economy of North Queensland.

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Sydney Primary Loop

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Jemena’s Sydney Primary Loop (SPL) is a 29km DN500 pipeline which runs through south western suburbs of Sydney from a connection to an existing section of the DN550 primary loop pipeline at Casula and ties in into the existing DN550 primary main pipeline at Marrickville.  The SPL pipeline connects two major Jemena Gas Networks primary mains, thus enabling continuity and reliability of gas supply if the supply on either is interrupted.  The SPL pipeline also provides further opportunity for development of the gas distribution network in Sydney area.

The facilities and stations on the SPL pipeline include Automatic Line Break (ALB) main line valve stations, a Primary Regulator Station (PRS) at Moorebank and a Trunk Receiving Station (TRS) at West Hoxton.  GHD was selected by Jemena to undertake engineering design and construction support for the pipeline and associated stations.

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