Gas

Our Gas Sector Experience

WDC is a trusted civil contractor for major gas operators in Queensland's Surat Basin, providing ongoing construction and maintenance services for upstream gas operations. With over a decade of experience and long-term contracts with Origin and Shell, we've become an essential partner for critical energy infrastructure. Our team's deep understanding of gas industry operations, environmental compliance, and safety protocols ensures seamless integration with client processes and minimal disruption to production activities.

Our Gas Sector Experience

WDC is a trusted civil contractor for major gas operators in Queensland's Surat Basin, providing ongoing construction and maintenance services for upstream gas operations. With over a decade of experience and long-term contracts with Origin and Shell, we've become an essential partner for critical energy infrastructure. Our team's deep understanding of gas industry operations, environmental compliance, and safety protocols ensures seamless integration with client processes and minimal disruption to production activities.

Scope of Works

Our gas sector capabilities encompass access track construction and repairs, well pad construction and upgrades, facility civil works and foundations, lease pad maintenance and rehabilitation, security fencing and gates, erosion and sediment control, vegetation management, drainage installation and maintenance, pipeline support (live excavations with internal qualified supervisors), pond rehabilitation and decommissioning, and cut & cap decommissioning works.

Why Gas Operators Choose WDC

Proven track record with decade-long contracts


Rapid response capability with regional crews


Gas industry competencies across our workforce


Live environment experience in operational gas fields


Safety culture aligned with gas industry standards



Local knowledge of Surat Basin operations

Long-Term Client Partnerships


  • Origin Energy:
    APLNG Construction (2022-current), Condabri Civil Maintenance (2020-current, $30M+), Asset Services & Maintenance (ongoing)

  • Shell (QGC):
    Road Maintenance contract (2018-current, $45M+), Mud/Drill Spoil Management (2018-2027)

  • Senex Energy:
    Multiple facility construction projects including Atlas East and Mimas compressor facilities

What Sets Us Apart

We specialise in working across multiple remote and active sites simultaneously, with dedicated crews positioned throughout gas field operations. Our team holds all necessary gas industry competencies and inductions, understands operational sensitivities in live production environments, and provides rapid response to urgent maintenance and construction needs while maintaining the highest safety and environmental standards required in petroleum operations.

Key Projects 

Key Projects 


QGC Road Maintenance ($45M+)

APLNG Construction ($6M+)

Origin Ramyard Pond Rehabilitation


Senex Mimas Compressor Facility

QGC Sean Pond Rehabilitation

Condabri Civil Maintenance ($30M+)

Services We Provide for Gas Sector Clients

Work With WDC On Your Next Project 

Western Downs Civil has the capability and experience to deliver major concrete works for large-scale infrastructure, energy, and industrial projects. Our services include the construction of structural slabs, foundations, transformer and equipment pads, retaining walls, and complex formwork and reinforcement systems. 


We manage all stages of the concrete process - from excavation and formwork to pouring and finishing - ensuring compliance with engineering standards, safety regulations, and project timelines. 


With a skilled workforce and quality-driven approach, we deliver robust, high-performance concrete structures that form the backbone of critical facilities and infrastructure across Queensland.