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Industry Glossary Term

Wellpad

A prepared, levelled site where one or more oil or gas wells are drilled and completed. Subcontractors often mobilise to a wellpad for multi-well scopes, making it a key unit for planning labour and equipment. Pad size and well count directly affect job duration and invoicing cycles.

Related Terms

Alternative Delivery

Industry

A project procurement model where design and construction are bundled under one contract, such as design-build or EPC. Subcontractors often engage through a prime contractor rather than directly with the owner. Scope, risk, and payment terms can differ significantly from traditional bid-build arrangements.

In-Service Date

Industry

The date when equipment or a facility is officially commissioned and begins active operation. For subcontractors, this date often triggers billing milestones, warranty periods, or contract close-out requirements. Missing this date can result in penalties or delayed final payment.

Pylon

Industry

A tall structural tower used to support overhead power lines, pipelines, or signage on job sites. Subcontractors may work near pylons during civil, electrical, or pipeline installation scopes. Always verify exclusion zones before mobilising equipment.

GWD (Getting Work Done)

Industry

A safety and compliance management system used by some operators to pre-qualify and manage contractors working on their sites.

Well Lifecycle

Industry

The full sequence of a well's existence, from drilling and completion through production and eventual abandonment. For subcontractors, each phase represents distinct scopes of work, crew requirements, and contract opportunities. Understanding the lifecycle helps you anticipate project transitions and position for follow-on work.

MTPA (Million Tonnes Per Annum)

Industry

A measure of a facility's annual production or processing capacity, expressed in millions of tonnes. Larger MTPA ratings typically signal longer project durations and higher subcontractor labour demand. Knowing a site's MTPA helps field service companies anticipate scope size and resource requirements.

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