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IndustryGlossary Term

Oil Battery

A surface facility that receives, separates, measures, and stores crude oil from multiple wells. Subcontractors frequently work at batteries for maintenance, instrumentation, and tank servicing. It is a common site for ongoing field service scopes.

Related Terms

Leader (drilling Rig)

Industry

A vertical guide structure on a pile-driving or drilling rig that keeps the drill string or pile aligned during penetration. Subcontractors working near this equipment must follow strict exclusion zone protocols. It is also called a mast or leads on some rigs.

Transmission Main

Industry

A large-diameter pipeline that moves water, gas, or other fluids over long distances at high pressure. Subcontractors are often hired for installation, inspection, or maintenance work on these lines. Strict pressure ratings and material specs govern all field work.

Thermal Resource Fleet

Industry

A subcontractor's collection of heat-generating equipment, such as steam generators, line heaters, and freeze protection units. These assets are mobilised for cold-weather operations, pipeline conditioning, or process heating on oil and gas sites. Fleet size directly affects a subcontractor's capacity to bid on thermal service contracts.

Work Package

Industry

A defined bundle of tasks, drawings, and specs issued to a subcontractor for a specific scope of work. It sets the boundaries of your crew's responsibilities on a project. Work packages drive your billing milestones and progress claims.

P3 (public-Private Partnership)

Industry

A project delivery model where government and private companies jointly fund and develop infrastructure like pipelines, roads, or facilities. Subcontractors often work under large prime contractors who hold long-term P3 concession agreements. Payment structures and scope changes can be complex, so review contract terms carefully before mobilising.

PPA (Power Purchase Agreement)

Industry

A long-term contract where a buyer agrees to purchase electricity from a generator at a fixed price. For subcontractors, PPAs on large sites can affect whether temporary or permanent power infrastructure is in scope. Understanding site power arrangements helps clarify mobilisation costs and equipment requirements.

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