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IndustryGlossary Term

Spot Work

Short-term, unplanned jobs awarded without a long-term contract, typically filled on short notice. Subcontractors are engaged for a single scope or site visit at a negotiated day rate. Common in shutdown, turnaround, and emergency maintenance situations.

Related Terms

Booster Compressor

Industry

A secondary compressor used to increase gas pressure in pipelines or processing systems when inlet pressure is too low. Subcontractors are often hired to install, operate, or maintain these units on short-term field assignments. Rental and service contracts for booster compressors are common in late-life field operations.

Chokepoint

Industry

A stage in a project where workflow bottlenecks, delaying downstream tasks and crew productivity. For subcontractors, chokepoints often occur at inspection holds, permit approvals, or material deliveries. Identifying them early helps protect schedule and avoid costly standby time.

Oil Battery

Industry

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.

Artificial Lift

Industry

A system used to boost production from oil wells that lack sufficient natural pressure to bring fluids to surface. Common methods include rod pumps, ESPs (Electric Submersible Pumps), and gas lift. Subcontractors are often mobilised to install, service, or troubleshoot these systems throughout a well's producing life.

Laser Surface Ablation

Industry

A surface preparation method using focused laser energy to remove rust, coatings, or contaminants from metal. Subcontractors use it as a cleaner alternative to sandblasting on pipelines and structural steel. It reduces waste disposal costs and meets strict environmental site requirements.

RAP (Reclaimed Asphalt Pavement)

Industry

Milled or crushed material salvaged from existing asphalt surfaces during road removal or rehabilitation work. Subcontractors reuse RAP as base material or blend it into new asphalt mixes, reducing material costs. Proper handling and testing requirements may apply depending on project specs.

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