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IndustryGlossary Term

Steel Erection

The process of assembling and raising structural steel components on a construction site. For subcontractors, this scope typically requires certified ironworkers, crane coordination, and strict fall-protection compliance. It is often a high-value, schedule-critical phase that affects downstream trades.

Related Terms

Long-Cycle Project

Industry

A major capital project with a development timeline spanning several years, such as an LNG (Liquefied Natural Gas) facility or oilsands expansion. For subcontractors, these projects can offer extended contract opportunities but require careful cash-flow planning. Mobilisation costs and payment schedules must be negotiated carefully, as revenue is spread over a long horizon.

Coiled Tubing

Industry

A continuous steel tube wound on a large reel, deployed downhole for well interventions, cleanouts, and stimulation work. Subcontractors often support CT operations as part of completions or well servicing scopes. Specialised CT crews and equipment typically require separate mobilisation planning and rate structures.

Epc (engineering, Procurement, and Construction) Contractor

Industry

A company hired to deliver a project from design through build, acting as the main contractor above subcontractors. As a subcontractor, your client and contract holder is typically the EPC, not the asset owner. They control scope, scheduling, and invoice approval on site.

Ultra-Deepwater

Industry

Offshore drilling operations conducted in water depths exceeding 1,500 metres. Subcontractors working these projects require specialised certifications, equipment ratings, and offshore survival training. Mobilisation costs and logistics complexity are significantly higher than shallow-water scopes.

Brownfield Site

Industry

An existing facility or infrastructure that is being modified, expanded, or recommissioned rather than built from scratch. Subcontractors should expect tighter work windows, live-equipment hazards, and strict permit-to-work requirements. Scheduling and coordination with ongoing operations are critical on brownfield projects.

BHA (Bottom Hole Assembly)

Industry

The collection of drilling tools and equipment at the bottom of the drill string, including the drill bit, drill collars, stabilizers, and downhole motors. For drilling subcontractors, BHA configuration directly impacts drilling performance, tool wear rates, and operational efficiency.

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