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IndustryGlossary Term

Facility Tie-in

The process of connecting new pipelines, equipment, or infrastructure to an existing operating facility. For subcontractors, tie-in work often requires strict hot-work permits and coordinated shutdowns with the operator. Scope can expand quickly, so clear change-order procedures are essential before mobilising.

Related Terms

Concrete Gravity Structure

Industry

A massive concrete offshore platform held in place by its own weight rather than piles or anchors. Subcontractors working on CGS projects face complex multi-trade scopes in remote marine environments. Mobilisation, access logistics, and specialised certifications are critical planning factors.

Refinery Utilization Rate

Industry

The percentage of a refinery's total processing capacity actively in use at a given time. Higher utilisation rates signal increased demand for maintenance, turnaround, and inspection crews. Subcontractors can use this metric to anticipate workload surges and mobilisation timelines.

Suspension Order

Industry

A formal directive from a prime contractor or operator to halt work on a project temporarily. Subcontractors must stop billable activities but may still incur standby costs. Review your contract carefully, as suspension terms affect demobilisation, remobilisation, and delay compensation.

Well Program

Industry

A technical document outlining the planned scope, procedures, and specifications for drilling or completing a well. Subcontractors use it to understand required services, equipment, and sequencing before mobilising. It directly affects how you scope work and price your bid.

LNG (Liquefied Natural Gas)

Industry

Natural gas cooled to -162°C to become liquid for easier transport and storage, creating specialized work opportunities for subcontractors in cryogenic equipment maintenance, pipeline construction, and terminal facilities that require specific safety certifications and cold-weather expertise.

Horizontal Well

Industry

A well that is drilled vertically to a certain depth then curved to run horizontally through a target formation, requiring subcontractors to mobilise specialised equipment and crews for extended-reach drilling, completions, and stimulation work that typically involves more complex logistics and longer on-site durations than conventional vertical wells.

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