VRU (Vapour Recovery Unit)

A service job focused on removing debris, scale, or obstructions from a wellbore, tank, or pipeline. Subcontractors are often mobilised on short notice to perform cleanouts between production phases. Accurate job scoping is critical, as unforeseen material volumes can affect your quoted price.

A urea-based solution injected into diesel exhaust systems to reduce harmful emissions on Tier 4 equipment. Subcontractors must keep adequate DEF on-site, as running out triggers engine derate or shutdown. Factor DEF supply and storage into your remote site logistics planning.

The formal approval by an operator or project owner to proceed with full-scale field development. For subcontractors, it signals that major contracts, mobilisation, and field work are imminent. It marks the point where scopes of work move from planning to active procurement.

A standardised production metric that converts all hydrocarbons—oil, gas, and NGLs—into a single daily output figure. Operators use BOED to size contracts and scope field service requirements. Higher BOED rates typically mean larger crew needs, more equipment, and increased service volumes for subcontractors.

Prefabricated, relocatable tanks or containment units installed on-site without permanent foundations. Subcontractors use them for temporary fuel, water, or chemical storage on remote or fast-moving job sites. Their modular design speeds up mobilisation and reduces civil work costs.

Offshore and nearshore infrastructure work including platform installation, subsea pipelines, and dock or jetty builds. Subcontractors often face strict vessel access requirements and marine safety certifications. Mobilisation costs and weather delays are major contract risk factors.

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