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Industry Glossary Term

Alternative Delivery

A project procurement model where design and construction are bundled under one contract, such as design-build or EPC. Subcontractors often engage through a prime contractor rather than directly with the owner. Scope, risk, and payment terms can differ significantly from traditional bid-build arrangements.

Related Terms

ERP (Enterprise Resource Planning)

Industry

Software that centralises a subcontractor's core business functions, including payroll, invoicing, procurement, and scheduling. It replaces disconnected spreadsheets and paper systems with a single source of operational data. Larger GCs and operators may require subcontractors to integrate with their ERP for work orders and payment processing.

Pipeline Tie-in

Industry

A pipeline tie-in is the physical connection of a new pipeline section to an existing live system. For subcontractors, tie-in work often requires hot-tap certified crews and strict isolation procedures. Scheduling is critical, as tie-ins typically involve planned shutdowns with tight production windows.

Exploratory Well

Industry

A well drilled in an unproven area to determine whether hydrocarbons are present, typically representing higher-risk, shorter-duration work for subcontractors with less certainty of follow-on contracts compared to development drilling programmes. Field service companies should account for the speculative nature of these projects when negotiating mobilisation costs and contract terms.

Boe/d (barrels of Oil Equivalent Per Day)

Industry

A standard measure of a well site's or facility's total energy output, combining oil, gas, and NGLs into one comparable unit. Operators use BOE/D figures to size projects and determine crew and equipment requirements. Higher BOE/D rates typically signal larger scopes of work and longer service contracts for subcontractors.

Trade Contractor

Industry

A specialised subcontractor hired to perform a specific skilled trade, such as electrical, welding, or pipefitting. They are typically engaged by a general contractor rather than the project owner directly. Trade contractors are responsible for supplying their own tools, crew, and trade-specific certifications.

Operator

Industry

The company that holds the rights to develop an oil and gas property and manages day-to-day operations. Operators hire subcontractors and service companies to perform various tasks.

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