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Industry Glossary Term

Primary Term

The fixed initial period of a service contract during which either party is typically locked in. For subcontractors, it sets the guaranteed window to recover mobilisation costs and generate revenue. Work orders or rates often cannot be renegotiated until this period expires.

Related Terms

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.

Wet Utilities

Industry

Underground systems that carry water, sewage, or other liquids, including water mains, storm drains, and sewer lines. Subcontractors must locate and mark these lines before any excavation to avoid costly damage or work stoppages. Wet utility work often requires specialised crews and municipal permits.

Brine Development

Industry

The process of producing and managing saltwater solutions used in well completion, workover, and drilling operations. Subcontractors may be engaged for fluid handling, storage, transport, or disposal services. Scope can vary widely, so confirm fluid specifications and disposal requirements before mobilising.

Wireline

Industry

A method of lowering tools, instruments, or equipment into a wellbore via a steel cable, commonly used for well logging, perforating, and intervention services. For subcontractors, wireline work is typically scoped as a specialised service requiring certified operators and dedicated equipment spreads.

Hub

Industry

A central staging location where crews, equipment, and materials are coordinated before deployment to remote job sites. For subcontractors, the hub determines mobilisation routes, laydown areas, and logistical costs. It often serves as the main point of contact between the prime contractor and field crews.

ISNetworld

Industry

A contractor management platform used by operators to verify that subcontractors meet safety, insurance, and compliance requirements before being allowed to work on sites. Maintaining ISNetworld compliance is essential for subcontractors working with major operators.

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