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Industry Glossary Term

Proactive Maintenance

Scheduled inspections and repairs performed before equipment fails, reducing costly downtime on job sites. Subcontractors who offer proactive maintenance services can secure longer-term service agreements with operators. It also helps avoid liability tied to unexpected breakdowns during active contracts.

Related Terms

Tubular Management Services

Industry

The tracking, inspection, storage, and handling of oilfield pipe and casing on behalf of operators or drilling contractors. Subcontractors providing these services manage inventory, thread protection, and condition reporting at wellsite or yard facilities. Scope often includes running tally sheets, third-party inspections, and coordinating pipe delivery to rig floor.

BOE (Barrel of Oil Equivalent)

Industry

A standardised unit of energy measurement that converts different types of oil and gas production into equivalent barrels of crude oil, used by operators to report total production volumes when determining project scope and service requirements for subcontractors.

Trenching Bucket

Industry

A narrow, deep excavator attachment used to dig trenches for pipelines, conduit, or utilities. Subcontractors specify bucket width based on pipe diameter and burial depth requirements. Having the correct size on-site avoids costly equipment swaps and project delays.

OSHA

Industry

Occupational Safety and Health Administration. The US federal agency responsible for workplace safety regulations. Compliance with OSHA standards is required for contractors working in the United States.

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.

FPSO (Floating Production, Storage and Offloading Unit)

Industry

A ship-shaped offshore vessel that processes and stores crude oil or gas directly at sea, then transfers it to tankers — for subcontractors, FPSOs represent remote, long-duration worksites with strict offshore safety certification requirements, specialised crew rotation logistics, and scope that can span topside maintenance, marine systems, and instrumentation work simultaneously.

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