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Industry Glossary Term

Waterway Crossing

A section of pipeline, conduit, or cable routed beneath or across a river, creek, or other body of water. Crossings typically use methods like horizontal directional drilling (HDD) or open-cut trenching. Subcontractors must meet strict environmental permits and inspection requirements before and after installation.

Related Terms

Sonic Stimulation

Industry

A well enhancement technique that uses high-frequency sound waves to dislodge scale, paraffin, and debris from perforations and near-wellbore formations. Subcontractors deploy specialised downhole tools to transmit sonic energy, improving flow rates without chemical treatments. Crews require training on tool handling and wellhead pressure protocols before mobilising.

Undeveloped Inventory

Industry

Approved but undrilled well locations or untapped reserves an operator plans to develop in future phases. For subcontractors, it signals upcoming work pipelines and potential long-term contract opportunities. Tracking an operator's undeveloped inventory helps you anticipate mobilisation timelines and resource planning.

Cleanout

Industry

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.

Phased Array Ut (phased Array Ultrasonic Testing)

Industry

An advanced non-destructive testing method that uses multiple ultrasonic beams to inspect welds and materials for defects. It replaces traditional radiography on many pipeline and pressure vessel jobs. Subcontractors offering PAUT services often command higher rates and qualify for more specialised scopes.

Hydrostatic Testing

Industry

A pressure integrity test where pipelines, vessels, or equipment are filled with water and pressurised to detect leaks or weaknesses. Subcontractors are often hired to perform or witness these tests before commissioning. Proper documentation is critical, as clients and regulators require certified test records.

Multiple-Award Contract

Industry

A procurement arrangement where a client awards contracts to several qualified subcontractors simultaneously. Each awarded vendor is eligible to compete for individual task orders as work is released. It creates no guaranteed volume, so subcontractors must continue bidding to secure actual revenue.

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