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IndustryGlossary Term

Trenchless

A method of installing or repairing underground pipelines and conduits without open excavation. Techniques include horizontal directional drilling (HDD) and pipe bursting. Subcontractors working trenchless scopes need specialised equipment and certified operators.

Related Terms

STACK (Sooner Trend Anadarko Basin Canadian and Kingfisher)

Industry

A prolific multi-zone oil and gas play in central Oklahoma covering Canadian and Kingfisher counties. Subcontractors active here support high-density horizontal drilling and completions work. Mobilisation demand can spike quickly, so maintaining local crew and equipment availability is critical.

Equity Partnership (first Nations)

Industry

An ownership arrangement where a First Nations group holds a financial stake in a project or company. Subcontractors may be required to include an equity partner to win work on certain corridors or project areas. This affects bidding structure, profit-sharing, and how contracts are awarded.

PAUT (Phased Array Ultrasonic Testing)

Industry

An advanced non-destructive testing method that uses multiple ultrasonic beams to inspect welds, pipelines, and structural components for defects. It produces detailed cross-sectional images without cutting or damaging the material. Subcontractors offering PAUT services typically require certified Level II or III technicians and specialised portable equipment.

M&A (Mergers and Acquisitions)

Industry

When two companies combine or one buys another, reshuffling vendor lists and contract structures. Subcontractors may face renegotiated rates, new prequalification requirements, or lost preferred-supplier status. Monitor client M&A activity closely — approved contractor rosters often get cut during integration.

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.

Frac Flowback

Industry

The phase after hydraulic fracturing when water, sand, and hydrocarbons flow back to surface from the wellbore. Subcontractors are often mobilised quickly to manage fluid handling, testing, and disposal. Flowback work can be short-duration but requires crews and equipment on standby.

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