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IndustryGlossary Term

Stock Hole

A pre-drilled or existing borehole kept in reserve for future use on a wellsite. Subcontractors may be mobilised to maintain or re-enter stock holes with little advance notice. Knowing a site has stock holes helps crews plan equipment and standby requirements.

Related Terms

Private Activity Bonds

Industry

Tax-exempt bonds issued by governments to finance private infrastructure projects like pipelines or terminals. Subcontractors may work on bond-funded projects, which often carry strict procurement and reporting requirements. Understanding this can affect how you bid and invoice on qualifying jobs.

Production Hookup

Industry

The final phase of connecting a well or facility to live production infrastructure, including pipelines, separators, and metering equipment. For subcontractors, it typically means intensive, time-sensitive scope with strict sequencing requirements. Delays can trigger penalties, making accurate scheduling and crew readiness critical.

AFE (Authorization for Expenditure)

Industry

A budgeting document used in oil and gas projects that outlines expected costs and seeks approval before work begins. Subcontractors often work under AFEs issued by operators.

Drill-And-Blast

Industry

A ground excavation method where holes are drilled into rock, then loaded with explosives and detonated. Subcontractors on these scopes typically require certified blasters and strict compliance with provincial explosives regulations. Expect tight sequencing with other trades and potential site shutdowns during blast windows.

Suspension Order

Industry

A formal directive from a prime contractor or operator to halt work on a project temporarily. Subcontractors must stop billable activities but may still incur standby costs. Review your contract carefully, as suspension terms affect demobilisation, remobilisation, and delay compensation.

Bore Path

Industry

The planned underground route a drill bit follows during horizontal directional drilling (HDD). Subcontractors use bore path data to plan equipment placement, crew positioning, and utility clearances. Deviations from the bore path can trigger rework costs and schedule delays.

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