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Industry Glossary Term

Vam Connections

Premium threaded pipe connections used in oil and gas drilling and completion operations. Subcontractors handling, installing, or inspecting VAM connections must follow strict torque specs and handling procedures. Improper makeup can result in costly downhole failures and liability exposure.

Related Terms

Single-Source Contractor

Industry

A company hired to deliver an entire scope of work, rather than splitting it among multiple subcontractors. For field service subs, this means one firm holds the prime contract and manages all trades underneath. Winning a single-source role improves cash flow and reduces competition, but increases liability exposure.

Gas Sales Precedent Agreement

Industry

A conditional agreement between a producer and gas buyer that must be satisfied before a project moves to full development. For subcontractors, it signals that major field mobilisation and long-term work commitments depend on this deal closing. Delays or failed negotiations can stall contracts, procurement, and crew deployment.

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.

OD (Outer Diameter)

Industry

The measurement across the outside of a pipe, casing, or tubular component. Subcontractors use OD to specify compatible fittings, tools, and equipment on job sites. Mismatched ODs can cause costly delays and safety issues in the field.

Grid-Scale Battery Storage

Industry

Large battery systems that store megawatts of electrical energy for power grids or remote industrial sites. Subcontractors install, commission, and maintain these units on energy and construction projects. Work includes civil foundations, electrical integration, and ongoing service contracts.

T&D (Transmission and Distribution)

Industry

The network of high-voltage power lines, towers, substations, and local distribution lines that move electricity from generators to end users. Subcontractors in this sector handle tasks like line construction, pole installation, and substation work. T&D projects are often awarded through utility frameworks or provincial grid operators.

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