A trade discipline covering the installation, maintenance, and commissioning of electrical systems and process instrumentation on industrial sites. Subcontractors in this scope typically hold specialised certifications and work across upstream, midstream, and construction projects. E&I scopes are commonly tendered separately from mechanical or civil work.
E&I (Electrical and Instrumentation)
Related Terms
Step-Out Drilling
IndustryDrilling wells at increasing distances from a proven discovery to test the boundaries of a reservoir. For subcontractors, it signals extended mobilisation cycles and potential new work corridors. Expect shifting logistics, camp requirements, and crew rotations as operators push further from existing infrastructure.
Dual-Fuel System
IndustryAn engine or generator that runs on two fuel sources, typically diesel and natural gas, allowing switching based on availability or cost. Common on remote job sites where field crews manage fuel supply logistics. Subcontractors may need certified technicians and specific maintenance protocols to operate this equipment.
Core Desorption
IndustryA lab process where gas is measured as it releases from rock core samples pulled during drilling. Subcontractors handling or transporting cores must follow strict protocols to preserve sample integrity. Mishandling can compromise data and trigger costly disputes with operators.
Asset Integrity
IndustryThe ongoing process of ensuring equipment and structures perform their intended function safely and efficiently. For subcontractors, it drives demand for inspection, maintenance, and repair scopes across the project lifecycle. Clients often mandate documented asset integrity programmes before awarding field service contracts.
Mid-Continent
IndustryA regional designation covering oil and gas producing areas across Oklahoma, Kansas, and parts of surrounding states. For subcontractors, it signals a distinct labour market, regulatory environment, and client base. Mobilisation costs and crew logistics differ significantly from other North American basins.
500-Kv Transmission Line
IndustryA high-voltage power line carrying 500 kilovolts, typically built to move bulk electricity across long distances. Subcontractors on these projects must hold specialised high-voltage certifications and follow strict safety exclusion zones. Work scopes often include tower erection, conductor stringing, and ground grid installation.
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