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IndustryGlossary Term

Pre-Salt

Refers to oil reservoirs located beneath thick layers of underground salt, typically in deepwater offshore basins. For subcontractors, pre-salt projects involve specialised equipment, extended mobilisation timelines, and higher operational complexity. Expect longer contract cycles and stricter certification requirements from operators.

Related Terms

HRSG (Heat Recovery Steam Generator)

Industry

A large boiler unit that captures exhaust heat from gas turbines to produce steam for power generation. Subcontractors are commonly engaged for HRSG installation, maintenance, and inspection scopes. Work typically requires certified welders, boilermakers, and compliance with pressure vessel regulations.

Dewatered Sand

Industry

Sand or granular material that has had excess water removed, typically through drainage or mechanical separation on site. Subcontractors handling dewatered sand face stricter disposal and hauling requirements than wet slurry. Confirm moisture content specs before mobilising equipment or quoting removal work.

Two-Mile Lateral

Industry

A horizontal wellbore section extending approximately two miles (about 3,200 metres) from the vertical portion of the well. For subcontractors, longer laterals mean extended job durations, higher material volumes, and more crew hours on site. Pricing and logistics planning must account for the increased scope compared to standard one-mile laterals.

Hydraulic Fracturing

Industry

A well stimulation process where fluid is pumped at high pressure to crack subsurface rock and release oil or gas. Subcontractors are commonly engaged for pump operations, fluid handling, and equipment transport during frac campaigns. Work is often fast-paced and shift-intensive, with strict site access and safety requirements.

Metallographic Replication

Industry

A non-destructive field technique used to examine the microstructure of in-service metal components without removing them. Technicians apply a softened acetate film to a polished surface, then analyse the hardened impression under a microscope. Subcontractors use it to assess weld integrity, creep damage, or material degradation on piping and pressure vessels.

SPP (Southwest Power Pool)

Industry

A regional transmission organisation managing the electrical grid across 14 U.S. states. Subcontractors working on power infrastructure, grid upgrades, or energy facilities in this region must align with SPP reliability standards. Understanding SPP's operating rules helps field crews coordinate outages and energisation schedules.

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