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IndustryGlossary Term

Stimulation

Well stimulation refers to treatments like hydraulic fracturing or acid jobs that improve reservoir flow. Subcontractors often mobilise for short, intensive campaigns requiring specialised crews and equipment. Scope changes and standby time are common, so clear contract terms matter.

Related Terms

Fast-Track Review

Industry

An expedited approval process for subcontractor submissions such as invoices, change orders, or safety documents. Operators use it when project timelines are compressed or scope changes require urgent sign-off. Subcontractors should flag submissions clearly to qualify for faster processing.

Sand Management

Industry

The process of controlling, monitoring, and removing sand produced alongside oil and gas to protect wellbore equipment and surface facilities. Subcontractors may be hired to install sand screens, separators, or erosion monitoring systems. Poor sand management accelerates equipment wear and increases maintenance callouts.

Carbon Dioxide Treater

Industry

A vessel or system used on oil and gas sites to remove CO2 (Carbon Dioxide) from produced gas or water streams. Subcontractors are often hired to install, service, and inspect these units. Proper handling requires H2S and pressure safety training.

Instrument Air Systems

Industry

Compressed air networks that power pneumatic valves, controls, and instrumentation on oil and gas and industrial sites. Subcontractors must ensure supplied air meets strict dryness and purity standards before connecting equipment. Contaminated or wet instrument air can damage sensitive controls and trigger costly shutdowns.

Well Spacing

Industry

The regulated distance between wellbores on a pad or lease area. Tighter spacing means more wells drilled closer together, increasing crew density and equipment demand. Subcontractors should anticipate compressed timelines and overlapping scopes when spacing is tight.

Carbonate Formation

Industry

A type of subsurface rock layer—primarily limestone or dolomite—that subcontractors may encounter during drilling, completions, or civil excavation work, often requiring specialised equipment, bit selections, or modified drilling programmes due to its hardness and tendency to cause lost circulation events.

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