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Industry Glossary Term

CNG (Compressed Natural Gas)

Natural gas compressed and stored at high pressure, used to fuel fleet vehicles and equipment on remote job sites. Subcontractors may need CNG-certified technicians and compliant fuelling procedures when working on CNG infrastructure projects or operating CNG-powered equipment.

Related Terms

Appraisal Well

Industry

A well drilled after a discovery to confirm the size and viability of a reservoir. For subcontractors, appraisal programmes signal short-term scopes before a full development decision is made. Mobilisation windows are often tight and contracts may be limited to single-well terms.

Frac Flowback

Industry

The phase after hydraulic fracturing when water, sand, and hydrocarbons flow back to surface from the wellbore. Subcontractors are often mobilised quickly to manage fluid handling, testing, and disposal. Flowback work can be short-duration but requires crews and equipment on standby.

Master Developer

Industry

A company that holds the primary land or project rights and oversees all development activity on a large site. Subcontractors typically work several tiers below them, hired through general contractors or prime contractors. Understanding this structure helps you identify who controls scope changes and payment approvals.

Long-Lead Items

Industry

Equipment or materials requiring extended procurement timelines, often months ahead of project start. Subcontractors must identify these early to avoid costly schedule delays. Late orders can stall mobilisation and trigger liquidated damages clauses.

Debottleneck

Industry

To identify and remove constraints limiting throughput or efficiency on a project or facility. For subcontractors, this often means mobilising additional crews or equipment to clear backlogs. Work is typically urgent and can command premium rates.

Cm/gc (construction Manager/general Contractor)

Industry

A delivery model where one firm handles both project management and general contracting. For subcontractors, this means a single point of contact manages your scope, schedule, and contract. Expect tighter coordination requirements and change order oversight from the CM/GC.

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