Npv10 (net Present Value At 10% Discount Rate)

A well drilled in an unproven or lightly tested area to determine whether hydrocarbons are present, often representing shorter-term, high-mobilisation contracts for subcontractors with less predictable follow-on work than development drilling programmes.

Refers to power generation or energy systems located on a client's side of the utility connection point. For subcontractors, this often means working on site-owned generators, solar arrays, or battery storage on industrial or remote worksites. Scopes here fall outside utility jurisdiction, affecting permitting and inspection requirements.

A central staging location where crews, equipment, and materials are coordinated before deployment to remote job sites. For subcontractors, the hub determines mobilisation routes, laydown areas, and logistical costs. It often serves as the main point of contact between the prime contractor and field crews.

A pavement removal process where a rotating drum grinds away asphalt or concrete surfaces without heat. Subcontractors use it for road rehabilitation, site prep, and surface levelling on construction and industrial projects. Milled material is typically recycled or hauled off-site by the crew.

A tall structural tower used to support overhead power lines, pipelines, or signage on job sites. Subcontractors may work near pylons during civil, electrical, or pipeline installation scopes. Always verify exclusion zones before mobilising equipment.

A centralised surface facility where oil and gas from multiple wells is gathered, measured, and processed. Subcontractors frequently mobilise to battery sites for maintenance, instrumentation, and civil work. Knowing the battery layout helps crews plan access, logistics, and safe work zones.

What Is an AFE in Oil and Gas and How Does It Affect Subcontractor Payments?

An AFE (Authorization for Expenditure) controls every dollar spent on an oilfield project. Learn how it affects your billing, change orders, and cash flow as a subcontractor.