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IndustryGlossary Term

Rig-Released

Status indicating a drilling rig has been formally stood down and all associated services are no longer required. For subcontractors, it triggers demobilisation, final invoice submission, and crew release. Contracts often specify notice periods and standby rates tied to this status.

Related Terms

FID (Final Investment Decision)

Industry

The point when a project owner formally approves funding and commits to proceeding with a major project. For subcontractors, FID is the trigger that converts preliminary work into confirmed scopes and purchase orders. Mobilisation planning, crew hiring, and equipment sourcing typically begin after FID is announced.

Mission Critical

Industry

Describes any task, system, or equipment whose failure would halt operations or create serious safety risks. For subcontractors, mission critical work often carries stricter response times, higher liability, and tighter documentation requirements.

Well Lifecycle

Industry

The full sequence of a well's existence, from drilling and completion through production and eventual abandonment. For subcontractors, each phase represents distinct scopes of work, crew requirements, and contract opportunities. Understanding the lifecycle helps you anticipate project transitions and position for follow-on work.

Derivative Goods

Industry

Products created by processing or transforming raw materials supplied under a contract, such as fabricated components or treated fluids. Subcontractors must clarify ownership rights over derivative goods before work begins. Contracts often assign these rights to the prime contractor or client by default.

Horizontal Well

Industry

A well that is drilled vertically to a certain depth then curved to run horizontally through a target formation, requiring subcontractors to mobilise specialised equipment and crews for extended-reach drilling, completions, and stimulation work that typically involves more complex logistics and longer on-site durations than conventional vertical wells.

Construction Manager At Risk

Industry

A delivery model where a construction manager guarantees a maximum project cost and takes on financial risk if it's exceeded. Subcontractors are hired by the CM, not the owner, making the CM your direct client and contract holder. Your scope, payments, and change orders all flow through the CM.

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