A floating offshore structure anchored by a deep vertical cylinder, used in deepwater oil and gas production. Subcontractors access it by crew boat or helicopter for maintenance, inspection, and equipment services. Mobilisation costs and offshore scheduling are key considerations when bidding work on spars.
Spar Platform
Related Terms
NCS (Norwegian Continental Shelf)
IndustryThe offshore zone where Norway regulates oil and gas operations in the North Sea, Norwegian Sea, and Barents Sea. Subcontractors working here must meet strict Petroleum Safety Authority Norway (PSAN) standards and Norwegian labour regulations. Contracts often require Equinor or operator pre-qualification before mobilisation.
Midstream
IndustryThe segment of the oil and gas industry involved in processing, storing, and transporting oil, gas, and NGLs. Includes pipelines, gathering systems, and processing plants.
Appraisal Drilling
IndustryDrilling program that follows an initial discovery to confirm reservoir size and commercial viability. For subcontractors, it means short-term, high-intensity scopes between exploration and full development phases. Mobilisation windows can be tight and contract durations unpredictable.
Field Gathering Lines
IndustryPipelines that collect oil, gas, or water from individual wellheads and route it to a central processing facility. Subcontractors frequently work on installation, inspection, and maintenance of these lines. Knowing the layout is essential for safe excavation and tie-in work.
ISNetworld
IndustryA contractor management platform used by operators to verify that subcontractors meet safety, insurance, and compliance requirements before being allowed to work on sites. Maintaining ISNetworld compliance is essential for subcontractors working with major operators.
Perforate
IndustryTo create precisely spaced holes or openings in oil well casing and cement at a target formation depth, allowing hydrocarbons to flow into the wellbore; subcontractors providing perforating services typically work under wireline or coiled tubing crews and must coordinate closely with the operator's completion schedule.
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