The section of casing or liner that has been shot through with charges to allow hydrocarbons to flow into the wellbore. Subcontractors working completions or workovers need to know the perforated interval to plan fluid placement and tool runs accurately.
Perforated Interval
Related Terms
Cold-Milled Asphalt
IndustryReclaimed pavement material produced by grinding existing asphalt surfaces without heat. Subcontractors encounter it during road restoration work on well pads, pipeline rights-of-way, and industrial sites. It is commonly reused as base material, reducing disposal costs and material haul-off requirements.
Work Order
IndustryA formal document issued by a client or general contractor authorising a subcontractor to perform a specific scope of work. It outlines the job details, location, timeline, and agreed rate. Subcontractors typically cannot invoice without a valid work order number.
Parcel
IndustryA defined section of land or a lease area assigned to a specific project or operator. Subcontractors may be scoped and mobilised by parcel, affecting billing boundaries and crew deployment zones.
MCF (Thousand Cubic Feet)
IndustryStandard unit for measuring natural gas volumes, equal to 1,000 cubic feet. Subcontractors use MCF to interpret production targets, scope work, and align service pricing on gas well projects. Billing rates and throughput bonuses are often tied directly to MCF volumes.
Shale Gas
IndustryNatural gas extracted from shale rock formations using hydraulic fracturing and horizontal drilling. For subcontractors, shale gas projects drive high demand for frac crews, equipment operators, and site services. Work is often concentrated in multi-well pad campaigns, creating steady but intense mobilisation cycles.
Preconstruction
IndustryThe planning phase before field work begins, covering scope review, site assessments, and schedule alignment with the GC. Subcontractors are often engaged during this phase to provide pricing, labour forecasts, and constructability input. Early involvement can improve mobilisation timelines and reduce costly scope changes later.
Latest Industry News
Manufacturers Plan Nearly $2B in US Facility Investments This Fall
US Steel, USA Rare Earth, Array Technologies and four other manufacturers are pouring nearly $2 billion into new and expanded US facilities, creating fresh construction and skilled trade work across six states.
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Venture Global signed a 20-year LNG supply deal with China Gas as its Plaquemines and CP2 projects clear regulatory and equipment milestones, signaling sustained Gulf Coast construction demand.
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Wood secured a five-year, $200 million construction services contract from ExxonMobil PNG covering brownfield work across the PNG LNG project's gas plants, pipelines, and well pads.
11 hours agoIndustryBaker Hughes Lands Compression, Liquefaction Orders for Venture Global's Gulf Coast Buildout
Baker Hughes secured orders to supply gas compression for the Cloud Connector Pipeline and modular liquefaction equipment for Plaquemines LNG, expanding Venture Global's Louisiana infrastructure footprint.
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Industry GuideHow Rig Count Trends Affect Subcontractor Demand and What to Do About It
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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.
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