A formal document issued by an operator or prime contractor soliciting fixed-price bids for a defined scope of work. Subcontractors must submit pricing by a set deadline, with contracts typically awarded to the lowest qualified bidder. Review the technical specs and site conditions carefully before submitting your number.
IFB (Invitation for Bids)
Related Terms
Well Pair
IndustryTwo parallel horizontal wells — one injector, one producer — used together in SAGD (Steam Assisted Gravity Drainage) operations. Subcontractors are typically mobilised to service both wells as a single scope. Expect coordinated drilling, completions, and maintenance schedules across both wellbores.
High-Temperature Creep
IndustryThe slow, permanent deformation of metal components under sustained stress at elevated temperatures. Subcontractors must watch for creep in pressure vessels, piping, and structural welds during high-heat operations. Missed signs can lead to equipment failure, costly shutdowns, and liability exposure.
Commissioning
IndustryThe phase where completed systems and equipment are tested, verified, and handed over to the client as fully operational. For subcontractors, it often means intensive punch-list work, inspections, and sign-offs before demobilisation. Scope creep is common during this phase, so track all additional hours carefully.
JV (Joint Venture)
IndustryA formal business arrangement where two or more companies partner to pursue a specific project or contract, which can affect subcontractors by changing who issues purchase orders, approves invoices, or holds liability on site. Field service companies should confirm early which JV partner is the contracting entity to avoid payment delays or scope disputes.
Topside Fabrication
IndustryThe construction and assembly of the above-water structures on offshore platforms, including decks, modules, and processing equipment, where subcontractors are typically engaged for specialised trades such as structural welding, pipefitting, electrical, and instrumentation work. For field service companies, topside scopes often involve strict offshore safety certifications, remote logistics, and milestone-based billing tied to fabrication progress.
Fractionation
IndustryThe process of separating raw natural gas into sellable components like propane, butane, and ethane at a processing facility. Subcontractors often support fractionation plants through instrumentation, maintenance, and turnaround work. Understanding the process helps crews align their scope with plant operating priorities.
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.
11 hours agoIndustryWood Lands $200M ExxonMobil Contract for PNG LNG Brownfield Work
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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