The initial release of fluids, sand, and gases from a wellbore after hydraulic fracturing, which requires specialised crews and equipment on-site to manage, separate, and dispose of the returned materials safely. For field service subcontractors, flowback operations represent a distinct scope of work with dedicated mobilisation requirements and often involve tight scheduling windows tied to the operator's completion timeline.
Flowback
Related Terms
Condensate
IndustryA light liquid hydrocarbon that separates from natural gas during production and processing. Subcontractors handling condensate must follow strict hazmat protocols, as it is highly volatile and flammable. It is often measured and valued separately from crude oil on production sites.
Right-Of-Way Contractor
IndustryA subcontractor hired to clear, prepare, and restore land corridors for pipelines, powerlines, or roads. Work typically includes timber clearing, grading, and post-construction reclamation. ROW (Right-of-Way) scopes are often short-duration but require specialised equipment and landowner coordination.
Rigging
IndustryThe equipment and techniques used to lift, secure, and move heavy loads on a job site. Subcontractors must ensure all rigging gear is certified and operators are ticketed. Improper rigging is a leading cause of serious incidents and contract liability.
Instrumentation
IndustryThe installation, calibration, and maintenance of measurement and control devices such as gauges, transmitters, and sensors. Subcontractors are often scoped specifically for instrumentation work, requiring certified trades and precise documentation. It is a common standalone discipline on large oil and gas and industrial construction projects.
Megafab
IndustryA large-scale modular fabrication project where major facility components are built offsite and shipped for final assembly. For subcontractors, megafabs mean long-duration scopes, high crew volumes, and complex multi-trade coordination. Scheduling and mobilisation demands are typically intense.
Early-Works
IndustryPreliminary site preparation activities awarded before a project's main contract is finalised. For subcontractors, this means mobilising early—often under a letter of intent—to handle clearing, grading, or utility work. Scope and payment terms can be limited, so review your agreement carefully before committing resources.
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When operators merge, get acquired, or sell assets, subcontractor agreements are caught in the middle. Learn how M&A activity affects your MSA, payment terms, vendor status, and what to do before, during, and after a deal closes.
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