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IndustryGlossary Term

SWD (Saltwater Disposal)

The process of injecting produced water from oil and gas operations into approved underground formations. Subcontractors may operate or service SWD facilities, including pump maintenance, wellbore work, and fluid hauling. Understanding SWD volumes and schedules helps crews plan trucking, pit management, and injection equipment needs.

Related Terms

Sole-Source Contract

Industry

A contract awarded directly to one subcontractor without a competitive bidding process. Operators use this when your firm has specialised expertise, proprietary equipment, or an urgent mobilisation is required. It can mean faster contract execution but often comes with tighter scope and pricing scrutiny.

Distributed Generation

Industry

Power produced on-site using generators, solar, or other local sources rather than drawn from a central grid. Subcontractors in remote sites often rely on distributed generation to run equipment and crew facilities. Understanding site power setup affects how you plan equipment loads and fuel logistics.

Diverging Diamond Interchange

Industry

A road interchange design where traffic briefly crosses to the opposite side of the road between two intersections. Subcontractors hauling heavy equipment or oversized loads must account for altered lane patterns and potential permit route restrictions. Plan site access carefully, as DDI layouts can complicate convoy movements and GPS routing.

Frac Date

Industry

The scheduled date when hydraulic fracturing operations begin at a well site. For subcontractors, it drives crew mobilisation, equipment delivery, and invoice timing. Missing a frac date can result in penalties or loss of future work.

Thermal In-Situ

Industry

A method of extracting heavy oil or bitumen by injecting steam underground to heat and mobilise the resource. Common techniques include SAGD (Steam Assisted Gravity Drainage) and CSS (Cyclic Steam Stimulation). Subcontractors support these operations through facility construction, pipefitting, instrumentation, and ongoing maintenance work.

Fractionation

Industry

The 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.

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