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Industry Glossary Term

Mmcf/d (million Cubic Feet Per Day)

A measurement of natural gas production or flow volume, used to describe the output capacity of a well, pipeline, or facility. Subcontractors use this figure to gauge job scale, equipment sizing, and crew requirements. Higher MMcf/d ratings typically signal larger scopes of work and longer contract durations.

Related Terms

Surface Milling

Industry

A machining process that removes material from a flat surface to restore or achieve precise tolerances on equipment components. Subcontractors are often mobilised to perform surface milling on wellheads, flanges, or structural steel on-site. Proper equipment certifications and dimensional records are typically required for handover documentation.

Cavern Infrastructure

Industry

Underground storage facilities, typically salt caverns, used to store hydrocarbons like natural gas or crude oil. Subcontractors may be engaged for cavern construction, well drilling, piping, and surface facility work. Projects often involve specialised equipment and compressed timelines tied to storage demand cycles.

Downstream

Industry

Refers to the refining, processing, and distribution segment of the oil and gas industry. For subcontractors, downstream work typically involves maintenance and turnarounds at refineries or petrochemical plants. These sites often have stricter safety protocols and certification requirements than upstream operations.

Trenchless

Industry

A method of installing or repairing underground pipelines and conduits without open excavation. Techniques include horizontal directional drilling (HDD) and pipe bursting. Subcontractors working trenchless scopes need specialised equipment and certified operators.

COR (Certificate of Recognition)

Industry

A voluntary safety certification program in Canada that recognizes employers who have developed health and safety management systems that meet established standards. Required by many operators in Alberta and Western Canada.

Tolerance Zone

Industry

The acceptable range of variation allowed in measurements, materials, or workmanship on a job site. Subcontractors must stay within these limits or face rework orders and cost penalties. Specs are set by the prime contractor or engineering drawings.

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