A water-soluble polymer additive used in drilling fluids to control fluid loss and stabilise boreholes. Subcontractors handling mud systems must store and mix PAC carefully, as improper use affects drilling performance. It is commonly specified in drilling programmes, so field crews should follow the mud engineer's exact dosage instructions.
PAC (Polyanionic Cellulose)
Related Terms
Wet Screening
IndustryA separation process that uses water to sort and classify aggregates, drilling cuttings, or granular materials by size. Subcontractors operate wet screening equipment on site to remove fines and contaminants from bulk materials. It is common in civil construction, pipeline work, and drilling waste management scopes.
Processing Capacity
IndustryThe maximum volume of oil, gas, or fluids a facility can handle within a given timeframe. For subcontractors, it determines the pace and scale of your scope of work on site. Exceeding this limit causes bottlenecks that can delay schedules and trigger penalties.
2p Reserves
Industry2P (Proved Plus Probable) Reserves represent the total oil or gas a client is reasonably confident exists and can extract. Operators use 2P figures to justify long-term capital spending and multi-year field development plans. Higher 2P reserves often signal sustained work programmes and stronger subcontractor demand.
500-Kv Transmission Line
IndustryA high-voltage power line carrying 500 kilovolts, typically built to move bulk electricity across long distances. Subcontractors on these projects must hold specialised high-voltage certifications and follow strict safety exclusion zones. Work scopes often include tower erection, conductor stringing, and ground grid installation.
Onshore Acreage
IndustryLand-based areas leased or licensed by operators for exploration and production activities. For subcontractors, it defines where field work is scoped, mobilised, and contracted. Acreage size and location directly affect crew logistics, travel costs, and service demand.
Trenching Bucket
IndustryA narrow, deep excavator attachment used to dig trenches for pipelines, conduit, or utilities. Subcontractors specify bucket width based on pipe diameter and burial depth requirements. Having the correct size on-site avoids costly equipment swaps and project delays.
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