Methods for installing or repairing underground pipelines and conduits without open-cut excavation. Common techniques include HDD (Horizontal Directional Drilling) and pipe bursting. Subcontractors specialising in these methods often command premium rates due to reduced surface disruption and specialised equipment requirements.
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Related Terms
Condensate Play
IndustryA development area targeting light liquid hydrocarbons that separate from natural gas at surface. These plays often require specialised separator handling and fluid management equipment. Subcontractors can expect steady demand for well servicing, trucking, and processing facility work.
Core Desorption
IndustryA lab process where gas is measured as it releases from rock core samples pulled during drilling. Subcontractors handling or transporting cores must follow strict protocols to preserve sample integrity. Mishandling can compromise data and trigger costly disputes with operators.
Run/repair/replace
IndustryA decision-making framework used to evaluate whether aging or damaged equipment should continue operating, be repaired, or be swapped out entirely. Subcontractors are often called in to assess assets and execute whichever option the client authorises. Understanding this process helps field crews scope work accurately and avoid scope creep on site.
Wellsite Services
IndustryOn-location support work performed at an active drill site, including safety watch, equipment operation, and logistics. Subcontractors are typically mobilised on short notice and paid on a day-rate basis. Scope can shift quickly, so clear change-order processes are essential.
Leasehold
IndustryLand or mineral rights an operator has legally secured through a lease agreement with the landowner or Crown. Subcontractors typically work within leasehold boundaries, so access, permitting, and site rules are set by the operator holding the lease. Understanding leasehold limits helps crews avoid trespassing on adjacent unlicensed areas.
Easement
IndustryA legal right allowing access to land owned by someone else for a specific purpose, such as running pipelines or power lines. Subcontractors must confirm easement boundaries before mobilising equipment or breaking ground. Working outside easement limits can trigger legal liability and project shutdowns.
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