The process of permanently sealing a wellbore with cement or mechanical barriers to prevent fluid migration. Subcontractors are often engaged for specialised plugging and abandonment (P&A) scopes. Demand for this work is steady as regulators push operators to remediate inactive wells.
Well Plugging
Related Terms
Multi-Trade Pipeline
IndustryA project requiring multiple specialised trades — such as welders, pipefitters, and electricians — deployed in sequence or simultaneously. Subcontractors must coordinate closely to avoid schedule conflicts and delays. Winning work on these projects often requires demonstrating multi-discipline capacity to the prime contractor.
BHA (Bottom Hole Assembly)
IndustryThe collection of drilling tools and equipment at the bottom of the drill string, including the drill bit, drill collars, stabilizers, and downhole motors. For drilling subcontractors, BHA configuration directly impacts drilling performance, tool wear rates, and operational efficiency.
Equipment Uptime
IndustryThe percentage of scheduled time that equipment is operational and available for use on a job site. For subcontractors, high uptime directly affects billing hours, client satisfaction, and contract renewals. Downtime caused by mechanical failure or poor maintenance often falls on the subcontractor to remedy at their own cost.
Cavern Storage
IndustryUnderground storage facilities carved out of salt formations or rock, used to hold large volumes of natural gas, crude oil, or other hydrocarbons. Subcontractors handle construction, maintenance, inspection, and integrity testing at these sites, often needing confined-space and geotechnical certifications. Injection and withdrawal seasons create predictable maintenance windows, helping field service companies plan mobilisation.
Hydraulic Fracturing
IndustryA well stimulation process where fluid is pumped at high pressure to crack subsurface rock and release oil or gas. Subcontractors are commonly engaged for pump operations, fluid handling, and equipment transport during frac campaigns. Work is often fast-paced and shift-intensive, with strict site access and safety requirements.
ERCIP (Energy Resilience and Conservation Investment Program)
IndustryA U.S. Department of Defense funding programme for energy resilience projects on military installations. Subcontractors often access this work through prime contractors on federally funded construction or energy retrofit scopes. Understanding ERCIP helps field service firms identify bid opportunities in government energy infrastructure.
Latest Industry News
Tradewater Buys Carbon Shield to Scale Orphaned Well Plugging in Rockies
Tradewater has acquired Colorado-based Carbon Shield to expand orphaned well plugging and methane mitigation work across Colorado and Wyoming, World Oil reports.
3 months agoRevenueTexas Opens $134.1M Marginal Well Plugging Program, Applications Due Nov. 9
TCEQ is taking applications through Nov. 9 for a $134.1 million federal program to plug marginal conventional wells. Three public meetings in October explain the rules.
22 days agoIndustryNew Mexico Adopts $150K Bonding Rule for High-Risk Wells
New Mexico's Oil Conservation Commission approved new bonding requirements for high-risk and inactive wells, aiming to shift orphaned well plugging costs onto operators.
3 months agoIndustryJacobs-PCL Wins $1B SF Plant Upgrade Built Around Live Operations
SFPUC picked a Jacobs-PCL joint venture for a $1 billion progressive design-build nutrient reduction project at its largest treatment plant. The plant must keep running during construction, which shapes how subs should pursue early involvement.
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Industry GuideHow Rig Count Trends Affect Subcontractor Demand and What to Do About It
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