The process of running a device called a pig through a pipeline to clean, inspect, or displace fluids. Subcontractors are often hired to provide pig launcher and receiver equipment, operators, and associated support services. Pigging scopes can range from routine maintenance runs to complex inline inspection campaigns.
Pigging
Related Terms
Basemat
IndustryThe reinforced concrete foundation slab supporting a structure's entire load. Subcontractors doing civil or concrete work often mobilise early to complete basemat pours before other trades arrive. Scheduling and cure time directly affect downstream scopes.
Scoping Period
IndustryA defined window where the prime contractor or operator outlines project requirements before awarding contracts. Subcontractors use this time to assess fit, prepare bids, and flag resource or equipment needs. Missing this window often means missing the contract opportunity entirely.
Refractory Lining
IndustryHeat-resistant material installed inside furnaces, boilers, and process vessels to protect steel from extreme temperatures. Subcontractors are often hired for installation, inspection, and repair during turnarounds. Proper curing and dryout procedures are critical to avoid costly failures.
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.
Natural Decline Rate
IndustryThe rate at which a well's production drops over time without operator intervention. For subcontractors, this signals reduced worksite activity and fewer service calls as output falls. Anticipating decline helps crews and companies plan for shifting demand across a field.
Crude Oil Stock Build
IndustryA rise in stored crude oil inventories, signalling weak demand or oversupply. This often triggers operators to slow production, which can delay or reduce field service work orders. Subcontractors should monitor stock build trends as an early indicator of project slowdowns.
Latest Industry News
Jacobs-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.
11 hours agoIndustryAEP Lifts Capital Plan 30% to $100B as Data Center Load Hits 84 GW
AEP raised its five-year capital plan to $100 billion, with $37 billion for transmission and $20 billion for gas generation. A 10.4-GW Ohio data center campus drives the load growth, and three 765-kV lines are slated for 2028 through 2030.
yesterdayIndustryTranche-Scale Transmission Planning: Early Contractor Input Wins
A T&D World webinar summary says utilities should bring contractors in when engineering is 10% to 30% complete and treat site access as engineering. Here is what that means for crews and yard commitments.
yesterdayIndustryConditional $5B DOE Loan Targets Eight Constellation Nuclear Plants
DOE has conditionally committed up to $5 billion to finance about 1.1 GW of uprates at eight Constellation plants in Illinois, Maryland and Pennsylvania. The loan is not closed, but the scope points to turbine, electrical and controls work.
2 days agoRelated Guides
How Operator Mergers and Acquisitions Affect Your Subcontract Agreements
When operators merge, get acquired, or sell assets, subcontractor agreements are caught in the middle. Learn how M&A activity affects your MSA, payment terms, vendor status, and what to do before, during, and after a deal closes.
Industry GuideHow Rig Count Trends Affect Subcontractor Demand and What to Do About It
Rig counts are the earliest signal of where field service work is heading. Learn how to read drilling activity trends, anticipate demand shifts, and position your crew before the phone stops ringing.
Industry GuideWhat Is an AFE in Oil and Gas and How Does It Affect Subcontractor Payments?
An AFE (Authorization for Expenditure) controls every dollar spent on an oilfield project. Learn how it affects your billing, change orders, and cash flow as a subcontractor.
Stay sharp on field operations
Industry news and insights, delivered to your inbox.
Subscribe to FieldNews
