The date when equipment or a facility is officially commissioned and begins active operation. For subcontractors, this date often triggers billing milestones, warranty periods, or contract close-out requirements. Missing this date can result in penalties or delayed final payment.
IndustryGlossary Term
In-Service Date
Related Terms
Net Hydrocarbon Pay
IndustryThe thickness of a reservoir zone that actually contains producible oil or gas. Operators use this measurement to justify well completions and production decisions. Higher net pay typically drives more field service activity, from perforating to stimulation work.
Microreactor
IndustryA compact, factory-built nuclear reactor designed to power remote industrial sites and off-grid operations. For subcontractors, these units may replace diesel gen-sets at isolated worksites. Expect new safety certification and compliance requirements when working near these systems.
Petrophysical Analysis
IndustryThe evaluation of reservoir rock and fluid properties using well log data and core samples. Results determine whether a well is worth completing, directly affecting drilling programme scope and subcontractor workload. Field crews support this work through wireline logging, coring, and fluid sampling operations.
Construction Management System
IndustrySoftware platform used to coordinate schedules, documents, and workflows on construction projects. Subcontractors use it to submit RFIs, track approvals, and log daily field activity. Access is typically granted by the general contractor or owner.
Trenchless
IndustryA 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.
Mmcf/d (million Cubic Feet Per Day)
IndustryA 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.
Latest Industry News
Industry
Williams Targets End-of-2027 In-Service Date for $1.2B Southeast Supply Enhancement Project
Williams is targeting an end-of-2027 in-service date for its $1.2 billion Transco Southeast Supply Enhancement project, adding 1.6 million dekatherms per day of gas transport capacity across Virginia, the Carolinas, Georgia, and Alabama.
3 months agoIndustryHydro One Files for Approval on $430M Ontario Transmission Line Targeting 2029 In-Service Date
Hydro One has applied to the Ontario Energy Board to build a 55-kilometre, 230-kilovolt transmission line between Clarington and Peterborough County, representing a $430 million construction opportunity for utility subcontractors.
3 months agoIndustryOracle's Force Majeure Notice Exposes Permitting Risk on $Multibillion NM Data Center
Oracle issued a force majeure notice on its New Mexico Project Jupiter data center campus as a 2,462-MW fuel-cell microgrid awaits a state permit and a supporting gas pipeline's in-service date slips to February 2027, ENR reports.
9 days agoIndustryATC's Central Wisconsin 345-kV Rebuild Enters Active Construction
American Transmission Co. has installed the first structure on its Grid Forward Central Wisconsin project, a MISO-approved 345-kV rebuild now 5% complete and on track for a December 2030 in-service date.
1 month agoRelated Guides
Industry Guide
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.
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