PIPELINE NDT INSPECTION

Pipeline NDT & Weld Inspection Services

Cross-country transmission, gathering, and distribution pipelines live or die on the quality of the girth weld. Prime Inspections delivers certified non-destructive testing for new construction, tie-ins, and in-service integrity programs — keeping pace with the spread while producing documented, code-compliant results.

Our Level II and Level III technicians bring pipeline-grade radiography, phased array and automated ultrasonics, and digital imaging to the ditch — helping operators, EPCs, and pipe fabricators move fast without cutting a corner on weld quality.

24/7 Response NationwidePipeline Construction & Integrity

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NDT technician performing radiographic inspection on a pipeline girth weld in the field

What we inspect

Certified Level II and Level III technicians, methods matched to the weld, the material, and the governing code.

Girth Welds & Tie-Ins

RT, digital radiography, and AUT/PAUT on mainline girth welds, tie-ins, and station piping — the highest-consequence weld on any pipeline project.

New Construction & Spread Work

Field radiography and automated ultrasonic scanning that keep pace with pipe going into the ditch, delivering same-shift results the construction crew can act on.

In-Service Integrity

UT wall-thickness surveys, PAUT, and MT/PT on operating pipeline systems, valve assemblies, and station piping supporting integrity management programs.

Pump & Compressor Station Piping

RT, PAUT, and TOFD on station piping, manifolds, and pressure-containing components at pump and compressor stations.

Why pipeline operators and EPCs choose Prime

Keeps pace with the spread

Digital radiography and AUT cut turnaround per weld so inspection never becomes the bottleneck holding up the crew.

Audit-ready documentation

Every weld is reported against the governing code — API 1104 for construction, ASME B31.4/B31.8 for in-service — ready for the pipeline's quality file.

Certified crews

Level II and Level III technicians holding ASNT and AWS certifications, with deep field experience on cross-country pipeline projects.

Built for the field

24/7 emergency response and nationwide coverage across 11 locations — we mobilize on the spread's schedule, not ours.

Related inspection services

Prime covers the full method and industry range beyond pipeline construction.

API 1104 Weld Inspection

Field radiography and AUT for new-construction pipeline weld quality under API 1104.

Phased Array Ultrasonic Testing (PAUT)

Single-scan weld imaging and corrosion mapping with PAUT and AUT.

Radiographic Testing Services

Conventional RT, digital radiography (DR), computed radiography (CR), and real-time radiography (RTR).

Refinery & Petrochemical NDT

Turnaround and shutdown inspection for refinery and petrochemical process piping and vessels.

Data Center NDT Inspection

NDT for hyperscale, colocation, and AI data center mechanical and structural systems.

LNG Plant NDT Inspection

Cryogenic-rated inspection for LNG liquefaction, regasification, and export terminals.

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Frequently asked questions

What codes govern pipeline weld inspection?

New construction pipeline welds are typically inspected to API 1104; in-service pipeline integrity work follows ASME B31.4 (liquids) or B31.8 (gas) and applicable DOT/PHMSA regulations. We inspect and report to the code specified in your project spec.

Do you inspect girth welds on cross-country pipeline construction?

Yes — radiographic testing (RT/DR) and phased array UT on girth welds during mainline construction, tie-ins, and station piping, with same-shift results using digital imaging.

Can you mobilize for spread crews across multiple states?

Yes. Prime provides 24/7 nationwide coverage with crews mobilized to keep pace with pipeline spread schedules.

Put certified eyes on your welds

24/7 emergency response · Nationwide coverage, 11 locations · RT, DR, PAUT, AUT, TOFD, UT, MT, PT

Get a Quote Call (281) 944-3840