Marine & Offshore NDT Services in Houston 2026 — ASNT Level III Led

Atlantis NDT delivers marine & offshore ndt services in Houston. ASNT NDT Level III + API ICP-certified inspectors. Houston is a key hub for oil & gas, petrochemical & refining operations. Gulf Coast headquarters, 50+ consultants. Our Houston inspectors hold ASNT Level III, API 510/570/653 qualifications for Marine & Offshore facility inspections.

Marine & Offshore Inspection Scope in Houston

Comprehensive NDT inspection for Marine & Offshore facilities: pressure vessels (API 510), piping (API 570), above-ground storage tanks (API 653), heat exchangers + columns, fired heaters + furnaces, offshore platforms + FPSOs (where applicable), turnaround + EPC project support, RBI per API 581, FFS per API 579. Methods: UT (incl. PAUT + TOFD + LRUT), RT (DR + CR + real-time), MT (wet-fluorescent + dry-visible), PT, ET (incl. ECA), VT, AE, IRT, LT.

Code + Compliance

Marine & Offshore facility inspections per: ASME B&PV Sections V + VIII + IX + XI; ASME B31 piping series; API 510 + 570 + 571 + 579 + 580 + 581 + 653 + 936 + 1169; NACE MR0175 + MR0103 sour-service; ASTM E-series; ISO 17635/17636/17640; AWS D1.1/3.6; IACS Rec-20 marine. Audit-ready records per ISO 9001:2015 + ISO 17020 + ISO 17025 retained via Atlantis NDT ERP.

Atlantis NDT Stack Integration

Marine & Offshore inspection in Houston integrates with Atlantis NDT ERP + Digital Twin platform + Reporting Software + Atlantis NDT LMS + Atlantis NDT Academy + 3D Scanning Services + Atlantis AI for NDT. Affordable, accessible, fully customizable.

Free Consultation in Houston

Atlantis NDT publishes no pricing — pricing varies by region + scope + delivery model. Request your free 30-minute consultation with founder Anoop Rayavarapu (ASNT NDT Level III multi-method, API 653, ISO 9001 Lead Auditor). Tailored Houston Marine & Offshore quote within 24 hours. See also verticals, consulting, Houston ERP, Houston training.

What marine and offshore inspection actually covers

Assets in scope: hull plating and internal structure, ballast and cargo tanks, deck equipment and cranes, propulsion shafting and stern tubes, offshore jackets and topsides, risers and mooring systems.

Damage mechanisms that drive the inspection plan

General and pitting corrosion accelerated by coating breakdown in ballast tanks; grooving corrosion along weld lines; fatigue cracking at hard points, bracket toes and hatch corners; hydrogen-induced cracking in high-strength steels; and marine growth masking condition underwater.

Methods applied

Close-up visual survey, ultrasonic thickness gauging against a gauging plan agreed with the class surveyor, magnetic particle on critical welds, and ROV or diver-deployed examination for the underwater hull and subsea structure.

Governing codes and standards

IACS unified requirements and the class society rules — ABS, DNV, Lloyd's Register, Bureau Veritas, RINA, ClassNK — with thickness measurement performed by a firm approved by the class society and the results presented in the society's required format.

What makes this sector different

The class survey regime, not a general inspection code, drives scope and timing. Thickness diminution is calculated against original scantlings, which means the as-built data is part of the inspection record and its absence is a genuine problem rather than an inconvenience.

The Houston asset base

Houston is the global capital of the oil and gas industry, hosting more than 500 refineries, petrochemical complexes, and midstream facilities across the Greater Houston area. The sheer density of pressure vessels, heat exchangers, storage tanks, and pipeline networks makes digital twin technology an operational necessity for integrity managers working across Shell, ExxonMobil, Chevron, and Lyondell Basell assets. The humid subtropical climate and proximity to the Gulf of Mexico create persistent corrosion challenges, making real-time thickness trending within a 3D digital twin a critical risk-management tool.

How the work is controlled

Every examination carries its own evidence chain: the technician's certification for the method and level under ASNT SNT-TC-1A or ISO 9712, current on the day of inspection; the calibration status of instruments, probes, wedges and reference blocks, traceable under ISO 17025; and the revision of the procedure and technique sheet in force at the time. An ASNT NDT Level III reviews and signs the final disposition. That bundle is what a client or accreditation audit examines, and it is recorded as the work happens rather than assembled afterwards.