INDUSTRY / OIL & GAS

UPSTREAM, MIDSTREAM & DOWNSTREAM INSPECTION

Independent quality surveillance, FAT witnessing, and vendor expediting for critical oilfield, pipeline and refinery equipment worldwide.

Industry Overview

Oil & Gas projects operate under strict safety, pressure, and sour-service requirements where equipment failure at site is not an option. QTEK provides on-site quality assurance across global manufacturing hubs, verifying that static, rotating, and tubular equipment fully complies with project ITPs and international petroleum standards before release.

Equipment Covered

Oil & Gas equipment & commodities

  • Static & Pressure Equipment

    Pressure vessels, separators, scrubbers, flare systems, storage tanks, heat exchangers.

  • Valves & Piping Components

    Ball, gate, globe, check & butterfly valves, actuators, line pipes, OCTG, fittings, flanges, piping spools.

  • Rotating Machinery

    API centrifugal & reciprocating pumps, gas compressors, turbines, diesel generators, mechanical seals.

  • Electrical & Instrumentation

    Explosion-proof (ATEX/IECEx) enclosures, control panels, DCS/ESD cabinets, cables, skid instrumentation.

Typical Inspection Scope

What we verify in oil & gas

  • PIM (Pre-Inspection Meeting) attendance & ITP/WPS/PQR review
  • Raw material traceability, PMI (Positive Material Identification) & mill certificate verification
  • In-process welding surveillance, NDT witnessing (UT, RT, MT, PT) & NACE sour-service compliance
  • Hydrostatic, pneumatic, and gas leak testing witness
  • Coating, lining, painting (DFT/Holiday test) and final release dossier review
Applicable Codes & Standards

API (6A, 6D, 5L, 610, 650) · ASME Sec VIII & B31.3 · NACE MR0175 / ISO 15156 · ASTM · ATEX / IECEx · ISO 9001

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QTEK — Independent Inspection & Quality Services · Dubai, UAE — Global Coverage