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01 Pre-acceptance API RP 4G

Rig Inspection & Certification

Independent third-party inspection and certification of onshore and offshore drilling rigs to international standards (API, IADC, DNV).

API RP 4G 3-5 days on-site Onshore & offshore
Risitinerig Rig Inspection & Certification service for onshore and offshore drilling rigs
Pre-acceptance audit, North Sea jack-up

Our experienced inspectors perform comprehensive rig audits covering structural integrity, well-control equipment, mud systems, derrick, substructure, and HSE compliance. We issue recognised certificates of fitness in line with API RP 4G, IADC, and operator-specific requirements.

  • Pre-acceptance and intermediate rig audits
  • Structural & mechanical integrity assessment
  • Documentation review & gap analysis
  • Certificate of fitness on successful close-out
  • Certificate of fitness on close-out
  • Photographic findings register
  • Documentation gap-analysis report
  • Verified close-out of every finding
API RP 4G IADC ISO 17020
  • Lifecycle phase01 ยท Pre-acceptance
  • Primary standardAPI RP 4G
  • Typical duration3-5 days on-site
  • CoverageOnshore & offshore
  • MobilisationWithin 48 hours

Book this service

Tell us the rig, the window and the scope, and we'll come back with a quote and an inspector name in 24 hours.

Book Now

+1 (720) 860-9743

contact@risitinerig.com

How this engagement runs

From call-out to verified close-out

  1. Scope & mobilise

    We agree the asset, standard and window, then put a named inspector on the job, on the helideck within 48 hours for unplanned work.

  2. Execute to the standard

    Work is carried out strictly to API RP 4G and operator-specific requirements, never softened to fit a schedule.

  3. Report with evidence

    Every finding is photographed, geo-tagged and severity-ranked in a digital register you keep.

  4. Close the loop

    We track every finding through to verified resolution, nothing is closed until it's actually fixed and re-checked.