Rig Certifications Explained
What each certification actually covers, how long it takes, and which roles require it. Certifications are the fastest way to accelerate your career progression.
The certifications that matter
BOSIET / FOET
Basic Offshore Safety Induction & Emergency Training. Mandatory for anyone going offshore. Covers helicopter underwater escape (HUET), sea survival, firefighting, and first aid. Valid for 4 years; FOET (Further Offshore Emergency Training) is the renewal course.
Required — All Offshore RolesIWCF Well Control
International Well Control Forum certification. Level 2 for rig floor crews, Level 3 for drillers, Level 4 for supervisors/OIM. Covers kick recognition, shut-in procedures, and well kill methods. Renewed every 2 years via exam.
Required — Driller & AboveIADC WellSharp
The other globally recognized well control certification body, functionally equivalent to IWCF. Most operators accept either. Same tiered structure from drill floor through supervisor level.
Alternative to IWCFH₂S Safety
Hydrogen sulfide (sour gas) awareness and escape training. Required on any well that may encounter H₂S. Covers detector use, SCBA donning, and emergency response. Typically a 1-day course.
Required — Sour Gas WellsNEBOSH IGC
National Examination Board in Occupational Safety and Health. Globally recognized safety management qualification. The standard credential for HSE/safety officer roles internationally.
HSE RolesOSHA 30
30-hour general industry or construction safety course. The North American standard for safety-focused roles, often paired with or as an alternative to NEBOSH depending on region.
HSE Roles — North AmericaOPITO IMIST
International Minimum Industry Safety Training. A baseline safety awareness qualification required by most major operators for all rig personnel, regardless of role.
Required — Most OperatorsOffshore Medical
A medical fitness examination specific to offshore work — more rigorous than a standard physical. Required before any offshore deployment and renewed periodically (typically every 2 years).
Required — All Offshore RolesWhat You Need, By Position
| Role | Required Certifications |
|---|---|
| Roustabout | BOSIET (offshore only), basic safety orientation |
| Roughneck | BOSIET (offshore), H₂S awareness recommended |
| Derrickhand | BOSIET, IWCF Level 2 (or working toward it) |
| Assistant Driller | BOSIET, IWCF Level 2, offshore medical |
| Driller | BOSIET, IWCF Level 3 (Driller), offshore medical |
| Toolpusher | BOSIET, IWCF Level 4 (Supervisor), offshore medical |
| HSE Officer | NEBOSH IGC or OSHA 30, BOSIET if offshore |
| Rig Welder | AWS CW, API 1104 and/or AWS D1.1, BOSIET if offshore |
| Underwater Welder | AWS D3.6M, ADCI commercial diving certification |
Which Ones to Get First
The common mistake is paying for advanced tickets too early. Certifications expire, so one bought years before it is needed usually has to be bought again. The order that wastes least money:
The minimum to be employable
For offshore, that is normally BOSIET plus a medical. Onshore entry roles often need very little beyond a driving licence and the right to work. Buy nothing else yet — you do not know which contractor, basin or discipline you are going into, and that determines everything after this.
Whatever the employer pays for
H₂S awareness, rigging and slinging, confined space, first aid — most contractors fund these once you are on the books because they need you compliant. Take every one offered, and keep your own copies of the certificates rather than relying on their records.
Well control
IWCF or IADC WellSharp at the level your target role requires. This is the one worth paying for yourself if an employer will not, because it is the gate on the driller's chair. See how to become a driller for where it fits in the progression.
Renewal Is the Real Cost
Almost every certification here has an expiry. Survival training typically refreshes on a multi-year cycle, well control certification runs on a fixed validity period, and medicals are annual or biennial depending on jurisdiction and age. Letting a ticket lapse between contracts is a common and avoidable way to become temporarily unemployable.
Keep a single list of every certificate with its expiry date, and diarise the renewals about two months ahead — course availability, not the exam, is usually what makes people late. Costs and validity periods vary by country, provider and employer, so confirm current requirements with the accrediting body rather than treating any summary, including this one, as authoritative.