FAQs on OGUK Medicals: What Oil & Gas Workers in Nigeria Should Know

Thinking of working in the offshore oil and gas industry? You’ll likely need an OGUK medical certificate.

These health checks are a standard part of getting cleared to work in tough, remote environments—especially offshore. Whether you’re applying for a new role or renewing your certification, understanding how OGUK medicals work can save you time, stress, and money.

Here’s everything you need to know.

What Exactly Is an OGUK Medical?

The OGUK medical (previously called UKOOA) is a job-specific medical assessment for people working in oil and gas—particularly offshore roles.

It’s not just a basic check-up. The goal is to confirm that you’re fit enough—physically and mentally—to work safely in isolated, high-pressure environments where emergency medical support might be hours away.

Why Do Employers Require It?

Working offshore isn’t your typical 9-5 job. It’s remote, demanding, and comes with risks. Employers need to ensure that everyone on site is medically capable of:

Handling the physical demands of the job
Reacting well in emergency situations
Not becoming a liability to the team

That’s why a valid OGUK certificate is often non-negotiable.

What’s Included in the OGUK Medical?

An OGUK medical is thorough but straightforward. It usually includes:

Medical history review
Physical examination
Hearing and vision tests
Lung function (spirometry) test
Urine analysis
Blood pressure checks
Drug and alcohol screening (if required by employer)

Your doctor will ask questions about medications, past surgeries, or long-term conditions. Be honest—this isn’t a test you “pass” by hiding health issues. It’s about safety—for you and your team.

How Should You Prepare?

Preparation is simple but important. Bring:

A valid ID
Any previous medical certificates (if renewing)
A list of medications you’re on
Glasses or hearing aids (if you use them)
Info on any chronic health conditions

Try to avoid alcohol and caffeine 24 hours before your appointment. And get a good night’s sleep—your blood pressure will thank you.

What If You Don’t Pass?

Don’t panic. Failing an OGUK exam doesn’t mean you’re unfit forever.

Sometimes, minor issues—like high blood pressure or untreated conditions—need to be addressed before you can be cleared. You might:

Adjust medication
Go for follow-up tests
Improve your fitness or lifestyle

Once everything is in order, you can take the exam again. Many people pass on their second try.

Where Can You Take the OGUK Medical in Nigeria?

You can only take the exam at a certified OGUK medical facility. At Citron Health, we’re approved to offer these exams right here in Nigeria.

Our team is trained, experienced, and ready to help you get certified without delays or confusion.

How Long Is It Valid?

A standard OGUK medical certificate is valid for 2 years. However, some employers may request annual re-evaluation based on job demands or internal policy.