Working on an oil rig is rarely considered a career. However, the prospects of workers who managed to get oil rig jobs are very bright for the coming decade. Demand for oil remains high from first world countries and economic giant before the third world countries such as China and India also insatiably guzzling oil as they quickly move to join the ranks of the first world countries. Until the new oil rigs and pipelines refineries remain tight supply depot built from the world used to in the past decade.
Most companies provide some form of training. After all not every oil rig work exactly the same. Even if you have some experience of previous oil rig they want to make sure you know the details of the rig they put you on. In addition to on the job training for your job aboard oil rig usually you also need to have some form of medical certificate offshore offshore survival certificate and helicopter escape training certificate under water. Proper form of certificates partly depending on the company you work and where you are deployed. Additionally you may need to have an up-to-date passport visas and vaccinations.
If all the legal requirements to sound big enough for you, you should consider getting hired labor for land based oil rig instead. Privileges will not be as good as offshore oil rigs, but there is a danger that a little more and you gain valuable experience of public works oil rig. Once you feel comfortable with the level of experience you can switch to the additional challenge of an offshore oil rig. If you do it this way is also easier to find out what other legal requirements and certifications that you need to meet. In addition the employer you are more likely to pay for your certification.
Basically if you are serious about oil rig jobs get all your required certification laws and requirements for your jurisdiction resolved first. Heat the oil industry right now, and employers do not have time to wait for their workers to settle their affairs.