Once you get your interview, you are well on your way to getting a job. Depending on the state of the economy, for every 5 interviews you attend, you could get up to 3 or even 4 job offers. The simple fact is that conducting interviews is expensive. Employers don't like it because it takes away productive working time from their senior staff. That's why most HR departments aggressively examine job applicants prior to shortlisting them for interviews.
In a booming economy, experienced oil rig workers can get job offers from their very first interview. But even in a weak economy, even the most inexperienced candidate for offshore oil rig jobs should receive at least 1 or 2 offers from for every 10 interviews he attends. If you are being rejected for every interview, you may need to consider whether or not you are suffering from self-sabotaging behavior. It is probably a good idea to take time out from your job hunt to seek professional counseling to fix this problem.
Sometimes you can see many advertisements for oil rig roustabout jobs and other offshore drilling jobs, especially in the free-to-use job boards like Monster. So you think you should have a good chance of getting an interview. But when you don't get any calls, you start to lose confidence in yourself and your resume. Before giving up on working in the oil industry, you should know that many employers sometimes put out fake advertisements of vacancies to find out how easily they can hire new workers. If they find many unemployed workers, they will take the opportunity to pressure their existing workers to accept pay cuts or risk losing their jobs to someone who will work cheaper.
Clearing your interview is the last step to getting hired. So make sure you show the right attitude to your interviewer. You need to that you are tough, independent, have initiative, and are a team-worker. You also need to show the interviewer that you have at least some of the skills needed to work on an oil rig. Even though you have already stated your relevant skills in your resume, the interview is where you convince your future boss that you have some of the needed skills and are able to pick up more of what's needed.
Interviews for oil rigs employment are stressful. But if you keep the facts above in mind, you should find some of your worries melting away. It is all a numbers game - attend enough interviews and you will definitely get a job.