Interview questions really depend upon which department you are for. For example, sperry manager may ask you the toughest of question about petroleum engineering but coiled tubing/wireline/perforating may ask you mechanical engineering problems. Managers will try to scare you off by picturing the conditions of workplace. My manager actually in a way told me that I may die on an offshore platform and asked me if i am not scared. Of course, I was scared but then accident can happen anywhere. Infact, oilfield had less death rate than a machine workshop industry. So, be prepared for such questions. Apart from this, he asked me very simple engineering products such as how does a fan work or how a hand pump sucks water from the earth. What would happen if you touch a live wire.

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