Multi-stage. online screening tests, situational judgements (standard), phone interview covering BPS's values, technical interview and assessment centre. [March 2019]. Reasonable difficulty throughout, very in depth and really tested your knowledge - kept on pushing you for answers. For both technical aspects and otherwise
I applied online. The process took 4 months. I interviewed at bp (London, England) in Dec 2017
Interview
Main Stages were phone interview, technical interview and assessment centre. Technical interview and assessment centre had to be attended in person on separate occasions. Offer was made 3 weeks after the assessment centre process.
Interview questions [1]
Question 1
Q: What knowledge do you have on reservoir simulation practices and process?