There is a online test and the a ppt for shortlisted students, the they have a gd round , after which there is a case study round, then technical rounds and then hr
I applied through college or university. I interviewed at SLB (Austin, TX) in Oct 2014
Interview
The engineer was interviewing me. He was a bit rude to me during the interview. He gave me this feeling “You are not qualified for this position.” I mean I am not even a employee of Schlumberger and he is just an interviewer. I think he should have been rude like that. The interview was just him asking me about my resume. I was very discouraged during the interview. They did not send me any rejection email afterwards.
I applied through a recruiter. The process took 3 months. I interviewed at SLB (Ciudad de México) in Nov 2012
Interview
math exams, personal interviews, after that they send you a mail for a second round, which consist in assist in on the base for more Interviews with several managers of different segments and a practical job scenario.