I applied through college or university. The process took 4 weeks. I interviewed at SLB (Florencia) in Oct 2012
Interview
Technical Interview performed by reference person with a group formed by: Schlumberger's technical responsible, Schlumberger's administrative responsible, my University mentor, another two University Professors, me. The Interview Process was overall smooth and people put me at ease
Interview questions [1]
Question 1
Technical things: checking my overall knowledge offluid-dynamics , checking my level of knowledge of programming languages, and surveying my specific skills about maths applied to fluid-dynamics: asking about my committment to industrial research and about my ability to work inside a multi-disciplinary and multi-cultural environment
I applied through a recruiter. I interviewed at SLB
Interview
There was a phone screen with the hiring manager that was mostly behavioral. The next round was an on site with 4 people (all engineers) and a group interview to end the day.
Interview questions [1]
Question 1
They asked to write an algorithm to detect a palindrome.
I applied online. The process took 1 week. I interviewed at SLB (Urbana, IL) in Oct 2025
Interview
Leetcode problems within 45 mins.
I have done 2. The first one is easy.
The second one is middle, using the graph and DFS.
Also need to provide every solution's time and space complexity
I applied online. I interviewed at SLB in Oct 2025
Interview
I applied online; the interview was conducted by Karat Studio, which was a third party conducting technical interviews for SLB. The interviewer was quite friendly and explained the process pretty well.
Interview questions [2]
Question 1
Asked three complexity and data structure application questions,
Graph-based LeetCode-style question, another follow-up with slightly higher difficulty. Be prepared to define classes/methods and run your own test cases.
