Schlumberger is a great company where one learns new things every day, there are plenty of opportunities to grow and one can feel safe and happy at work.
The most important asset for SLB is its talent, and that is also something that one feels as their employee. Having a career in SLB does not depend on your boss liking you or any other subjective variable. The process is based on merit, which means that if you do your part, you will grow professionally.
On top of that, the atmosphere is colaborative, so there will always be someone to answer your questions or to help you when you need it. The company also offers great benefits, trainings, and working conditions.
Pros
Structured Training Phase, Collaborative Atmosphere, Great Benefits, Options of growing based on merit
Contras
Difficult to keep your Work/Life balance