First round they grilled me on technicals and once I made it past that it was two behavioral with partners. The superday was more chill but still extremely technical and it felt like they were trying to see if I would slip up or miss a technical
Selection day involved a numercial test, then two 20-30 minute interviews: one with an associate and one with a director. Be prepared for technical questions and about interest in the sector.
Overall, the superday was hard. The technicals grilled me, and I wish I practiced more. They were pretty friendly during behavioral. The Houston office is boring anyway; energy is lame.
Interview questions [1]
Question 1
How do valuations change with increasing commodity prices?
pretty technical, asked about difficult accretion/dilution questions, interest solvency ratio, the first round interview was not very tech-focused, just more about the technical skills you have (asked technicals for an hour straight)