• Schlumberger average pre-tax profit margin for 2023 was 16.01%, a 20.2% decline from 2022.
• Schlumberger average pre-tax profit margin for 2022 was 13.32%, a 317.55% increase from 2021.
• Schlumberger average pre-tax profit margin for 2021 was 3.19%, a 105.6% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.