Depth positioning using gamma-ray correlation and downhole parameter differential
- Application ID: EP14290206
- Status: █ The patent has been granted
This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Schlumberger SA, Schlumberger Cambridge Research Ltd, and Etudes & Productions Schlumberger are specialized in E21. Etudes & Productions Schlumberger, Schlumberger SA is specialised in E21 (EARTH OR ROCK DRILLING; MINING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.
- 13.01.2016 - Publication A1 (EP2966258)
- 21.11.2018 - Publication B1 (EP2966258)