CAPPING STACK AND METHOD FOR CONTROLLING A WELLBORE
- Application ID: EP12713177
- Status: █ NO OPPOSITION FILED WITHIN TIMELIMIT
This patent has the IPC combination E21 (EARTH OR ROCK DRILLING; MINING) and F15 (FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL) is specialized in the combination E21 and F15. There is no patent agent firm in the market, which is specialized in this combination of IPC classes.