Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which

Official title: Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions

E21B44/00 (Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which) appears on 3,420 US grants and 3,790 published applications in this corpus.