1 Subjects: “...state regulation...”

2 Subjects: “...drilling state identification algorithm...”

3 Subjects: “...state constraints...”

4 Subjects: “...state constraints...”

5 Subjects: “...state constraints...”

6 Subjects: “...state transitions...”

7 Subjects: “...state transitions...”

8 Subjects: “...state transitions...”

9 Subjects: “...recurrent states...”