Patent ID: 11970930
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. The method of claim 9, further comprising providing that said electronic control unit is selectively controllable with a surface control to change between said first mode of operation, a second mode of operation and a third mode of operation, whereby in said first mode of operation said electronic control unit is operable for utilizing said at least one sensor for distinguishing between said rotating drilling and said sliding drilling without use of said surface control, in said second mode of operation said electronic control unit maintains said member in said closed position regardless of said rotating drilling or said sliding drilling, and in said third mode of operation said electronic control unit is operable for utilizing said at least one sensor to move said member to said open position in response to fluid flow through said downhole drilling assembly regardless of rotating drilling or sliding drilling.