Complications during well control operations

Complications during well control operations

Complications during well control operations Stopping the control operation, Plugged chokes, Change in circulating kill rate, Plugged bit nozzles, Kick caused by loss of circulation below production zone, Complete power failure during the controlling operation

1 Stopping the control operation

Control operations may have to be stopped because of equipment failure or for checking static pressures at certain stages of the control process. If the control operation is interrupted, the choke must be closed immediately. The standpipe pressure should not be allowed to be bled off to its theoretical value to avoid . . .