Kicks with Drill Collars in the BOP Stack
The detection of a kick when the drill collars are in the BOP stack is a time of concern for the safety of the crew and the drilling unit as the normal methods of secondary control using the BOP’s may fail.
A kick of this nature can occur when the drill siring is being pulled out of the hole and is extremely hazardous for the following reasons:
- the kick is probably due to . . .