P&A. To place a cement plug into a dry hole or noneconomic well and abandon the well.

v: to place cement plugs into a dry hole and abandon it.

The process of terminating operations in a well. Cement plugs are set in the borehole and the rig moves off the location. The borehole is thus left in a safe condition. In some cases, where the Operator considers it possible that the well may be re-entered at a later date, the well may be only temporarily plugged and abandoned.