Cementing the Well After casing, or steel pipe, is run into the well, an L-shaped cementing head is fixed to the top of the wellhead to receive the slurry from the pumps. Two wiper plugs ...

An internet "prankster" had to be freed by firefighters after cementing his head inside a microwave oven. West Midlands Fire Service said it took an hour to free the man after they were called to ...