Bell nipple

A Bell nipple is a section of large diameter pipe fitted to the top of the blowout preventers that the flow line attaches to via a side outlet, to allow the drilling fluid to flow back over the shale shakers to the mud tanks.

See Drilling rig (petroleum) for a diagram.

This article is issued from Wikipedia - version of the Tuesday, April 02, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.