# Bell nipple

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{{Short description|Pipe component}}
{{Dicdef|date=February 2011}} 
A '''bell nipple''' is a section of pipe with a flared top, fitted to the top of the [blowout preventer](/source/blowout_preventer)s that the [flow line](/source/flow_line) attaches to via a side outlet, to allow the drilling fluid to flow back over the [shale shakers](/source/shale_shakers) to the [mud tank](/source/mud_tank)s.<ref>{{Cite web |author=<!-- not stated --> |date=n.d. |title=bell nipple |url=https://glossary.slb.com/en/terms/b/bell_nipple |access-date=2026-04-23 |website=SLB Energy Glossary |publisher=[Schlumberger Limited](/source/SLB) |language=en}}</ref>

See [drilling rig (petroleum)](/source/drilling_rig_(petroleum)) for a diagram.

==References==
{{reflist}}

Category:Oilfield terminology
Category:Drilling technology
Category:Petroleum engineering

{{petroleum-stub}}

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Adapted from the Wikipedia article [Bell nipple](https://en.wikipedia.org/wiki/Bell_nipple) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Bell_nipple?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.