Bell nipple
Encyclopedia
A Bell nipple is a section of large diameter pipe fitted to the top of the blowout preventer
s 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 tank
s.
See Drilling rig (petroleum)
for a diagram.
Blowout preventer
A blowout preventer is a large, specialized valve used to seal, control and monitor oil and gas wells. Blowout preventers were developed to cope with extreme erratic pressures and uncontrolled flow emanating from a well reservoir during drilling. Kicks can lead to a potentially catastrophic...
s that the flow line
Flow line
A flow line, used on a drilling rig, is a large diameter pipe that is connected to the bell nipple and extends to the possum belly and acts as a return line, , to the mud tanks.-Flow Line Components:The flow line will typically have equipment attached to it,...
attaches to via a side outlet, to allow the drilling fluid to flow back over the shale shakers to the mud tank
Mud tank
A mud tank is an open-top container, typically made of steel, to store drilling fluid on a drilling rig. They are also called mud pits, because they used to be nothing more than pits dug out of the earth....
s.
See Drilling rig (petroleum)
Drilling rig (petroleum)
This article lists the main components of a petroleum onshore drilling rig.Offshore drilling rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment....
for a diagram.