Assertion: mud | /r/HasProperty | pumped through the drill string
Facets:
value: from the mud pits
type: LOCATION
value: on a drilling rig
type: LOCATION
Source sentences:
text: On a drilling rig, mud is pumped from the mud pits through the drill string, where it sprays out of nozzles on the drill bit, thus cleaning and cooling the drill bit in the process.