Assertion: drill bit's length | /r/CapableOf | exceed into the earth's crust
Facets:
value: often
type: TEMPORAL
value: several miles down
type: LOCATION
Source sentences:
text: Drill stems must be designed to transfer drilling torque for combined lengths that often exceed several miles down into the Earth's crust, and also must be able to resist pressure differentials between inside and outside (or vice versa), and have sufficient strength to suspend the total weight of deeper components.