Assertion: mineral's fracture | /r/UsedFor | a flow of oil or natural gas
Facets:
value: into the well
type: TRANSITIVE-OBJECT
value: out of the rocks
type: TRANSITIVE-OBJECT
Source sentences:
text: If an adequate number of crush-resistant particles remain in the reservoir, the fractures will be "propped" open, allowing for a flow of oil or natural gas out of the rocks and into the well.