Assertion: crude oil's hydrocarbon | /r/CapableOf | escape to surface
Facets:
value: under flow
type: LOCATION
value: under low pressure
type: TEMPORAL
Source sentences:
text: A petroleum seep is a place where natural liquid or gaseous hydrocarbons escape to the earth's atmosphere and surface, normally under low pressure or flow.
text: The hydrocarbon trap has to be covered by an impermeable rock known as a seal or cap-rock in order to prevent hydrocarbons escaping to the surface