Assertion: permeability | /r/ObjectUse | used in petroleum engineering
Facets:
value: widely
type: DEGREE
Source sentences:
text: Rocks with a permeability greater than 100mD (millidarcies - a unit of permeability widely used in petroleum engineering) can change into exploitable hydrocarbon reservoirs whereas rocks with a permeability lower than 100mD tend to form seals.