Assertion: gas hydrate | /r/CapableOf | occur as pore-filling material
Facets:
value: in the sand reservoirs
type: LOCATION
value: mainly
type: DEGREE
Source sentences:
text: The natural gas hydrates in these sand-rich intervals in the Mackenzie Delta region mainly occur as pore-filling material in the sand reservoirs and can also infrequently be observed as coatings around individual sand grains.