Three Forks formation
E631164
The Three Forks Formation is a Late Devonian sedimentary rock unit in the Williston Basin of North America, known as a significant tight oil reservoir underlying the Bakken Formation.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Three Forks Formation | 0 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
sedimentary rock unit ⓘ tight oil reservoir ⓘ |
| basin | Williston Basin NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| depositionalEnvironment |
restricted marine
ⓘ
shallow marine ⓘ tidal flat ⓘ |
| discoveredAsMajorPlay | early 2000s ⓘ |
| geologicAge | Late Devonian ⓘ |
| geologicPeriod | Devonian ⓘ |
| hasMember |
lower Three Forks member
ⓘ
middle Three Forks member ⓘ upper Three Forks member ⓘ |
| hasResource |
crude oil
ⓘ
natural gas ⓘ |
| hydrocarbonPlay | Bakken–Three Forks play NERFINISHED ⓘ |
| isSourceFor | light sweet crude ⓘ |
| lithology |
dolostone
ⓘ
limestone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn | North America ⓘ |
| overlies |
Birdbear Formation
NERFINISHED
ⓘ
Torquay Formation NERFINISHED ⓘ |
| partOf | Williston Basin NERFINISHED ⓘ |
| porosityType |
fracture porosity
ⓘ
matrix porosity ⓘ |
| presentInStateOrProvince |
Manitoba
NERFINISHED
ⓘ
Montana NERFINISHED ⓘ North Dakota NERFINISHED ⓘ Saskatchewan NERFINISHED ⓘ South Dakota NERFINISHED ⓘ |
| productionMethod |
horizontal drilling
ⓘ
multistage hydraulic fracturing ⓘ |
| reservoirType |
tight oil reservoir
ⓘ
unconventional reservoir ⓘ |
| rockType |
carbonate
ⓘ
clastic sedimentary rock ⓘ |
| stratigraphicRelationship |
overlies Birdbear Formation
ⓘ
underlies Bakken Formation ⓘ |
| stratigraphicUnitOf | Williston Basin NERFINISHED ⓘ |
| subdivisionOf | Devonian System NERFINISHED ⓘ |
| underlies | Bakken Formation NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.