Wolfcamp Formation
E880101
The Wolfcamp Formation is a prolific hydrocarbon-bearing rock unit in the Permian Basin, renowned as one of the most productive shale and tight oil plays in the United States.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Wolfcamp Formation canonical | 4 |
| Wolfcamp Shale (locally, depending on nomenclature) | 1 |
| Wolfcamp–Spraberry petroleum system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10685724 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wolfcamp Formation Context triple: [Permian Basin, primaryFormations, Wolfcamp Formation]
-
A.
Spraberry Formation
The Spraberry Formation is a major oil-bearing geologic unit in West Texas, renowned as one of the most prolific tight oil reservoirs within the Permian Basin.
-
B.
Boone Formation
The Boone Formation is a Mississippian-age carbonate rock unit of cherty limestones and dolomites widely exposed across parts of the Ozark region in the central United States.
-
C.
Sundance Formation
The Sundance Formation is a Middle to Late Jurassic marine sedimentary rock unit in the western United States, known for its shallow sea deposits that underlie the dinosaur-rich Morrison Formation.
-
D.
Fox Hills Formation
The Fox Hills Formation is a Late Cretaceous geologic unit in the Western Interior of North America, known for its marine to marginal-marine sandstones that record the final retreat of the Western Interior Seaway.
-
E.
Cloverly Formation
The Cloverly Formation is an Early Cretaceous geologic formation in the western United States known for its dinosaur fossils and fluvial sedimentary deposits.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wolfcamp Formation Target entity description: The Wolfcamp Formation is a prolific hydrocarbon-bearing rock unit in the Permian Basin, renowned as one of the most productive shale and tight oil plays in the United States.
-
A.
Spraberry Formation
The Spraberry Formation is a major oil-bearing geologic unit in West Texas, renowned as one of the most prolific tight oil reservoirs within the Permian Basin.
-
B.
Boone Formation
The Boone Formation is a Mississippian-age carbonate rock unit of cherty limestones and dolomites widely exposed across parts of the Ozark region in the central United States.
-
C.
Sundance Formation
The Sundance Formation is a Middle to Late Jurassic marine sedimentary rock unit in the western United States, known for its shallow sea deposits that underlie the dinosaur-rich Morrison Formation.
-
D.
Fox Hills Formation
The Fox Hills Formation is a Late Cretaceous geologic unit in the Western Interior of North America, known for its marine to marginal-marine sandstones that record the final retreat of the Western Interior Seaway.
-
E.
Cloverly Formation
The Cloverly Formation is an Early Cretaceous geologic formation in the western United States known for its dinosaur fossils and fluvial sedimentary deposits.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
ⓘ
hydrocarbon-bearing rock unit ⓘ unconventional oil and gas play ⓘ |
| basin | Permian Basin ⓘ |
| contains |
multiple stacked pay zones
ⓘ
natural gas ⓘ natural gas liquids ⓘ organic-rich mudrocks ⓘ tight oil ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developedBy |
horizontal drilling
ⓘ
multistage hydraulic fracturing ⓘ |
| geologicAge | Permian ⓘ |
| hasEconomicImportance | major U.S. shale play ⓘ |
| hasImpactOn | regional water and environmental management in the Permian Basin ⓘ |
| isMajorComponentOf |
Delaware Basin play
ⓘ
linked to:
Delaware Basin
Midland Basin play ⓘ
linked to:
Midland Basin
|
| isPartOf | Wolfcamp Group ⓘ |
| isTargetOf |
horizontal shale drilling programs
ⓘ
unconventional resource development ⓘ |
| knownFor |
high hydrocarbon resource potential
ⓘ
prolific shale oil production ⓘ tight oil production ⓘ |
| lithology |
limestone
ⓘ
sandstone ⓘ shale ⓘ siltstone ⓘ |
| locatedIn |
New Mexico
ⓘ
Texas ⓘ United States ⓘ
linked to:
United States of America
|
| overlies | Pennsylvanian formations ⓘ |
| partOf | Permian Basin ⓘ |
| playsRoleIn |
U.S. crude oil production
ⓘ
U.S. natural gas production ⓘ |
| reservoirType |
low-permeability reservoir
ⓘ
unconventional reservoir ⓘ |
| sourceRockFor |
gas in the Permian Basin
ⓘ
oil in the Permian Basin ⓘ |
| subBasin |
Delaware Basin
ⓘ
Midland Basin ⓘ |
| subunit |
Wolfcamp A
ⓘ
linked to:
Wolfcampian Series
Wolfcamp B ⓘ Wolfcamp C ⓘ
linked to:
Wolfcampian Series
Wolfcamp D ⓘ
linked to:
Wolfcampian Series
|
| thickness | several thousand feet ⓘ |
| underlies | Leonardian formations ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Wolfcamp Formation Description of subject: The Wolfcamp Formation is a prolific hydrocarbon-bearing rock unit in the Permian Basin, renowned as one of the most productive shale and tight oil plays in the United States.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Wolfcamp Formation
linked to: Wolfcamp Formation