Southern California oil fields

E1131732 UNEXPLORED

Southern California oil fields are a major concentration of petroleum-producing areas in Southern California that have played a significant role in the region’s economic development and energy supply.

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All labels observed (6)

Label	Occurrences
Los Angeles Basin offshore extensions	1
Los Angeles Basin oil fields	1
Southern California oil fields canonical	1
Southern California petroleum province	1
Ventura Basin oil fields	1
Ventura County offshore oil fields	1

How this entity was disambiguated

This entity first appeared as the object of triple T14986545 — 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: Southern California oil fields
Context triple: [Oat Mountain Oil Field, isPartOf, Southern California oil fields]

A. California oil fields
California oil fields are expansive petroleum-producing regions in the state of California that have historically driven major economic development and inspired numerous cultural depictions of early 20th-century oil booms.
B. San Joaquin Valley oil fields
The San Joaquin Valley oil fields are a major concentration of petroleum-producing areas in California’s Central Valley, known for some of the largest and most productive onshore oil fields in the United States.
C. Kern River Oil Field
Kern River Oil Field is one of California’s largest and oldest producing oil fields, located near Bakersfield in Kern County.
D. Coalinga Oil Field
Coalinga Oil Field is a major petroleum-producing area in California’s San Joaquin Valley, historically significant for its early 20th-century oil boom and extensive heavy oil reserves.
E. Fruitvale Oil Field
Fruitvale Oil Field is a significant petroleum-producing area in Kern County, California, known for its long history of oil extraction within the southern San Joaquin Valley.
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: Southern California oil fields
Target entity description: Southern California oil fields are a major concentration of petroleum-producing areas in Southern California that have played a significant role in the region’s economic development and energy supply.

A. California oil fields
California oil fields are expansive petroleum-producing regions in the state of California that have historically driven major economic development and inspired numerous cultural depictions of early 20th-century oil booms.
B. San Joaquin Valley oil fields
The San Joaquin Valley oil fields are a major concentration of petroleum-producing areas in California’s Central Valley, known for some of the largest and most productive onshore oil fields in the United States.
C. Kern River Oil Field
Kern River Oil Field is one of California’s largest and oldest producing oil fields, located near Bakersfield in Kern County.
D. Coalinga Oil Field
Coalinga Oil Field is a major petroleum-producing area in California’s San Joaquin Valley, historically significant for its early 20th-century oil boom and extensive heavy oil reserves.
E. Fruitvale Oil Field
Fruitvale Oil Field is a significant petroleum-producing area in Kern County, California, known for its long history of oil extraction within the southern San Joaquin Valley.
F. None of above. chosen