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WellCensus

Oil & gas wells in Kern County, CA

156,849 catalogued wells in Kern County, California, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Kern County, California has 156,849 catalogued oil & gas wells: 41,135 active (26%), 85,113 plugged & abandoned (54%) and 425 documented orphans. It ranks 1st of the 39 California counties WellCensus profiles by well count and holds 65% of the state's 242,471 catalogued wells.

Catalogued wells

156,849

Active

41,135

Plugged

85,113

Documented orphans

425

What is the status of oil and gas wells in Kern County?

26% of Kern County's wells are active, 4 percentage points above the California share of 22%. 54% are plugged & abandoned, against 60% statewide and 47% nationally. 19,986 wells (13%) are shut-in — unplugged but idle. 425 wells (0.3%) are documented orphans with no operator able to plug them, compared with 1% across California and 4% nationally. The remaining 10,190 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Kern County?

By product class, 111,527 of the county's wells (71%) are oil wells, 493 (0.3%) gas wells and 20,575 (13%) injection wells. Statewide the oil share is 68% and the gas share 3%. 100% of the county's wells carry coordinates and appear on the map.

How does Kern County compare with other California counties?

Kern County has the most catalogued wells of the 39 California counties with at least 25. The median California county on WellCensus has 675 wells. By documented orphans it ranks 2nd in California.

Who operates wells in Kern County?

2,374 distinct operators of record are linked to wells in Kern County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.

Oil & gas wells in Kern County, CA
WellAPI # / state IDStatusTypeOperator
St. Clair 3128A-204-030-39190ActiveOilAera Energy LLC
Belridge 3130-1104-030-22004ActiveOilAera Energy LLC
Sebu T 3130-1204-030-65100ActiveOther typeAera Energy LLC
Unspecified 516Z2-1804-030-51275ActiveOilAera Energy LLC
Dtr 516zr-3404-030-44671ActiveInjectionAera Energy LLC
Lease by Aera Energy LLC 517P2-2004-030-23370ActiveOilAera Energy LLC
Kcl 1404-029-00722Plugged & abandonedOilUnited Energy Inc.
Security-Midway 11004-029-01457Plugged & abandonedOilChevron U.S.A. Inc.
Seale 5 504-029-04637Plugged & abandonedOilMona P. Cook
Kelley - Buchner 304-029-12307ActiveOilHathaway LLC
Glide 104-029-12353Plugged & abandonedOilRichard S. Rheem, Operator
Glide 25-404-029-12400Plugged & abandonedOilHorace Steele
Ellis 55K-1904-029-73099ActiveOilAera Energy LLC
Dtr 562z-3304-030-26409ActiveInjectionAera Energy LLC
Canfield 5404-029-22683ActiveOilChevron U.S.A. Inc.
Revenue 1204-029-30116Plugged & abandonedOilChevron U.S.A. Inc.
Revenue 1904-029-30123Plugged & abandonedOilChevron U.S.A. Inc.
Wilson 1104-029-30140ActiveOilChevron U.S.A. Inc.
Belridge I 7225K-204-030-63569ActiveOilAera Energy LLC
Intex-M.J.M.& M.-Socal-U.S.L. 37X-1804-029-32142Plugged & abandonedOther typeTesoro Petroleum Corp.
Layman 3604-029-35775Plugged & abandonedInjectionCalifornia Resources Production Corporation
Dtr 731gu-2904-030-46982ActiveInjectionAera Energy LLC
Beer 604-029-37580Plugged & abandonedOther typeAmerada Hess Corp.
Brogdon 304-029-38894Plugged & abandonedOilBerry Petroleum Company, LLC
Lease by O'Brien-Sill 104-029-38930Shut-inOther typeO'Brien-Sill

A sample of the county’s wells — every catalogued well has its own page. Browse all 156,849 in search → (filter by operator, status and type, then export), or find a specific well on the live map.

Frequently asked questions

How many oil and gas wells are in Kern County, CA?

Kern County, California has 156,849 catalogued oil & gas wells: 41,135 active, 85,113 plugged and 425 documented orphans.

How many orphaned wells are in Kern County?

425 wells in Kern County, California are documented orphans — unplugged with no solvent operator of record, the 2nd-highest count among California counties.

What share of wells in Kern County are plugged?

85,113 of Kern County's 156,849 catalogued wells (54%) are plugged & abandoned, compared with 60% across California.

Which California county has the most oil and gas wells?

Kern County has the most catalogued wells of any California county on WellCensus, with 156,849.

How many companies operate wells in Kern County?

2,374 distinct operators of record are linked to catalogued wells in Kern County, California.

Nearby in the California rankings

About this data

Source: CalGEM WellSTAR well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Oil & gas wells in Kern County, California”, https://wellcensus.com/wells/california/kern (data as of October 10, 2026).