Oil & gas wells in Riverside County, CA
138 catalogued wells in Riverside County, California, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Riverside County, California has 138 catalogued oil & gas wells: 0 active (0%), 108 plugged & abandoned (78%) and 29 documented orphans. It ranks 33rd of the 39 California counties WellCensus profiles by well count and holds 0.1% of the state's 242,471 catalogued wells.
Catalogued wells
138
Active
0
Plugged
108
Documented orphans
29
What is the status of oil and gas wells in Riverside County?
0% of Riverside County's wells are active, 22 percentage points below the California share of 22%. 78% are plugged & abandoned, against 60% statewide and 47% nationally. 29 wells (21%) are documented orphans with no operator able to plug them, compared with 1% across California and 4% nationally. The remaining 1 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Riverside County?
By product class, 63 of the county's wells (46%) are oil wells, 1 (0.7%) gas wells and 1 (0.7%) 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 Riverside County compare with other California counties?
Riverside County has the 33rd-most catalogued wells of the 39 California counties with at least 25. The median California county on WellCensus has 675 wells. The largest, Kern County, has 156,849. By documented orphans it ranks 10th in California.
Who operates wells in Riverside County?
99 distinct operators of record are linked to wells in Riverside 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.
Wells in Riverside County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Aros 1 | 04-065-00003 | Plugged & abandoned | Oil | Atlantic Oil Company |
| Prado-Government 1 | 04-065-00005 | Plugged & abandoned | Oil | Cree Oil Company |
| Sardco 1 | 04-065-00011 | Plugged & abandoned | Oil | A. L. Hunter, Oper. |
| Sardco 2 | 04-065-00012 | Plugged & abandoned | Oil | A. L. Hunter, Oper. |
| G-G 1 | 04-065-00020 | Plugged & abandoned | Oil | Macrate Oil Co. |
| Hudson 2 | 04-065-00045 | Plugged & abandoned | Oil | L & M Oil Co. |
| Wilcox 1 | 04-065-00046 | Plugged & abandoned | Oil | M. R. Peck |
| Gov-T.M.P.-C 1 | 04-065-00049 | Plugged & abandoned | Oil | Prado Basin Oil Co. |
| Tarver-Government 2 | 04-065-00055 | Plugged & abandoned | Other type | Joseph A. Tarver, Oper. |
| Sardco 2 | 04-065-00057 | Plugged & abandoned | Oil | Prado Petroleum Co. |
| Santa Anaheim 1 | 04-065-00058 | Plugged & abandoned | Other type | Airways Petro. Corp. |
| Watt 2 | 04-065-00059 | Plugged & abandoned | Oil | Albert Petroleum Corp. |
| Gov. Tmp-C 1 | 04-065-00060 | Plugged & abandoned | Other type | Alpoil Co. |
| Gov. Tmp-D 1 | 04-065-00061 | Plugged & abandoned | Other type | Alpoil Co. |
| Lease by Arl Oil Co. 1 | 04-065-00062 | Orphaned | Oil | Arl Oil Co. |
| Lease by Arl Oil Co. 1 | 04-065-00063 | Orphaned | Oil | Arl Oil Co. |
| Lease by Alberta Oil Co. 1 | 04-065-00064 | Plugged & abandoned | Oil | Alberta Oil Co. |
| Conklin-Walker 1 | 04-065-00065 | Plugged & abandoned | Other type | Anne Arnold |
| John Drew 1 | 04-065-00066 | Plugged & abandoned | Other type | Beaumont Expl. Co. |
| Lease by Beaumont Riverside Oil. Synd. 1A | 04-065-00067 | Orphaned | Oil | Beaumont Riverside Oil. Synd. |
| Lease by Floyd Amundson 1 | 04-065-00068 | Orphaned | Oil | Floyd Amundson |
| Moore 1 | 04-065-00069 | Plugged & abandoned | Other type | C & K Oil Co. |
| Cherrydale 1 | 04-065-00070 | Plugged & abandoned | Oil | Cherrydale Oil Co. |
| Bent 1 | 04-065-00071 | Plugged & abandoned | Other type | Crawford H. Bent |
| Berghofer 1 | 04-065-00072 | Plugged & abandoned | Other type | Victor Berghofer |
A sample of the county’s wells — every catalogued well has its own page. Browse all 138 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 Riverside County, CA?
Riverside County, California has 138 catalogued oil & gas wells: 0 active, 108 plugged and 29 documented orphans.
How many orphaned wells are in Riverside County?
29 wells in Riverside County, California are documented orphans — unplugged with no solvent operator of record, the 10th-highest count among California counties.
What share of wells in Riverside County are plugged?
108 of Riverside County's 138 catalogued wells (78%) 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 (156,849); Riverside County ranks 33rd with 138.
How many companies operate wells in Riverside County?
99 distinct operators of record are linked to catalogued wells in Riverside 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 Riverside County, California”, https://wellcensus.com/wells/california/riverside (data as of October 10, 2026).