Skip to content
WellCensus

Oil & gas wells in Solano County, CA

1,717 catalogued wells in Solano County, California, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Solano County, California has 1,717 catalogued oil & gas wells: 57 active (3%), 1,493 plugged & abandoned (87%) and 7 documented orphans. It ranks 9th of the 39 California counties WellCensus profiles by well count and holds 0.7% of the state's 242,471 catalogued wells.

Catalogued wells

1,717

Active

57

Plugged

1,493

Documented orphans

7

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

3% of Solano County's wells are active, 19 percentage points below the California share of 22%. 87% are plugged & abandoned, against 60% statewide and 47% nationally. 115 wells (7%) are shut-in — unplugged but idle. 7 wells (0.4%) are documented orphans with no operator able to plug them, compared with 1% across California and 4% nationally. The remaining 45 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Solano County?

By product class, 10 of the county's wells (0.6%) are oil wells, 932 (54%) gas wells and 2 (0.1%) 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 Solano County compare with other California counties?

Solano County has the 9th-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 20th in California.

Who operates wells in Solano County?

240 distinct operators of record are linked to wells in Solano 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 Solano County, CA
WellAPI # / state IDStatusTypeOperator
BFI-Buttes 1-1704-095-00001Plugged & abandonedOther typeBob Ferguson Independent
Petersen Unit 1 604-095-00002Plugged & abandonedGasPetersen Production Company, LLC
Hackman Estates 104-095-00003Plugged & abandonedOther typeUMC Petroleum Corp.
Turner 104-095-00005Plugged & abandonedOther typeSumpf-Williams
Ppco 10004-095-00006Plugged & abandonedOther typeABA Energy Corporation
Petersen Unit 1 404-095-00007Plugged & abandonedGasPetersen Production Company, LLC
Rvgu 7404-095-00008Plugged & abandonedGasCalifornia Resources Production Corporation
Amerada-Brigantino 104-095-00009Plugged & abandonedGasS. M. Reynolds, Opr.
Arpe 204-095-00010Plugged & abandonedGasPetersen Production Company, LLC
S.A.K.-Petersen 104-095-00011Plugged & abandonedOther typePhillips Petroleum Company
Liliethal 104-095-00012Plugged & abandonedOther typePhillips Petroleum Company
Fontana Farms 204-095-00013Plugged & abandonedGasChevron U.S.A. Inc.
Comber 104-095-00014Plugged & abandonedOther typeAmerada Hess Corp., Unit Operator
Wm. Comber 104-095-00015Plugged & abandonedOther typeAmerada Hess Corp.
Bgzu 60104-095-00016Plugged & abandonedInjectionAmerada Hess Corp., Unit Operator
Bgzu 70104-095-00017Plugged & abandonedGasArmstrong Petroleum Corporation
Norton 104-095-00018Plugged & abandonedGasAmerada Hess Corp., Unit Operator
Bgzu 30104-095-00019Plugged & abandonedGasAmerada Hess Corp., Unit Operator
C.E. Rayn 104-095-00020Plugged & abandonedOther typeAmerada Hess Corp.
Bgzu 50204-095-00021Plugged & abandonedGasArmstrong Petroleum Corporation
Bgzu 20104-095-00022Plugged & abandonedGasAmerada Hess Corp., Unit Operator
Bgzu 70204-095-00023Plugged & abandonedGasAmerada Hess Corp., Unit Operator
Bgzu 70304-095-00024Plugged & abandonedGasAmerada Hess Corp., Unit Operator
Bgzu 40104-095-00025Plugged & abandonedGasAmerada Hess Corp.
Bgzu 90104-095-00026Plugged & abandonedGasAmerada Hess Corp., Unit Operator

A sample of the county’s wells — every catalogued well has its own page. Browse all 1,717 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 Solano County, CA?

Solano County, California has 1,717 catalogued oil & gas wells: 57 active, 1,493 plugged and 7 documented orphans.

How many orphaned wells are in Solano County?

7 wells in Solano County, California are documented orphans — unplugged with no solvent operator of record, the 20th-highest count among California counties.

What share of wells in Solano County are plugged?

1,493 of Solano County's 1,717 catalogued wells (87%) 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); Solano County ranks 9th with 1,717.

How many companies operate wells in Solano County?

240 distinct operators of record are linked to catalogued wells in Solano 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 Solano County, California”, https://wellcensus.com/wells/california/solano (data as of October 10, 2026).