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WellCensus

Brookline Oil

Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Brookline Oil is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 14 (100%) are plugged & abandoned. Its largest concentration is in California, with 14 wells (100% of its portfolio).

Wells operated

14

Active

0

Plugged

14

Orphaned

0

Portfolio by state

StateWells
California14

Well mix

Oil wells
7
Gas wells
0
Shut-in
0
Active share
0%

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Where does Brookline Oil operate?

Brookline Oil's catalogued wells are spread across 1 state: California (14). Its 14 California wells are 0.0% of the 242,471 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of Brookline Oil’s wells are active, plugged or orphaned?

0% of Brookline Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Brookline Oil operate?

By product class, 7 (50%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Kings (CA), San Luis Obispo (CA), Los Angeles (CA), Orange (CA) and Humboldt (CA).

Notable wells operated by Brookline Oil

Wells operated by Brookline Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
Travma 404-031-00786Plugged & abandonedOther typeKings, CABrookline Oil Co.—
Travma 104-031-00783Plugged & abandonedOther typeKings, CABrookline Oil Co.—
Travma 304-031-00785Plugged & abandonedOther typeKings, CABrookline Oil Co.—
Travers 104-031-00781Plugged & abandonedOther typeKings, CABrookline Oil Co.—
Travma 204-031-00784Plugged & abandonedOther typeKings, CABrookline Oil Co.—
McCornack Vicki 104-079-00146Plugged & abandonedOther typeSan Luis Obispo, CABrookline Oil Co.—
Wells 104-037-17142Plugged & abandonedOilLos Angeles, CABrookline Oil Co.—
Phelps 104-059-07379Plugged & abandonedOilOrange, CABrookline Oil Co.—
Phelps 204-059-07380Plugged & abandonedOilOrange, CABrookline Oil Co.—
Phelps 304-059-07381Plugged & abandonedOilOrange, CABrookline Oil Co.—
Phelps-Hazeltine 104-059-07382Plugged & abandonedOilOrange, CABrookline Oil Co.—
Caesar 104-023-00008Plugged & abandonedOilHumboldt, CABrookline Oil Co.—

Deepest first where depth is published. See all 14 wells →

Frequently asked questions

How many wells does Brookline Oil operate?

Brookline Oil is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in California (14). Only wells in states WellCensus has ingested are counted.

How many of Brookline Oil's wells are still active?

0 of Brookline Oil's catalogued wells are active; 14 are plugged & abandoned.

In which states does Brookline Oil operate wells?

Brookline Oil is the operator of record for wells in California (14).

Does Brookline Oil operate mostly oil or gas wells?

7 of Brookline Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

Where Brookline Oil's wells are

About this data

Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Brookline Oil — well portfolio”, https://wellcensus.com/operators/brookline-oil-3588 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).