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WellCensus

Cemco Oil

Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Cemco Oil is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (67%) are plugged & abandoned. Its largest concentration is in California, with 6 wells (100% of its portfolio).

Wells operated

6

Active

0

Plugged

4

Orphaned

0

Portfolio by state

StateWells
California6

Well mix

Oil wells
4
Gas wells
0
Shut-in
0
Active share
0%

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Where does Cemco Oil operate?

Cemco Oil's catalogued wells are spread across 1 state: California (6). Its 6 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 Cemco Oil’s wells are active, plugged or orphaned?

0% of Cemco Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 67% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Cemco Oil operate?

By product class, 4 (67%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Kern (CA) and Kings (CA).

Notable wells operated by Cemco Oil

Wells operated by Cemco Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
L.A.D. 104-029-57940Plugged & abandonedOilKern, CACemco Oil Corp.—
Mission 104-029-49196Plugged & abandonedOilKern, CACemco Oil Corp.—
Quinn 55X-804-029-60371Plugged & abandonedOther typeKern, CACemco Oil Corp.—
Ratliff 12-2004-029-64951Other statusOilKern, CACemco Oil Corp.—
Quinn 12-2004-029-60372Other statusOilKern, CACemco Oil Corp.—
Orchard Pyramid 104-031-20139Plugged & abandonedOther typeKings, CACemco Oil Corp.—

Deepest first where depth is published. See all 6 wells →

Frequently asked questions

How many wells does Cemco Oil operate?

Cemco Oil is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in California (6). Only wells in states WellCensus has ingested are counted.

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

0 of Cemco Oil's catalogued wells are active; 4 are plugged & abandoned.

In which states does Cemco Oil operate wells?

Cemco Oil is the operator of record for wells in California (6).

Does Cemco Oil operate mostly oil or gas wells?

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

Where Cemco 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, “Cemco Oil — well portfolio”, https://wellcensus.com/operators/cemco-oil-4705 (data as of October 10, 2026).

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