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WellCensus

Us Drilling

Operator of record for 15 catalogued wells across 2 states. Every well below links to its full registry page.

Filed as: U S DRILLING COMPANY INC · U. S. Drilling Co.

At a glance

Us Drilling is the operator of record for 15 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 11 (73%) are plugged & abandoned. Its largest concentration is in California, with 11 wells (73% of its portfolio).

Wells operated

15

Active

0

Plugged

11

Orphaned

0

Portfolio by state

StateWells
California11

Well mix

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

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Where does Us Drilling operate?

Us Drilling's catalogued wells are spread across 1 state: California (11). Its 11 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 Us Drilling’s wells are active, plugged or orphaned?

0% of Us Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 73% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Us Drilling operate?

By product class, 7 (47%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in San Luis Obispo (CA) and Kern (CA). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Us Drilling

Wells operated by Us Drilling
WellAPI # / state IDStatusTypeLocationOperatorDepth
Cuyama 104-079-00555Plugged & abandonedOther typeSan Luis Obispo, CAU. S. Drilling Co.—
S.P. 33 104-029-12551Plugged & abandonedOilKern, CAU. S. Drilling Co.—
S.P. 304-029-18498Plugged & abandonedOther typeKern, CAU. S. Drilling Co.—
S.P. 33 204-029-12552Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Ball 104-029-12553Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Garner 104-029-18499Plugged & abandonedOther typeKern, CAU. S. Drilling Co.—
Olcese 104-029-18501Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Russell 104-029-18500Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Bohen 104-029-12550Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Morris 204-029-39069Plugged & abandonedOilKern, CAU. S. Drilling Co.—
Morris 104-029-39068Plugged & abandonedOther typeKern, CAU. S. Drilling Co.—

Deepest first where depth is published. See all 15 wells →

Frequently asked questions

How many wells does Us Drilling operate?

Us Drilling is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in California (11). Only wells in states WellCensus has ingested are counted.

How many of Us Drilling's wells are still active?

0 of Us Drilling's catalogued wells are active; 11 are plugged & abandoned.

In which states does Us Drilling operate wells?

Us Drilling is the operator of record for wells in California (11).

Does Us Drilling operate mostly oil or gas wells?

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

Where Us Drilling'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, “Us Drilling — well portfolio”, https://wellcensus.com/operators/us-drilling-9146 (data as of October 10, 2026).

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