Concord Oil
Operator of record for 12 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: CONCORD OIL COMPANY INC · Concord Oil Co. · Concord Oil Company, Inc.
At a glance
Concord Oil is the operator of record for 12 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 12 (100%) are plugged & abandoned. Its largest concentration is in California, with 7 wells (58% of its portfolio).
Wells operated
12
Active
0
Plugged
12
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 7 |
| Kansas | 3 |
| Colorado | 2 |
Well mix
- Oil wells
- 8
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Concord Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Concord Oil operate?
Concord Oil's catalogued wells are spread across 3 states: California (7), Kansas (3) and Colorado (2). Its 7 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 Concord Oil’s wells are active, plugged or orphaned?
0% of Concord 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 Concord Oil operate?
By product class, 8 (67%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 26-1 Concord State in Arapahoe, CO at 8,750 ft. The wells listed below sit in Arapahoe (CO), Weld (CO), Gove (KS), Trego (KS), Monterey (CA) and Los Angeles (CA). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Concord Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 26-1 Concord State | 05-005-06963 | Plugged & abandoned | Other type | Arapahoe, CO | Concord Oil Company Inc | 8,750 ft |
| A-1 Concord State | 05-123-14688 | Plugged & abandoned | Other type | Weld, CO | Concord Oil Company Inc | 6,250 ft |
| Babcock 1-27 | 15-063-21343 | Plugged & abandoned | Other type | Gove, KS | Concord Oil Company, Inc. | 4,500 ft |
| Kuhn 2-4 | 15-195-22025 | Plugged & abandoned | Other type | Trego, KS | Concord Oil Company, Inc. | 4,100 ft |
| Dreiling 35-15 | 15-195-22026 | Plugged & abandoned | Oil | Trego, KS | Concord Oil Company, Inc. | 4,045 ft |
| Unspecified A-400 | 04-053-01151 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
| Concord 1 | 04-037-09664 | Plugged & abandoned | Oil | Los Angeles, CA | Concord Oil Co. | — |
| Biaggi 3 | 04-053-00447 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
| Unspecified A-100 | 04-053-01101 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
| Unspecified A-101 | 04-053-01102 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
| Ansberry 1 | 04-053-01103 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
| M-A 1 | 04-053-01108 | Plugged & abandoned | Oil | Monterey, CA | Concord Oil Co. | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Concord Oil operate?
Concord Oil is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in California (7). Only wells in states WellCensus has ingested are counted.
How many of Concord Oil's wells are still active?
0 of Concord Oil's catalogued wells are active; 12 are plugged & abandoned.
In which states does Concord Oil operate wells?
Concord Oil is the operator of record for wells in California (7), Kansas (3) and Colorado (2).
Does Concord Oil operate mostly oil or gas wells?
8 of Concord Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Concord Oil's deepest well?
Among wells with a published depth, 26-1 Concord State in Arapahoe, CO is the deepest at 8,750 ft.
Where Concord 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, “Concord Oil — well portfolio”, https://wellcensus.com/operators/concord-oil-18477 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).