Tannehill Oil
Operator of record for 18 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Tannehill Oil Company · Tannehill Oil Company, Inc.
At a glance
Tannehill Oil is the operator of record for 18 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 13 (72%) are plugged & abandoned. Its largest concentration is in California, with 18 wells (100% of its portfolio).
Wells operated
18
Active
0
Plugged
13
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 18 |
Well mix
- Oil wells
- 8
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Tannehill Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Tannehill Oil operate?
Tannehill Oil's catalogued wells are spread across 1 state: California (18). Its 18 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 Tannehill Oil’s wells are active, plugged or orphaned?
0% of Tannehill Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 72% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Tannehill Oil operate?
By product class, 8 (44%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Tulare (CA), Kings (CA), Madera (CA), Kern (CA) and Sutter (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 Tannehill Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Leal 36 | 04-107-20090 | Plugged & abandoned | Other type | Tulare, CA | Tannehill Oil Company | — |
| Brazil 27X | 04-107-20104 | Plugged & abandoned | Other type | Tulare, CA | Tannehill Oil Company | — |
| Bettencourt 55-35 | 04-107-20103 | Other status | Oil | Tulare, CA | Tannehill Oil Company | — |
| Warren 17 | 04-107-20105 | Plugged & abandoned | Other type | Tulare, CA | Tannehill Oil Company | — |
| Reef Ridge 77X | 04-031-20138 | Plugged & abandoned | Other type | Kings, CA | Tannehill Oil Company | — |
| Gill 11X | 04-039-20016 | Plugged & abandoned | Other type | Madera, CA | Tannehill Oil Company | — |
| Cederquist 55-34 | 04-107-20107 | Plugged & abandoned | Other type | Tulare, CA | Tannehill Oil Company | — |
| Cardosa 16X | 04-107-20117 | Plugged & abandoned | Other type | Tulare, CA | Tannehill Oil Company | — |
| Lease by Tannehill Oil Company T-302 | 04-030-01860 | Other status | Oil | Kern, CA | Tannehill Oil Company | — |
| Maggie Wilson 1 | 04-101-00017 | Plugged & abandoned | Other type | Sutter, CA | Tannehill Oil Company | — |
| Geiger 2 | 04-029-62606 | Plugged & abandoned | Oil | Kern, CA | Tannehill Oil Company | — |
| Lease by Tannehill Oil Company 155 | 04-030-00425 | Other status | Oil | Kern, CA | Tannehill Oil Company | — |
Deepest first where depth is published. See all 18 wells →
Frequently asked questions
How many wells does Tannehill Oil operate?
Tannehill Oil is the operator of record for 18 catalogued oil & gas wells, with the largest concentration in California (18). Only wells in states WellCensus has ingested are counted.
How many of Tannehill Oil's wells are still active?
0 of Tannehill Oil's catalogued wells are active; 13 are plugged & abandoned.
In which states does Tannehill Oil operate wells?
Tannehill Oil is the operator of record for wells in California (18).
Does Tannehill Oil operate mostly oil or gas wells?
8 of Tannehill Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Tannehill 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, “Tannehill Oil — well portfolio”, https://wellcensus.com/operators/tannehill-oil-5485 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).