Tenneco Oil
Operator of record for 1,265 catalogued wells across 14 states. Every well below links to its full registry page.
Filed as: TENNECO OIL CO · TENNECO OIL CO. · TENNECO OIL COMPANY · Tenneco Oil Co · …
At a glance
Tenneco Oil is the operator of record for 1,265 catalogued U.S. oil & gas wells in 14 states. 4 (0.3%) are active, 1,067 (84%) plugged & abandoned and 9 flagged as orphaned. Its largest concentration is in Oklahoma, with 325 wells (26% of its portfolio).
Wells operated
1,265
Active
4
Plugged
1,067
Orphaned
9
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 325 |
| Louisiana | 320 |
| Wyoming | 142 |
| North Dakota | 95 |
| Utah | 94 |
| California | 79 |
| Kansas | 58 |
| Montana | 47 |
| Colorado | 43 |
| Arkansas | 41 |
| Alabama | 8 |
| Mississippi | 8 |
| New Mexico | 3 |
| Michigan | 2 |
Well mix
- Oil wells
- 581
- Gas wells
- 175
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Tenneco Oil operate?
Tenneco Oil's catalogued wells are spread across 14 states: Oklahoma (325), Louisiana (320), Wyoming (142), North Dakota (95) and Utah (94) and 9 more. Its 94 Utah wells are 0.2% of the 40,139 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 Tenneco Oil’s wells are active, plugged or orphaned?
0.3% of Tenneco Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 84% are plugged & abandoned, against 47% nationally. 9 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Tenneco Oil operate?
By product class, 581 (46%) are oil wells and 175 (14%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 93a Rb Sua;terr Ld Dev Co A 001 in Terrebonne, LA at 19,850 ft. The wells listed below sit in Terrebonne (LA), Vermilion (LA) and Washington (AL). State filings spell the name 6 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Tenneco Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 93a Rb Sua;terr Ld Dev Co A 001 | 17-109-21493 | Plugged & abandoned | Gas | Terrebonne, LA | Tenneco Oil Co. | 19,850 ft |
| Vua;terrebonne Land Dev 001 | 17-109-21344 | Plugged & abandoned | Gas | Terrebonne, LA | Tenneco Oil Co. | 19,710 ft |
| 93a Rb Sua;tldc A 002 | 17-109-21826 | Plugged & abandoned | Gas | Terrebonne, LA | Tenneco Oil Co. | 19,250 ft |
| 92 Ra Sua;tldc B 001-D | 17-109-21709 | Plugged & abandoned | Gas | Terrebonne, LA | Tenneco Oil Co. | 18,984 ft |
| Vua;terrebonne Land Dev 002 | 17-109-22342 | Plugged & abandoned | Other type | Terrebonne, LA | Tenneco Oil Co. | 18,965 ft |
| Vud;terrebonne Land Dev C 001 | 17-109-21740 | Plugged & abandoned | Other type | Terrebonne, LA | Tenneco Oil Co. | 18,599 ft |
| Dennis Cenac 006d | 17-109-03306 | Plugged & abandoned | Oil | Terrebonne, LA | Tenneco Oil Co. | 18,353 ft |
| Dennis Cenac 003d | 17-109-02117 | Plugged & abandoned | Oil | Terrebonne, LA | Tenneco Oil Co. | 18,177 ft |
| Dennis Cenac 011d | 17-109-20021 | Plugged & abandoned | Oil | Terrebonne, LA | Tenneco Oil Co. | 18,076 ft |
| A C Trahan 001 | 17-113-20046 | Plugged & abandoned | Other type | Vermilion, LA | Tenneco Oil Co. | 18,015 ft |
| Dennis Cenac 012 | 17-109-21368 | Plugged & abandoned | Gas | Terrebonne, LA | Tenneco Oil Co. | 18,004 ft |
| Tenneco-Williams-Pennzoil-Jack Hopkins Et Al #1-A | 01-129-20027 | Plugged & abandoned | Other type | Washington, AL | Tenneco Oil Co. | 17,605 ft |
Deepest first where depth is published. See all 1,265 wells →
Frequently asked questions
How many wells does Tenneco Oil operate?
Tenneco Oil is the operator of record for 1,265 catalogued oil & gas wells, with the largest concentration in Oklahoma (325). Only wells in states WellCensus has ingested are counted.
How many of Tenneco Oil's wells are still active?
4 of Tenneco Oil's catalogued wells are active; 1,067 are plugged & abandoned and 9 are flagged as orphaned.
In which states does Tenneco Oil operate wells?
Tenneco Oil is the operator of record for wells in Oklahoma (325), Louisiana (320), Wyoming (142), North Dakota (95), Utah (94), California (79), Kansas (58), Montana (47), Colorado (43), Arkansas (41), Alabama (8), Mississippi (8), New Mexico (3) and Michigan (2).
Does Tenneco Oil operate mostly oil or gas wells?
581 of Tenneco Oil's catalogued wells are oil wells and 175 are gas wells; the rest are injection, service or unclassified wells.
What is Tenneco Oil's deepest well?
Among wells with a published depth, 93a Rb Sua;terr Ld Dev Co A 001 in Terrebonne, LA is the deepest at 19,850 ft.
Where Tenneco Oil's wells are
- Oil & gas wells in Oklahoma· 325 operated by Tenneco Oil
- Oil & gas wells in Louisiana· 320 operated by Tenneco Oil
- Oil & gas wells in Wyoming· 142 operated by Tenneco Oil
- Oil & gas wells in North Dakota· 95 operated by Tenneco Oil
- Oil & gas wells in Utah· 94 operated by Tenneco Oil
- Oil & gas wells in California· 79 operated by Tenneco Oil
- Largest U.S. well operators
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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, “Tenneco Oil — well portfolio”, https://wellcensus.com/operators/tenneco-oil-85 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).