Jr Oil
Operator of record for 300 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: J R OIL COMPANY · J R OIL COMPANY, INC. · J R OIL, LTD. CO. · J R Oil · …
At a glance
Jr Oil is the operator of record for 300 catalogued U.S. oil & gas wells in 5 states. 239 (80%) are active, 57 (19%) plugged & abandoned and 4 flagged as orphaned. Its largest concentration is in New Mexico, with 293 wells (98% of its portfolio).
Wells operated
300
Active
239
Plugged
57
Orphaned
4
Portfolio by state
| State | Wells |
|---|---|
| New Mexico | 293 |
| Colorado | 2 |
| Kansas | 2 |
| Louisiana | 2 |
| Illinois | 1 |
Well mix
- Oil wells
- 233
- Gas wells
- 30
- Shut-in
- 0
- Active share
- 80%
Is this your company?
Claim Jr Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Jr Oil operate?
Jr Oil's catalogued wells are spread across 5 states: New Mexico (293), Colorado (2), Kansas (2), Louisiana (2) and Illinois (1). Its 293 New Mexico wells are 0.2% of the 141,088 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 Jr Oil’s wells are active, plugged or orphaned?
80% of Jr Oil's catalogued wells are active, 51 percentage points above the national share of 29%. 19% are plugged & abandoned, against 47% nationally. 4 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Jr Oil operate?
By product class, 233 (78%) are oil wells and 30 (10%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Brunson C #013 in Lea, NM at 99,999 ft. The wells listed below sit in Lea (NM) and Eddy (NM). 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 Jr Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Brunson C #013 | 30-025-26639 | Plugged & abandoned | Oil | Lea, NM | J R Oil, Ltd. Co. | 99,999 ft |
| Hannah 17 State #002h | 30-025-36284 | Active | Gas | Lea, NM | J R Oil, Ltd. Co. | 16,429 ft |
| Merit 33 State #001 | 30-025-34368 | Active | Oil | Lea, NM | J R Oil, Ltd. Co. | 15,094 ft |
| Opl Twin Berry State #001 | 30-025-36823 | Plugged & abandoned | Gas | Lea, NM | J R Oil, Ltd. Co. | 13,784 ft |
| Federal Ab #001 | 30-025-28989 | Active | Oil | Lea, NM | J R Oil, Ltd. Co. | 13,780 ft |
| Degas 6 State Com #002 | 30-025-37078 | Plugged & abandoned | Gas | Lea, NM | J R Oil, Ltd. Co. | 13,208 ft |
| Oxy Night Hawk State Com #001 | 30-025-37637 | Plugged & abandoned | Gas | Lea, NM | J R Oil, Ltd. Co. | 12,895 ft |
| Oxy Great Horned Owl State Com #001 | 30-025-37824 | Plugged & abandoned | Gas | Lea, NM | J R Oil, Ltd. Co. | 12,638 ft |
| Estacado 14 State #001 | 30-025-34002 | Active | Oil | Lea, NM | J R Oil, Ltd. Co. | 12,593 ft |
| Pluma 29 State #002 | 30-025-35027 | Active | Oil | Lea, NM | J R Oil, Ltd. Co. | 12,591 ft |
| Pluma 29 State #001 | 30-025-34517 | Active | Oil | Lea, NM | J R Oil, Ltd. Co. | 12,590 ft |
| Oxy Harrier Federal #001 | 30-015-34434 | Active | Gas | Eddy, NM | J R Oil, Ltd. Co. | 12,230 ft |
Deepest first where depth is published. See all 300 wells →
Frequently asked questions
How many wells does Jr Oil operate?
Jr Oil is the operator of record for 300 catalogued oil & gas wells, with the largest concentration in New Mexico (293). Only wells in states WellCensus has ingested are counted.
How many of Jr Oil's wells are still active?
239 of Jr Oil's catalogued wells are active; 57 are plugged & abandoned and 4 are flagged as orphaned.
In which states does Jr Oil operate wells?
Jr Oil is the operator of record for wells in New Mexico (293), Colorado (2), Kansas (2), Louisiana (2) and Illinois (1).
Does Jr Oil operate mostly oil or gas wells?
233 of Jr Oil's catalogued wells are oil wells and 30 are gas wells; the rest are injection, service or unclassified wells.
What is Jr Oil's deepest well?
Among wells with a published depth, Brunson C #013 in Lea, NM is the deepest at 99,999 ft.
Where Jr 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, “Jr Oil — well portfolio”, https://wellcensus.com/operators/jr-oil-2697 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).