Cox John L
Operator of record for 75 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: COX JOHN L · Cox, John L · Cox, John L.
At a glance
Cox John L is the operator of record for 75 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 75 (100%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 71 wells (95% of its portfolio).
Wells operated
75
Active
0
Plugged
75
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 71 |
| Montana | 3 |
| Utah | 1 |
Well mix
- Oil wells
- 16
- Gas wells
- 8
- Shut-in
- 0
- Active share
- 0%
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Claim Cox John L to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Cox John L operate?
Cox John L's catalogued wells are spread across 3 states: Oklahoma (71), Montana (3) and Utah (1). Its 71 Oklahoma wells are 0.0% of the 456,595 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 Cox John L’s wells are active, plugged or orphaned?
0% of Cox John L'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 Cox John L operate?
By product class, 16 (21%) are oil wells and 8 (11%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Box Elder 1 in Roosevelt, MT at 7,775 ft. The wells listed below sit in Roosevelt (MT), Harper (OK), Beaver (OK), Pottawatomie (OK), Noble (OK) and Mcclain (OK) and other counties. 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 Cox John L
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Box Elder 1 | 25-085-21410 | Plugged & abandoned | Other type | Roosevelt, MT | Cox, John L. | 7,775 ft |
| Mcwhirter 1-20 | 25-085-21470 | Plugged & abandoned | Other type | Roosevelt, MT | Cox, John L. | 7,640 ft |
| Heinrich 1-18 | 25-085-21496 | Plugged & abandoned | Other type | Roosevelt, MT | Cox, John L. | 7,476 ft |
| Snell #1-15 | 35-059-21326 | Plugged & abandoned | Other type | Harper, OK | Cox John L | — |
| Naylor #1 | 35-007-22715 | Plugged & abandoned | Oil | Beaver, OK | Cox John L | — |
| Marsh #1-21 | 35-125-22545 | Plugged & abandoned | Other type | Pottawatomie, OK | Cox John L | — |
| Kopp #1 | 35-103-22248 | Plugged & abandoned | Other type | Noble, OK | Cox John L | — |
| Jay Bearden #1-25 | 35-087-21416 | Plugged & abandoned | Oil | Mcclain, OK | Cox John L | — |
| Selman #1-22 | 35-059-21607 | Plugged & abandoned | Gas | Harper, OK | Cox John L | — |
| Bluff State 1 | 43-037-30790 | Plugged & abandoned | Other type | San Juan, UT | Cox, John L | — |
| Mcconnell #1-19 | 35-093-23564 | Plugged & abandoned | Other type | Major, OK | Cox John L | — |
| Ralph Sander #1-36 | 35-043-22089 | Plugged & abandoned | Oil | Dewey, OK | Cox John L | — |
Deepest first where depth is published. See all 75 wells →
Frequently asked questions
How many wells does Cox John L operate?
Cox John L is the operator of record for 75 catalogued oil & gas wells, with the largest concentration in Oklahoma (71). Only wells in states WellCensus has ingested are counted.
How many of Cox John L's wells are still active?
0 of Cox John L's catalogued wells are active; 75 are plugged & abandoned.
In which states does Cox John L operate wells?
Cox John L is the operator of record for wells in Oklahoma (71), Montana (3) and Utah (1).
Does Cox John L operate mostly oil or gas wells?
16 of Cox John L's catalogued wells are oil wells and 8 are gas wells; the rest are injection, service or unclassified wells.
What is Cox John L's deepest well?
Among wells with a published depth, Box Elder 1 in Roosevelt, MT is the deepest at 7,775 ft.
Where Cox John L'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, “Cox John L — well portfolio”, https://wellcensus.com/operators/cox-john-l-1301 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).