Oil & gas wells in Union County, KY
4,341 catalogued wells in Union County, Kentucky, from the state regulator registry and the federal orphaned-well inventory.
Dataset updated . Derived from public data sources.
At a glance
Union County, Kentucky has 4,341 catalogued oil & gas wells: 1,095 active (25%), 2,027 plugged & abandoned (47%) and 170 documented orphans. It ranks 17th of the 90 Kentucky counties WellCensus profiles by well count and holds 2% of the state's 201,022 catalogued wells.
Catalogued wells
4,341
Active
1,095
Plugged
2,027
Documented orphans
170
What is the status of oil and gas wells in Union County?
25% of Union County's wells are active, close to the Kentucky share of 27%. 47% are plugged & abandoned, against 39% statewide and 47% nationally. 1 wells (0.0%) are shut-in — unplugged but idle. 170 wells (4%) are documented orphans with no operator able to plug them, compared with 8% across Kentucky and 4% nationally. The remaining 1,048 carry status codes outside those classes, such as permitted or cancelled locations.
What kinds of wells are in Union County?
By product class, 1,677 of the county's wells (39%) are oil wells, 20 (0.5%) gas wells and 146 (3%) injection wells. Statewide the oil share is 25% and the gas share 15%. The deepest total depth published for a Union County well is 8,626 ft, against 16,108 ft for Kentucky as a whole. 90% of the county's wells carry coordinates and appear on the map.
How does Union County compare with other Kentucky counties?
Union County has the 17th-most catalogued wells of the 90 Kentucky counties with at least 25. The median Kentucky county on WellCensus has 941 wells. The largest, Ohio County, has 11,631. By documented orphans it ranks 28th in Kentucky.
Who operates wells in Union County?
689 distinct operators of record are linked to wells in Union County. 97% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.
Wells in Union County
🔒 Create a free account to export CSV| Well | API # / state ID | Status | Type | Operator |
|---|---|---|---|---|
| Obrien, H E 1 | 16-059-00420 | Plugged & abandoned | Other type | Haley Oil Company |
| O''Bryan, R L 2 | 16-059-03972 | Plugged & abandoned | Other type | Miller, J C & Ashland Oil Co |
| Mcbride, S S 11 | 16-225-00715 | Plugged & abandoned | Oil | Sun Oil Co |
| Mc Kinney, Sloan 3 | 16-225-00360 | Active | Oil | Sun Oil Co |
| Mc Kinney, Sloan 5 | KGS record 2038567 | Other status | Other type | Sun Oil Co |
| Mc Murray, T G 8 | KGS record 2038575 | Other status | Other type | Cantrell, Bill G |
| Collins, B 10 | KGS record 2038709 | Plugged & abandoned | Other type | Calstar Petroleum Co |
| Well API 16-225-02912 | 16-225-02912 | Other status | Other type | Unknown |
| Well API 16-225-02953 | 16-225-02953 | Other status | Other type | Unknown |
| Well API 16-225-03081 | 16-225-03081 | Other status | Other type | Unknown |
| Well API 16-225-03096 | 16-225-03096 | Other status | Other type | Unknown |
| Well API 16-225-03104 | 16-225-03104 | Other status | Other type | Unknown |
| Well API 16-225-03241 | 16-225-03241 | Other status | Other type | Unknown |
| Well API 16-225-03242 | 16-225-03242 | Other status | Other type | Unknown |
| Well API 16-225-03246 | 16-225-03246 | Other status | Other type | Unknown |
| Well API 16-225-03247 | 16-225-03247 | Other status | Other type | Unknown |
| Well API 16-225-03257 | 16-225-03257 | Other status | Other type | Unknown |
| Well API 16-225-03266 | 16-225-03266 | Other status | Other type | Unknown |
| Well API 16-225-03239 | 16-225-03239 | Other status | Other type | Unknown |
| Well API 16-225-03262 | 16-225-03262 | Other status | Other type | Unknown |
| Well API 16-225-03098 | 16-225-03098 | Other status | Other type | Unknown |
| Well API 16-225-03135 | 16-225-03135 | Other status | Other type | Unknown |
| Well API 16-225-03105 | 16-225-03105 | Other status | Other type | Unknown |
| Well API 16-225-03250 | 16-225-03250 | Other status | Other type | Unknown |
| Well API 16-225-03268 | 16-225-03268 | Other status | Other type | Payne, H Jennings Dba Payne Bros |
A sample of the county’s wells — every catalogued well has its own page. Browse all 4,341 in search → (filter by operator, status and type, then export), or find a specific well on the live map.
Frequently asked questions
How many oil and gas wells are in Union County, KY?
Union County, Kentucky has 4,341 catalogued oil & gas wells: 1,095 active, 2,027 plugged and 170 documented orphans.
How many orphaned wells are in Union County?
170 wells in Union County, Kentucky are documented orphans — unplugged with no solvent operator of record, the 28th-highest count among Kentucky counties.
What share of wells in Union County are plugged?
2,027 of Union County's 4,341 catalogued wells (47%) are plugged & abandoned, compared with 39% across Kentucky.
Which Kentucky county has the most oil and gas wells?
Ohio County has the most catalogued wells of any Kentucky county on WellCensus (11,631); Union County ranks 17th with 4,341.
How many companies operate wells in Union County?
689 distinct operators of record are linked to catalogued wells in Union County, Kentucky.
Nearby in the Kentucky rankings
About this data
Source: Kentucky Geological Survey well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Oil & gas wells in Union County, Kentucky”, https://wellcensus.com/wells/kentucky/union (data as of October 10, 2026).