Mark Oil
Operator of record for 17 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: MARK OIL CO · Mark Oil, Inc.
At a glance
Mark Oil is the operator of record for 17 catalogued U.S. oil & gas wells in 2 states. 1 (6%) are active, 11 (65%) plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in Kentucky, with 9 wells (53% of its portfolio).
Wells operated
17
Active
1
Plugged
11
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| Kentucky | 9 |
| Kansas | 8 |
Well mix
- Oil wells
- 10
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 6%
Is this your company?
Claim Mark Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mark Oil operate?
Mark Oil's catalogued wells are spread across 2 states: Kentucky (9) and Kansas (8). Its 9 Kentucky wells are 0.0% of the 201,022 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 Mark Oil’s wells are active, plugged or orphaned?
6% of Mark Oil's catalogued wells are active, 23 percentage points below the national share of 29%. 65% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Mark Oil operate?
By product class, 10 (59%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Kinney, W F 2b in Mclean, KY at 2,400 ft. The wells listed below sit in Mclean (KY), Daviess (KY) and Woodson (KS). 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 Mark Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Kinney, W F 2b | 16-149-00712 | Orphaned | Other type | Mclean, KY | Mark Oil Co | 2,400 ft |
| Sandefur, Jerry 1 | 16-059-01143 | Plugged & abandoned | Other type | Daviess, KY | Mark Oil Co | 2,175 ft |
| Sandefur, Jerry 2 | 16-059-01144 | Plugged & abandoned | Other type | Daviess, KY | Mark Oil Co | 2,175 ft |
| Kinney, W F 1 | 16-149-00711 | Orphaned | Oil | Mclean, KY | Mark Oil Co | 2,028 ft |
| Corum, Harry 1 | 16-149-01134 | Active | Oil | Mclean, KY | Mark Oil Co | 1,986 ft |
| Corum, Gertie 1 | 16-149-00104 | Orphaned | Oil | Mclean, KY | Mark Oil Co | 1,950 ft |
| Albert-Lair 8-12 | 15-207-28452 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,283 ft |
| Albert-Lair 7-10 | 15-207-27742 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,242 ft |
| R. Albert 3 | 15-207-22308 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,225 ft |
| R. Albert 1 | 15-207-21500 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,225 ft |
| R. Albert 6 | 15-207-22968 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,225 ft |
| R. Albert 4 | 15-207-22498 | Plugged & abandoned | Oil | Woodson, KS | Mark Oil, Inc. | 1,225 ft |
Deepest first where depth is published. See all 17 wells →
Frequently asked questions
How many wells does Mark Oil operate?
Mark Oil is the operator of record for 17 catalogued oil & gas wells, with the largest concentration in Kentucky (9). Only wells in states WellCensus has ingested are counted.
How many of Mark Oil's wells are still active?
1 of Mark Oil's catalogued wells are active; 11 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Mark Oil operate wells?
Mark Oil is the operator of record for wells in Kentucky (9) and Kansas (8).
Does Mark Oil operate mostly oil or gas wells?
10 of Mark Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Mark Oil's deepest well?
Among wells with a published depth, Kinney, W F 2b in Mclean, KY is the deepest at 2,400 ft.
Where Mark 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, “Mark Oil — well portfolio”, https://wellcensus.com/operators/mark-oil-68978 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).