Marmac Petroleum
Operator of record for 26 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Marmac Petroleum is the operator of record for 26 catalogued U.S. oil & gas wells in 1 state. 3 (12%) are active, 19 (73%) plugged & abandoned and 4 flagged as orphaned. Its largest concentration is in Kansas, with 26 wells (100% of its portfolio).
Wells operated
26
Active
3
Plugged
19
Orphaned
4
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 26 |
Well mix
- Oil wells
- 10
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 12%
Is this your company?
Claim Marmac Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Marmac Petroleum operate?
Marmac Petroleum's catalogued wells are spread across 1 state: Kansas (26). Its 26 Kansas wells are 0.0% of the 473,140 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 Marmac Petroleum’s wells are active, plugged or orphaned?
12% of Marmac Petroleum's catalogued wells are active, 17 percentage points below the national share of 29%. 73% 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 Marmac Petroleum operate?
By product class, 10 (38%) are oil wells and 1 (4%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is McCaustland 1 in Clark, KS at 5,372 ft. The wells listed below sit in Clark (KS), Ellsworth (KS), Pratt (KS), Barber (KS) and Graham (KS).
Notable wells operated by Marmac Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| McCaustland 1 | 15-025-20281 | Plugged & abandoned | Gas | Clark, KS | Marmac Petroleum Company | 5,372 ft |
| Kootz 1 | 15-053-21075 | Plugged & abandoned | Other type | Ellsworth, KS | Marmac Petroleum Company | 5,360 ft |
| Irene 2 | 15-151-01002 | Plugged & abandoned | Other type | Pratt, KS | Marmac Petroleum Company | 4,767 ft |
| Larrison 'A' 1 | 15-151-21648 | Plugged & abandoned | Other type | Pratt, KS | Marmac Petroleum Company | 4,750 ft |
| Flora 1-24 | 15-151-21571 | Plugged & abandoned | Other type | Pratt, KS | Marmac Petroleum Company | 4,715 ft |
| Riffey 1 | 15-151-21998 | Plugged & abandoned | Oil | Pratt, KS | Marmac Petroleum Company | 4,708 ft |
| Smith Minnie 'B' 1 | 15-007-22126 | Plugged & abandoned | Other type | Barber, KS | Marmac Petroleum Company | 4,650 ft |
| McLean 1 | 15-151-21778 | Plugged & abandoned | Oil | Pratt, KS | Marmac Petroleum Company | 4,644 ft |
| Adams-Rankin 1 | 15-007-01030 | Plugged & abandoned | Oil | Barber, KS | Marmac Petroleum Company | 4,536 ft |
| Knoll 'B' 1 | 15-065-00801 | Active | Oil | Graham, KS | Marmac Petroleum Company | 4,230 ft |
| Gustafson 'C' 3 | 15-065-01830 | Active | Oil | Graham, KS | Marmac Petroleum Company | 3,902 ft |
| Gustafson 'C' 1 | 15-065-00604 | Active | Oil | Graham, KS | Marmac Petroleum Company | 3,897 ft |
Deepest first where depth is published. See all 26 wells →
Frequently asked questions
How many wells does Marmac Petroleum operate?
Marmac Petroleum is the operator of record for 26 catalogued oil & gas wells, with the largest concentration in Kansas (26). Only wells in states WellCensus has ingested are counted.
How many of Marmac Petroleum's wells are still active?
3 of Marmac Petroleum's catalogued wells are active; 19 are plugged & abandoned and 4 are flagged as orphaned.
In which states does Marmac Petroleum operate wells?
Marmac Petroleum is the operator of record for wells in Kansas (26).
Does Marmac Petroleum operate mostly oil or gas wells?
10 of Marmac Petroleum's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Marmac Petroleum's deepest well?
Among wells with a published depth, McCaustland 1 in Clark, KS is the deepest at 5,372 ft.
Where Marmac Petroleum'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, “Marmac Petroleum — well portfolio”, https://wellcensus.com/operators/marmac-petroleum-77651 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).