Yost Oil Operations
Operator of record for 27 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Yost Oil Operations is the operator of record for 27 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 24 (89%) are plugged & abandoned. Its largest concentration is in Kansas, with 27 wells (100% of its portfolio).
Wells operated
27
Active
0
Plugged
24
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 27 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Yost Oil Operations to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Yost Oil Operations operate?
Yost Oil Operations's catalogued wells are spread across 1 state: Kansas (27). Its 27 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 Yost Oil Operations’s wells are active, plugged or orphaned?
0% of Yost Oil Operations's catalogued wells are active, 29 percentage points below the national share of 29%. 89% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Yost Oil Operations operate?
By product class, 4 (15%) 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 Maddock 1 in Thomas, KS at 4,537 ft. The wells listed below sit in Thomas (KS), Rush (KS), Pawnee (KS), Graham (KS), Ellis (KS) and Rooks (KS).
Notable wells operated by Yost Oil Operations
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Maddock 1 | 15-193-20427 | Plugged & abandoned | Other type | Thomas, KS | Yost Oil Operations, Inc. | 4,537 ft |
| Schlegel 1 | 15-165-21279 | Plugged & abandoned | Other type | Rush, KS | Yost Oil Operations, Inc. | 4,482 ft |
| Giles 1 | 15-145-21136 | Plugged & abandoned | Other type | Pawnee, KS | Yost Oil Operations, Inc. | 4,350 ft |
| Pfeifer 1 | 15-065-22045 | Plugged & abandoned | Other type | Graham, KS | Yost Oil Operations, Inc. | 4,070 ft |
| Waldt 1 | 15-065-21810 | Plugged & abandoned | Other type | Graham, KS | Yost Oil Operations, Inc. | 4,040 ft |
| Bortz 1 | 15-165-21103 | Plugged & abandoned | Other type | Rush, KS | Yost Oil Operations, Inc. | 3,925 ft |
| Bemis 1 | 15-051-24117 | Plugged & abandoned | Other type | Ellis, KS | Yost Oil Operations, Inc. | 3,917 ft |
| Schmeidler 1 | 15-051-23765 | Plugged & abandoned | Other type | Ellis, KS | Yost Oil Operations, Inc. | 3,910 ft |
| Lang A 1 | 15-051-23766 | Plugged & abandoned | Other type | Ellis, KS | Yost Oil Operations, Inc. | 3,905 ft |
| DeYoung 'B' 1 | 15-065-21953 | Plugged & abandoned | Other type | Graham, KS | Yost Oil Operations, Inc. | 3,870 ft |
| Kirkman 1 | 15-051-23749 | Plugged & abandoned | Other type | Ellis, KS | Yost Oil Operations, Inc. | 3,855 ft |
| Morris 1 | 15-163-22014 | Plugged & abandoned | Other type | Rooks, KS | Yost Oil Operations, Inc. | 3,840 ft |
Deepest first where depth is published. See all 27 wells →
Frequently asked questions
How many wells does Yost Oil Operations operate?
Yost Oil Operations is the operator of record for 27 catalogued oil & gas wells, with the largest concentration in Kansas (27). Only wells in states WellCensus has ingested are counted.
How many of Yost Oil Operations's wells are still active?
0 of Yost Oil Operations's catalogued wells are active; 24 are plugged & abandoned.
In which states does Yost Oil Operations operate wells?
Yost Oil Operations is the operator of record for wells in Kansas (27).
Does Yost Oil Operations operate mostly oil or gas wells?
4 of Yost Oil Operations's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Yost Oil Operations's deepest well?
Among wells with a published depth, Maddock 1 in Thomas, KS is the deepest at 4,537 ft.
Where Yost Oil Operations'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, “Yost Oil Operations — well portfolio”, https://wellcensus.com/operators/yost-oil-operations-77904 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).