Landmark Resources
Operator of record for 315 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: LANDMARK RESOURCES · Landmark Resources, Inc.
At a glance
Landmark Resources is the operator of record for 315 catalogued U.S. oil & gas wells in 2 states. 94 (30%) are active, 211 (67%) plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Kansas, with 313 wells (99% of its portfolio).
Wells operated
315
Active
94
Plugged
211
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 313 |
| Oklahoma | 2 |
Well mix
- Oil wells
- 132
- Gas wells
- 9
- Shut-in
- 2
- Active share
- 30%
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Claim Landmark Resources to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Landmark Resources operate?
Landmark Resources's catalogued wells are spread across 2 states: Kansas (313) and Oklahoma (2). Its 313 Kansas wells are 0.1% 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 Landmark Resources’s wells are active, plugged or orphaned?
30% of Landmark Resources's catalogued wells are active, close to the national share of 29%. 67% are plugged & abandoned, against 47% nationally. 2 wells (0.6%) are shut-in — unplugged but idle. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Landmark Resources operate?
By product class, 132 (42%) are oil wells and 9 (3%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Zane 1-18 in Clark, KS at 7,066 ft. The wells listed below sit in Clark (KS), Meade (KS), Seward (KS), Barber (KS) and Stevens (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 Landmark Resources
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Zane 1-18 | 15-025-21006 | Plugged & abandoned | Other type | Clark, KS | Landmark Resources, Inc. | 7,066 ft |
| Enns 'A' 1 | 15-119-20833 | Plugged & abandoned | Gas | Meade, KS | Landmark Resources, Inc. | 6,466 ft |
| Floyd 1-33 | 15-175-21321 | Active | Gas | Seward, KS | Landmark Resources, Inc. | 6,450 ft |
| Long 1 | 15-175-21352 | Active | Injection | Seward, KS | Landmark Resources, Inc. | 6,450 ft |
| Cook, J. V. 1-18 | 15-007-22434 | Plugged & abandoned | Gas | Barber, KS | Landmark Resources, Inc. | 6,411 ft |
| Floyd Unit 2 | 15-175-21493 | Active | Oil | Seward, KS | Landmark Resources, Inc. | 6,311 ft |
| Long-Branstine 1-33 | 15-175-21958 | Plugged & abandoned | Oil | Seward, KS | Landmark Resources, Inc. | 6,261 ft |
| Long-Branstine 2-33 | 15-175-22017 | Active | Gas | Seward, KS | Landmark Resources, Inc. | 6,250 ft |
| Kanco Properties 1 | 15-189-21593 | Plugged & abandoned | Gas | Stevens, KS | Landmark Resources, Inc. | 6,100 ft |
| Allison 1-15 | 15-119-20821 | Active | Gas | Meade, KS | Landmark Resources, Inc. | 6,100 ft |
| Wilson 1-1 | 15-119-20883 | Plugged & abandoned | Other type | Meade, KS | Landmark Resources, Inc. | 6,030 ft |
| Gabbert 1-34 | 15-025-21054 | Plugged & abandoned | Gas | Clark, KS | Landmark Resources, Inc. | 5,950 ft |
Deepest first where depth is published. See all 315 wells →
Frequently asked questions
How many wells does Landmark Resources operate?
Landmark Resources is the operator of record for 315 catalogued oil & gas wells, with the largest concentration in Kansas (313). Only wells in states WellCensus has ingested are counted.
How many of Landmark Resources's wells are still active?
94 of Landmark Resources's catalogued wells are active; 211 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Landmark Resources operate wells?
Landmark Resources is the operator of record for wells in Kansas (313) and Oklahoma (2).
Does Landmark Resources operate mostly oil or gas wells?
132 of Landmark Resources's catalogued wells are oil wells and 9 are gas wells; the rest are injection, service or unclassified wells.
What is Landmark Resources's deepest well?
Among wells with a published depth, Zane 1-18 in Clark, KS is the deepest at 7,066 ft.
Where Landmark Resources'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, “Landmark Resources — well portfolio”, https://wellcensus.com/operators/landmark-resources-13674 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).