Walker Mark K
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Walker Mark K is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 3 (60%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Oklahoma, with 5 wells (100% of its portfolio).
Wells operated
5
Active
0
Plugged
3
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 5 |
Well mix
- Oil wells
- 1
- Gas wells
- 3
- Shut-in
- 0
- Active share
- 0%
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Claim Walker Mark K to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Walker Mark K operate?
Walker Mark K's catalogued wells are spread across 1 state: Oklahoma (5). Its 5 Oklahoma wells are 0.0% of the 456,595 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 Walker Mark K’s wells are active, plugged or orphaned?
0% of Walker Mark K's catalogued wells are active, 29 percentage points below the national share of 29%. 60% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Walker Mark K operate?
By product class, 1 (20%) are oil wells and 3 (60%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Mcintosh (OK), Okmulgee (OK) and Tulsa (OK).
Notable wells operated by Walker Mark K
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Edmonds #1 | 35-091-20611 | Orphaned | Gas | Mcintosh, OK | Walker Mark K | — |
| Hart #6-14 | 35-111-26074 | Other status | Gas | Okmulgee, OK | Walker Mark K | — |
| Francis #1 | 35-143-23443 | Plugged & abandoned | Oil | Tulsa, OK | Walker Mark K | — |
| Francis #10 | 35-143-23686 | Plugged & abandoned | Gas | Tulsa, OK | Walker Mark K | — |
| Frances #2 | 35-143-23956 | Plugged & abandoned | Injection | Tulsa, OK | Walker Mark K | — |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Walker Mark K operate?
Walker Mark K is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Oklahoma (5). Only wells in states WellCensus has ingested are counted.
How many of Walker Mark K's wells are still active?
0 of Walker Mark K's catalogued wells are active; 3 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Walker Mark K operate wells?
Walker Mark K is the operator of record for wells in Oklahoma (5).
Does Walker Mark K operate mostly oil or gas wells?
1 of Walker Mark K's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.
Where Walker Mark K'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, “Walker Mark K — well portfolio”, https://wellcensus.com/operators/walker-mark-k-6569 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).