Haas Mark L
Operator of record for 139 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Haas Mark L is the operator of record for 139 catalogued U.S. oil & gas wells in 1 state. 4 (3%) are active, 74 (53%) plugged & abandoned and 12 flagged as orphaned. Its largest concentration is in Kansas, with 139 wells (100% of its portfolio).
Wells operated
139
Active
4
Plugged
74
Orphaned
12
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 139 |
Well mix
- Oil wells
- 61
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 3%
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Claim your operator profileWhere does Haas Mark L operate?
Haas Mark L's catalogued wells are spread across 1 state: Kansas (139). Its 139 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 Haas Mark L’s wells are active, plugged or orphaned?
3% of Haas Mark L's catalogued wells are active, 26 percentage points below the national share of 29%. 53% are plugged & abandoned, against 47% nationally. 12 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Haas Mark L operate?
By product class, 61 (44%) 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 Birkett 24 in Greenwood, KS at 2,925 ft. The wells listed below sit in Greenwood (KS), Woodson (KS) and Coffey (KS).
Notable wells operated by Haas Mark L
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Birkett 24 | 15-073-20897 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,925 ft |
| Welch 'A' 12 | 15-073-91016 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,460 ft |
| Welch 'A' 17 | 15-073-91067 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,455 ft |
| Birkett 20 | 15-073-91069 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,435 ft |
| Birkett 12 | 15-073-91056 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,430 ft |
| Welch 'A' 1 | 15-073-91288 | Plugged & abandoned | Injection | Greenwood, KS | Haas, Mark L. | 2,429 ft |
| Maclaskey A 9 | 15-207-00113 | Plugged & abandoned | Injection | Woodson, KS | Haas, Mark L. | 2,252 ft |
| Joe Bahr 20 | 15-031-20294 | Plugged & abandoned | Oil | Coffey, KS | Haas, Mark L. | 2,180 ft |
| H. O. Kimbell 2-T | 15-207-26093 | Other status | Oil | Woodson, KS | Haas, Mark L. | 1,750 ft |
| H. O. Kimbell 1-T | 15-207-26013 | Other status | Oil | Woodson, KS | Haas, Mark L. | 1,750 ft |
| H. O. Kimbell 4-T | 15-207-26090 | Other status | Oil | Woodson, KS | Haas, Mark L. | 1,750 ft |
| H. O. Kimbell 3-T | 15-207-26094 | Other status | Oil | Woodson, KS | Haas, Mark L. | 1,750 ft |
Deepest first where depth is published. See all 139 wells →
Frequently asked questions
How many wells does Haas Mark L operate?
Haas Mark L is the operator of record for 139 catalogued oil & gas wells, with the largest concentration in Kansas (139). Only wells in states WellCensus has ingested are counted.
How many of Haas Mark L's wells are still active?
4 of Haas Mark L's catalogued wells are active; 74 are plugged & abandoned and 12 are flagged as orphaned.
In which states does Haas Mark L operate wells?
Haas Mark L is the operator of record for wells in Kansas (139).
Does Haas Mark L operate mostly oil or gas wells?
61 of Haas Mark L's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Haas Mark L's deepest well?
Among wells with a published depth, Birkett 24 in Greenwood, KS is the deepest at 2,925 ft.
Where Haas Mark L'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, “Haas Mark L — well portfolio”, https://wellcensus.com/operators/haas-mark-l-82179 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).