Bollinger Ma
Operator of record for 6 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: BOLLINGER M A · Bollinger, M A
At a glance
Bollinger Ma is the operator of record for 6 catalogued U.S. oil & gas wells in 2 states. 3 (50%) are active, 1 (17%) plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Kansas, with 4 wells (67% of its portfolio).
Wells operated
6
Active
3
Plugged
1
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 4 |
| Oklahoma | 2 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 50%
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Claim your operator profileWhere does Bollinger Ma operate?
Bollinger Ma's catalogued wells are spread across 2 states: Kansas (4) and Oklahoma (2). Its 4 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 Bollinger Ma’s wells are active, plugged or orphaned?
50% of Bollinger Ma's catalogued wells are active, 21 percentage points above the national share of 29%. 17% are plugged & abandoned, against 47% nationally. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Bollinger Ma operate?
By product class, 3 (50%) 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 Allcorn 2 in Jefferson, KS at 1,685 ft. The wells listed below sit in Jefferson (KS) and Nowata (OK). 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 Bollinger Ma
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Allcorn 2 | 15-087-20153 | Active | Injection | Jefferson, KS | Bollinger, M A | 1,685 ft |
| Hafner 1 | 15-087-20111 | Plugged & abandoned | Oil | Jefferson, KS | Bollinger, M A | 1,596 ft |
| Allcorn 1 | 15-087-20151 | Orphaned | Oil | Jefferson, KS | Bollinger, M A | 1,563 ft |
| Allcorn 3 | 15-087-20180 | Orphaned | Oil | Jefferson, KS | Bollinger, M A | 1,529 ft |
| Harp #3 | 35-105-24898 | Active | Other type | Nowata, OK | Bollinger M A | — |
| Powell #5 | 35-105-25246 | Active | Other type | Nowata, OK | Bollinger M A | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Bollinger Ma operate?
Bollinger Ma is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Kansas (4). Only wells in states WellCensus has ingested are counted.
How many of Bollinger Ma's wells are still active?
3 of Bollinger Ma's catalogued wells are active; 1 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Bollinger Ma operate wells?
Bollinger Ma is the operator of record for wells in Kansas (4) and Oklahoma (2).
Does Bollinger Ma operate mostly oil or gas wells?
3 of Bollinger Ma's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Bollinger Ma's deepest well?
Among wells with a published depth, Allcorn 2 in Jefferson, KS is the deepest at 1,685 ft.
Where Bollinger Ma'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, “Bollinger Ma — well portfolio”, https://wellcensus.com/operators/bollinger-ma-7019 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).