Bertram F & Siepelak W
Operator of record for 8 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Bertram F & Siepelak W is the operator of record for 8 catalogued U.S. oil & gas wells in 1 state. 1 (13%) are active, 7 (88%) plugged & abandoned. Its largest concentration is in Illinois, with 8 wells (100% of its portfolio).
Wells operated
8
Active
1
Plugged
7
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 8 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 13%
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Claim your operator profileWhere does Bertram F & Siepelak W operate?
Bertram F & Siepelak W's catalogued wells are spread across 1 state: Illinois (8). Its 8 Illinois wells are 0.0% of the 174,478 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 Bertram F & Siepelak W’s wells are active, plugged or orphaned?
13% of Bertram F & Siepelak W's catalogued wells are active, 16 percentage points below the national share of 29%. 88% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Bertram F & Siepelak W operate?
By product class, 5 (63%) 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 Medler-Wilson 1 in Wayne, IL at 3,392 ft. The wells listed below sit in Wayne (IL), Wabash (IL) and Christian (IL).
Notable wells operated by Bertram F & Siepelak W
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Medler-Wilson 1 | 12-191-00672 | Plugged & abandoned | Other type | Wayne, IL | Bertram, F & Siepelak, W | 3,392 ft |
| Medler-Wilson 1 | 12-191-01663 | Active | Oil | Wayne, IL | Bertram, F & Siepelak, W | 3,389 ft |
| Rogers Consol 1 | 12-191-05927 | Plugged & abandoned | Oil | Wayne, IL | Bertram, F & Siepelak, W | 3,141 ft |
| Buckeye Scott Cons 1 | 12-191-01312 | Plugged & abandoned | Oil | Wayne, IL | Bertram, F & Siepelak, W | 3,101 ft |
| Scott Clarence 1 | 12-191-05936 | Plugged & abandoned | Oil | Wayne, IL | Bertram, F & Siepelak, W | 3,100 ft |
| Scott, B. 3 | 12-191-05938 | Plugged & abandoned | Injection | Wayne, IL | Bertram, F & Siepelak, W | 3,099 ft |
| Dunkel Norman Etal 2 | 12-185-01585 | Plugged & abandoned | Other type | Wabash, IL | Bertram, F & Siepelak, W | 2,465 ft |
| Rhoads 1 | 12-021-01378 | Plugged & abandoned | Oil | Christian, IL | Bertram, F & Siepelak, W | 2,410 ft |
Deepest first where depth is published. See all 8 wells →
Frequently asked questions
How many wells does Bertram F & Siepelak W operate?
Bertram F & Siepelak W is the operator of record for 8 catalogued oil & gas wells, with the largest concentration in Illinois (8). Only wells in states WellCensus has ingested are counted.
How many of Bertram F & Siepelak W's wells are still active?
1 of Bertram F & Siepelak W's catalogued wells are active; 7 are plugged & abandoned.
In which states does Bertram F & Siepelak W operate wells?
Bertram F & Siepelak W is the operator of record for wells in Illinois (8).
Does Bertram F & Siepelak W operate mostly oil or gas wells?
5 of Bertram F & Siepelak W's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Bertram F & Siepelak W's deepest well?
Among wells with a published depth, Medler-Wilson 1 in Wayne, IL is the deepest at 3,392 ft.
Where Bertram F & Siepelak W'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, “Bertram F & Siepelak W — well portfolio”, https://wellcensus.com/operators/bertram-f-siepelak-w-92082 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).