Keiferassociates
Operator of record for 25 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Keiferassociates is the operator of record for 25 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 0 (0%) are plugged & abandoned. Its largest concentration is in Illinois, with 25 wells (100% of its portfolio).
Wells operated
25
Active
0
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 25 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Keiferassociates to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Keiferassociates operate?
Keiferassociates's catalogued wells are spread across 1 state: Illinois (25). Its 25 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 Keiferassociates’s wells are active, plugged or orphaned?
0% of Keiferassociates's catalogued wells are active, 29 percentage points below the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Keiferassociates operate?
By product class, 0 (0%) 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 MSD Chicago-Calumet Sys C-23 in Cook, IL at 540 ft.
Notable wells operated by Keiferassociates
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| MSD Chicago-Calumet Sys C-23 | 12-031-30362 | Other status | Other type | Cook, IL | KeiferAssociates | 540 ft |
| MSD Chicago-Calumet Sys C-38 | 12-031-30360 | Other status | Other type | Cook, IL | KeiferAssociates | 526 ft |
| MSD Chicago-Calumet Sys C-10 | 12-031-30359 | Other status | Other type | Cook, IL | KeiferAssociates | 522 ft |
| MSD Chicago-Calumet Sys C-42 | 12-031-30330 | Other status | Other type | Cook, IL | KeiferAssociates | 512 ft |
| MSD Chicago-Calumet Sys C-9 | 12-031-30358 | Other status | Other type | Cook, IL | KeiferAssociates | 509 ft |
| MSD Chicago-Calumet Sys C-60 | 12-031-31712 | Other status | Other type | Cook, IL | KeiferAssociates | 507 ft |
| MSD Chicago-Calumet Sys C-48 | 12-031-30352 | Other status | Other type | Cook, IL | KeiferAssociates | 502 ft |
| MSD Chicago-Calumet Sys C-63 | 12-031-30339 | Other status | Other type | Cook, IL | KeiferAssociates | 496 ft |
| MSD Chicago-Calumet Sys C-76 | 12-031-30356 | Other status | Other type | Cook, IL | KeiferAssociates | 486 ft |
| MSD Chicago-Calumet Sys C-52 | 12-031-30355 | Other status | Other type | Cook, IL | KeiferAssociates | 467 ft |
| MSD Chicago-Calumet Sys C-5 | 12-031-30337 | Other status | Other type | Cook, IL | KeiferAssociates | 460 ft |
| MSD Chicago-Calumet Sys C-78 | 12-031-30333 | Other status | Other type | Cook, IL | KeiferAssociates | 457 ft |
Deepest first where depth is published. See all 25 wells →
Frequently asked questions
How many wells does Keiferassociates operate?
Keiferassociates is the operator of record for 25 catalogued oil & gas wells, with the largest concentration in Illinois (25). Only wells in states WellCensus has ingested are counted.
How many of Keiferassociates's wells are still active?
0 of Keiferassociates's catalogued wells are active; 0 are plugged & abandoned.
In which states does Keiferassociates operate wells?
Keiferassociates is the operator of record for wells in Illinois (25).
Does Keiferassociates operate mostly oil or gas wells?
0 of Keiferassociates's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Keiferassociates's deepest well?
Among wells with a published depth, MSD Chicago-Calumet Sys C-23 in Cook, IL is the deepest at 540 ft.
Where Keiferassociates'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, “Keiferassociates — well portfolio”, https://wellcensus.com/operators/keiferassociates-95358 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).