Sheffer Dennis Equipment
Operator of record for 14 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Sheffer Dennis Equipment is the operator of record for 14 catalogued U.S. oil & gas wells in 1 state. 5 (36%) are active, 8 (57%) plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in Illinois, with 14 wells (100% of its portfolio).
Wells operated
14
Active
5
Plugged
8
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 14 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 36%
Is this your company?
Claim Sheffer Dennis Equipment to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Sheffer Dennis Equipment operate?
Sheffer Dennis Equipment's catalogued wells are spread across 1 state: Illinois (14). Its 14 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 Sheffer Dennis Equipment’s wells are active, plugged or orphaned?
36% of Sheffer Dennis Equipment's catalogued wells are active, 7 percentage points above the national share of 29%. 57% 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 Sheffer Dennis Equipment operate?
By product class, 4 (29%) 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 Gault-Stevens 1 in White, IL at 3,553 ft. The wells listed below sit in White (IL), Edwards (IL), Wayne (IL) and Hamilton (IL).
Notable wells operated by Sheffer Dennis Equipment
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Gault-Stevens 1 | 12-193-29372 | Plugged & abandoned | Other type | White, IL | Sheffer, Dennis Equipment | 3,553 ft |
| Upton, H. T. 3 | 12-193-28911 | Active | Oil | White, IL | Sheffer, Dennis Equipment | 3,545 ft |
| Deischer 1 | 12-047-22674 | Plugged & abandoned | Injection | Edwards, IL | Sheffer, Dennis Equipment | 3,402 ft |
| Silverman 1 | 12-191-00258 | Plugged & abandoned | Injection | Wayne, IL | Sheffer, Dennis Equipment | 3,369 ft |
| Ayer, Lou Ann 1 | 12-193-07208 | Active | Oil | White, IL | Sheffer, Dennis Equipment | 3,208 ft |
| Stokes Comm. 1 | 12-193-31821 | Active | Oil | White, IL | Sheffer, Dennis Equipment | 3,046 ft |
| Campbell, Frank 1 | 12-065-00215 | Plugged & abandoned | Other type | Hamilton, IL | Sheffer, Dennis Equipment | 2,968 ft |
| Ayer, Lou Ann 2 | 12-193-31530 | Plugged & abandoned | Other type | White, IL | Sheffer, Dennis Equipment | 2,866 ft |
| Webb, J. 1 | 12-065-00225 | Plugged & abandoned | Other type | Hamilton, IL | Sheffer, Dennis Equipment | 2,850 ft |
| Stokes, Mitchell etal 1-B | 12-193-31498 | Active | Oil | White, IL | Sheffer, Dennis Equipment | 2,843 ft |
| Stokes Community 2-SWD | 12-193-00506 | Active | Injection | White, IL | Sheffer, Dennis Equipment | 1,720 ft |
| Campbell, F. 2 | 12-065-03302 | Plugged & abandoned | Other type | Hamilton, IL | Sheffer, Dennis Equipment | 1,515 ft |
Deepest first where depth is published. See all 14 wells →
Frequently asked questions
How many wells does Sheffer Dennis Equipment operate?
Sheffer Dennis Equipment is the operator of record for 14 catalogued oil & gas wells, with the largest concentration in Illinois (14). Only wells in states WellCensus has ingested are counted.
How many of Sheffer Dennis Equipment's wells are still active?
5 of Sheffer Dennis Equipment's catalogued wells are active; 8 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Sheffer Dennis Equipment operate wells?
Sheffer Dennis Equipment is the operator of record for wells in Illinois (14).
Does Sheffer Dennis Equipment operate mostly oil or gas wells?
4 of Sheffer Dennis Equipment's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Sheffer Dennis Equipment's deepest well?
Among wells with a published depth, Gault-Stevens 1 in White, IL is the deepest at 3,553 ft.
Where Sheffer Dennis Equipment'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, “Sheffer Dennis Equipment — well portfolio”, https://wellcensus.com/operators/sheffer-dennis-equipment-66504 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).