S & W Drlg
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
S & W Drlg is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. 1 (17%) are active, 5 (83%) plugged & abandoned. Its largest concentration is in Illinois, with 6 wells (100% of its portfolio).
Wells operated
6
Active
1
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 6 |
Well mix
- Oil wells
- 3
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 17%
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Claim your operator profileWhere does S & W Drlg operate?
S & W Drlg's catalogued wells are spread across 1 state: Illinois (6). Its 6 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 S & W Drlg’s wells are active, plugged or orphaned?
17% of S & W Drlg's catalogued wells are active, 12 percentage points below the national share of 29%. 83% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does S & W Drlg 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 Knostman 3 in Clinton, IL at 1,425 ft. The wells listed below sit in Clinton (IL), Morgan (IL) and Fayette (IL).
Notable wells operated by S & W Drlg
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Knostman 3 | 12-027-04150 | Plugged & abandoned | Other type | Clinton, IL | S & W Drlg. Co. | 1,425 ft |
| Knostman 1 | 12-027-03404 | Active | Oil | Clinton, IL | S & W Drlg. Co. | 826 ft |
| York, Clyde 1 | 12-137-20659 | Plugged & abandoned | Oil | Morgan, IL | S & W Drlg. Co. | 624 ft |
| Wohlers 2 | 12-137-00632 | Plugged & abandoned | Oil | Morgan, IL | S & W Drlg. Co. | 294 ft |
| Rhodes Unit 1-A | 12-051-01273 | Plugged & abandoned | Injection | Fayette, IL | S & W Drlg. Co. | — |
| Rhodes 2-A | 12-051-01276 | Plugged & abandoned | Injection | Fayette, IL | S & W Drlg. Co. | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does S & W Drlg operate?
S & W Drlg is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in Illinois (6). Only wells in states WellCensus has ingested are counted.
How many of S & W Drlg's wells are still active?
1 of S & W Drlg's catalogued wells are active; 5 are plugged & abandoned.
In which states does S & W Drlg operate wells?
S & W Drlg is the operator of record for wells in Illinois (6).
Does S & W Drlg operate mostly oil or gas wells?
3 of S & W Drlg's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is S & W Drlg's deepest well?
Among wells with a published depth, Knostman 3 in Clinton, IL is the deepest at 1,425 ft.
Where S & W Drlg'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, “S & W Drlg — well portfolio”, https://wellcensus.com/operators/s-w-drlg-94741 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).