South State Dev
Operator of record for 1 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
South State Dev is the operator of record for 1 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 1 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 1 wells (100% of its portfolio).
Wells operated
1
Active
0
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 1 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim South State Dev to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does South State Dev operate?
South State Dev's catalogued wells are spread across 1 state: Illinois (1). Its 1 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 South State Dev’s wells are active, plugged or orphaned?
0% of South State Dev's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does South State Dev 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 Grubb Wm L 1 in Wayne, IL at 3,434 ft.
Notable wells operated by South State Dev
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Grubb Wm L 1 | 12-191-00200 | Plugged & abandoned | Other type | Wayne, IL | South State Dev | 3,434 ft |
Deepest first where depth is published. See all 1 wells →
Frequently asked questions
How many wells does South State Dev operate?
South State Dev is the operator of record for 1 catalogued oil & gas wells, with the largest concentration in Illinois (1). Only wells in states WellCensus has ingested are counted.
How many of South State Dev's wells are still active?
0 of South State Dev's catalogued wells are active; 1 are plugged & abandoned.
In which states does South State Dev operate wells?
South State Dev is the operator of record for wells in Illinois (1).
Does South State Dev operate mostly oil or gas wells?
0 of South State Dev's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is South State Dev's deepest well?
Among wells with a published depth, Grubb Wm L 1 in Wayne, IL is the deepest at 3,434 ft.
Where South State Dev'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, “South State Dev — well portfolio”, https://wellcensus.com/operators/south-state-dev-112375 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).