Spiller Hg
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Spiller Hg is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. 2 (33%) are active, 2 (33%) plugged & abandoned. Its largest concentration is in Illinois, with 6 wells (100% of its portfolio).
Wells operated
6
Active
2
Plugged
2
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 6 |
Well mix
- Oil wells
- 2
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 33%
Is this your company?
Claim Spiller Hg to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Spiller Hg operate?
Spiller Hg'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 Spiller Hg’s wells are active, plugged or orphaned?
33% of Spiller Hg's catalogued wells are active, 4 percentage points above the national share of 29%. 33% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Spiller Hg operate?
By product class, 2 (33%) 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 Gray Howard 2 in White, IL at 3,385 ft. The wells listed below sit in White (IL), Pope (IL) and Saline (IL).
Notable wells operated by Spiller Hg
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Gray Howard 2 | 12-193-03481 | Plugged & abandoned | Other type | White, IL | Spiller H G | 3,385 ft |
| Gray 1 | 12-193-03479 | Active | Oil | White, IL | Spiller H G | 3,260 ft |
| Gill Heirs 1 | 12-193-03504 | Active | Oil | White, IL | Spiller H G | 3,237 ft |
| Holderby 1 | 12-193-05036 | Plugged & abandoned | Other type | White, IL | Spiller H G | 3,222 ft |
| Shelby 1 | 12-151-00203 | Other status | Other type | Pope, IL | Spiller H G | 260 ft |
| Sisk, Ada B. 1-B | 12-165-27086 | Other status | Other type | Saline, IL | Spiller H G | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Spiller Hg operate?
Spiller Hg 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 Spiller Hg's wells are still active?
2 of Spiller Hg's catalogued wells are active; 2 are plugged & abandoned.
In which states does Spiller Hg operate wells?
Spiller Hg is the operator of record for wells in Illinois (6).
Does Spiller Hg operate mostly oil or gas wells?
2 of Spiller Hg's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Spiller Hg's deepest well?
Among wells with a published depth, Gray Howard 2 in White, IL is the deepest at 3,385 ft.
Where Spiller Hg'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, “Spiller Hg — well portfolio”, https://wellcensus.com/operators/spiller-hg-108237 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).