Gillespie
Operator of record for 54 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Gillespie is the operator of record for 54 catalogued U.S. oil & gas wells in 1 state. 21 (39%) are active, 5 (9%) plugged & abandoned. Its largest concentration is in Illinois, with 54 wells (100% of its portfolio).
Wells operated
54
Active
21
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 54 |
Well mix
- Oil wells
- 22
- Gas wells
- 0
- Shut-in
- 15
- Active share
- 39%
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Claim your operator profileWhere does Gillespie operate?
Gillespie's catalogued wells are spread across 1 state: Illinois (54). Its 54 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 Gillespie’s wells are active, plugged or orphaned?
39% of Gillespie's catalogued wells are active, 10 percentage points above the national share of 29%. 9% are plugged & abandoned, against 47% nationally. 15 wells (28%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Gillespie operate?
By product class, 22 (41%) 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 Lester 1 in Lawrence, IL at 1,768 ft. The wells listed below sit in Lawrence (IL) and Crawford (IL).
Notable wells operated by Gillespie
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Lester 1 | 12-101-09603 | Other status | Other type | Lawrence, IL | Gillespie | 1,768 ft |
| Groves 1 | 12-101-04275 | Active | Oil | Lawrence, IL | Gillespie | 1,759 ft |
| Rhodes, A.H. 1 | 12-033-17589 | Shut-in | Other type | Crawford, IL | Gillespie | 1,698 ft |
| Lester 1-B | 12-101-04278 | Active | Oil | Lawrence, IL | Gillespie | 1,685 ft |
| Hipshire 1 | 12-101-04277 | Active | Oil | Lawrence, IL | Gillespie | 1,683 ft |
| Lester 2 | 12-101-04279 | Active | Oil | Lawrence, IL | Gillespie | 1,680 ft |
| Buchanan 2 | 12-101-10559 | Plugged & abandoned | Other type | Lawrence, IL | Gillespie | 1,651 ft |
| Stansfield, J. T. 1 | 12-101-07990 | Active | Oil | Lawrence, IL | Gillespie | 1,610 ft |
| Barnes, J.N. 33 | 12-033-16072 | Other status | Other type | Crawford, IL | Gillespie | 1,568 ft |
| Smith, Oscar 24 | 12-101-09977 | Active | Oil | Lawrence, IL | Gillespie | 1,561 ft |
| Smith, Oscar 28 | 12-101-09980 | Active | Oil | Lawrence, IL | Gillespie | 1,535 ft |
| Smith, Oscar 23 | 12-101-09976 | Active | Oil | Lawrence, IL | Gillespie | 1,473 ft |
Deepest first where depth is published. See all 54 wells →
Frequently asked questions
How many wells does Gillespie operate?
Gillespie is the operator of record for 54 catalogued oil & gas wells, with the largest concentration in Illinois (54). Only wells in states WellCensus has ingested are counted.
How many of Gillespie's wells are still active?
21 of Gillespie's catalogued wells are active; 5 are plugged & abandoned.
In which states does Gillespie operate wells?
Gillespie is the operator of record for wells in Illinois (54).
Does Gillespie operate mostly oil or gas wells?
22 of Gillespie's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Gillespie's deepest well?
Among wells with a published depth, Lester 1 in Lawrence, IL is the deepest at 1,768 ft.
Where Gillespie'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, “Gillespie — well portfolio”, https://wellcensus.com/operators/gillespie-92343 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).