Cent Refining
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Cent Refining is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. 2 (33%) are active, 4 (67%) plugged & abandoned. Its largest concentration is in Illinois, with 6 wells (100% of its portfolio).
Wells operated
6
Active
2
Plugged
4
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 6 |
Well mix
- Oil wells
- 5
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 33%
Is this your company?
Claim Cent Refining to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Cent Refining operate?
Cent Refining'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 Cent Refining’s wells are active, plugged or orphaned?
33% of Cent Refining's catalogued wells are active, 4 percentage points above the national share of 29%. 67% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Cent Refining operate?
By product class, 5 (83%) 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 Tracy, Nellie 2 in Lawrence, IL at 1,955 ft. The wells listed below sit in Lawrence (IL) and Crawford (IL).
Notable wells operated by Cent Refining
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Tracy, Nellie 2 | 12-101-03936 | Active | Oil | Lawrence, IL | Cent Refining Co | 1,955 ft |
| Seed, Simon 1 | 12-101-03534 | Active | Oil | Lawrence, IL | Cent Refining Co | 1,692 ft |
| Tracy Roy 2 | 12-101-00078 | Plugged & abandoned | Other type | Lawrence, IL | Cent Refining Co | 1,687 ft |
| Wasson, J. H. 17 | 12-033-07734 | Plugged & abandoned | Oil | Crawford, IL | Cent Refining Co | 971 ft |
| Tohill, L. N. 9 | 12-033-08675 | Plugged & abandoned | Oil | Crawford, IL | Cent Refining Co | 957 ft |
| Tohill, L. N. a/c 3 5 | 12-033-07566 | Plugged & abandoned | Oil | Crawford, IL | Cent Refining Co | 949 ft |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Cent Refining operate?
Cent Refining 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 Cent Refining's wells are still active?
2 of Cent Refining's catalogued wells are active; 4 are plugged & abandoned.
In which states does Cent Refining operate wells?
Cent Refining is the operator of record for wells in Illinois (6).
Does Cent Refining operate mostly oil or gas wells?
5 of Cent Refining's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Cent Refining's deepest well?
Among wells with a published depth, Tracy, Nellie 2 in Lawrence, IL is the deepest at 1,955 ft.
Where Cent Refining'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, “Cent Refining — well portfolio”, https://wellcensus.com/operators/cent-refining-96067 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).