Terrain Oil
Operator of record for 37 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Terrain Oil Co · Terrain Oil Company
At a glance
Terrain Oil is the operator of record for 37 catalogued U.S. oil & gas wells in 1 state. 12 (32%) are active, 23 (62%) plugged & abandoned. Its largest concentration is in Illinois, with 37 wells (100% of its portfolio).
Wells operated
37
Active
12
Plugged
23
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 37 |
Well mix
- Oil wells
- 27
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 32%
Is this your company?
Claim Terrain Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Terrain Oil operate?
Terrain Oil's catalogued wells are spread across 1 state: Illinois (37). Its 37 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 Terrain Oil’s wells are active, plugged or orphaned?
32% of Terrain Oil's catalogued wells are active, 4 percentage points above the national share of 29%. 62% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Terrain Oil operate?
By product class, 27 (73%) 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 Newlin, N. 1 in Crawford, IL at 1,250 ft. State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Terrain Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Newlin, N. 1 | 12-033-07059 | Plugged & abandoned | Other type | Crawford, IL | Terrain Oil Co | 1,250 ft |
| Metheny, Nora & J. 6 | 12-033-07039 | Plugged & abandoned | Other type | Crawford, IL | Terrain Oil Co | 1,061 ft |
| Livingston, Alfred 8 | 12-033-07047 | Plugged & abandoned | Other type | Crawford, IL | Terrain Oil Co | 1,056 ft |
| Nash, John 4 | 12-033-06834 | Plugged & abandoned | Oil | Crawford, IL | Terrain Oil Co | 993 ft |
| Payne, Melville 7 | 12-033-07040 | Plugged & abandoned | Oil | Crawford, IL | Terrain Oil Co | 966 ft |
| Payn, M. 33 | 12-033-06981 | Plugged & abandoned | Oil | Crawford, IL | Terrain Oil Co | 957 ft |
| Payne, S. N. 18 | 12-033-07006 | Active | Oil | Crawford, IL | Terrain Oil Co | 947 ft |
| Freeland, W.M. 4 | 12-033-18120 | Active | Oil | Crawford, IL | Terrain Oil Co | 946 ft |
| Perdieu 6 | 12-033-06881 | Plugged & abandoned | Other type | Crawford, IL | Terrain Oil Co | 946 ft |
| Payne, John (90A) 35 | 12-033-06869 | Plugged & abandoned | Oil | Crawford, IL | Terrain Oil Co | 939 ft |
| Fruland, Wm. 2 | 12-033-18118 | Plugged & abandoned | Oil | Crawford, IL | Terrain Oil Co | 939 ft |
| Tharp, Henry O.(80 acres) 11 | 12-033-06758 | Active | Oil | Crawford, IL | Terrain Oil Co | 929 ft |
Deepest first where depth is published. See all 37 wells →
Frequently asked questions
How many wells does Terrain Oil operate?
Terrain Oil is the operator of record for 37 catalogued oil & gas wells, with the largest concentration in Illinois (37). Only wells in states WellCensus has ingested are counted.
How many of Terrain Oil's wells are still active?
12 of Terrain Oil's catalogued wells are active; 23 are plugged & abandoned.
In which states does Terrain Oil operate wells?
Terrain Oil is the operator of record for wells in Illinois (37).
Does Terrain Oil operate mostly oil or gas wells?
27 of Terrain Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Terrain Oil's deepest well?
Among wells with a published depth, Newlin, N. 1 in Crawford, IL is the deepest at 1,250 ft.
Where Terrain Oil'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, “Terrain Oil — well portfolio”, https://wellcensus.com/operators/terrain-oil-93205 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).