Test Drilling Service
Operator of record for 5 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Test Drilling Service is the operator of record for 5 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 5 (100%) are plugged & abandoned. Its largest concentration is in Illinois, with 5 wells (100% of its portfolio).
Wells operated
5
Active
0
Plugged
5
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 5 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Test Drilling Service to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Test Drilling Service operate?
Test Drilling Service's catalogued wells are spread across 1 state: Illinois (5). Its 5 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 Test Drilling Service’s wells are active, plugged or orphaned?
0% of Test Drilling Service'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 Test Drilling Service 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 Sellars 2 in Scott, IL at 670 ft. The wells listed below sit in Scott (IL), Greene (IL) and St. Clair (IL).
Notable wells operated by Test Drilling Service
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Sellars 2 | 12-171-20179 | Plugged & abandoned | Other type | Scott, IL | Test Drilling Service Co. | 670 ft |
| Cox DW 1-A | 12-061-21034 | Plugged & abandoned | Injection | Greene, IL | Test Drilling Service Co. | 459 ft |
| Childress 2-A | 12-061-20991 | Plugged & abandoned | Other type | Greene, IL | Test Drilling Service Co. | 422 ft |
| Childress 2-B | 12-061-20992 | Plugged & abandoned | Other type | Greene, IL | Test Drilling Service Co. | 417 ft |
| Canterbury Manor A-2 | 12-163-25222 | Plugged & abandoned | Other type | St. Clair, IL | Test Drilling Service Co. | 170 ft |
Deepest first where depth is published. See all 5 wells →
Frequently asked questions
How many wells does Test Drilling Service operate?
Test Drilling Service is the operator of record for 5 catalogued oil & gas wells, with the largest concentration in Illinois (5). Only wells in states WellCensus has ingested are counted.
How many of Test Drilling Service's wells are still active?
0 of Test Drilling Service's catalogued wells are active; 5 are plugged & abandoned.
In which states does Test Drilling Service operate wells?
Test Drilling Service is the operator of record for wells in Illinois (5).
Does Test Drilling Service operate mostly oil or gas wells?
0 of Test Drilling Service's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Test Drilling Service's deepest well?
Among wells with a published depth, Sellars 2 in Scott, IL is the deepest at 670 ft.
Where Test Drilling Service'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, “Test Drilling Service — well portfolio”, https://wellcensus.com/operators/test-drilling-service-100579 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).