Testing Service
Operator of record for 32 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Testing Service Corp. · Testing Service Corporation
At a glance
Testing Service is the operator of record for 32 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 1 (3%) are plugged & abandoned. Its largest concentration is in Illinois, with 32 wells (100% of its portfolio).
Wells operated
32
Active
0
Plugged
1
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 32 |
Well mix
- Oil wells
- 0
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Testing Service to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Testing Service operate?
Testing Service's catalogued wells are spread across 1 state: Illinois (32). Its 32 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 Testing Service’s wells are active, plugged or orphaned?
0% of Testing Service's catalogued wells are active, 29 percentage points below the national share of 29%. 3% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Testing 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 Weller, Gerald 1 in Montgomery, IL at 654 ft. The wells listed below sit in Montgomery (IL), Winnebago (IL), Kane (IL) and Mchenry (IL). 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 Testing Service
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Weller, Gerald 1 | 12-135-22709 | Plugged & abandoned | Other type | Montgomery, IL | Testing Service Corp. | 654 ft |
| Ekberg Material Inc. CH-1 | 12-201-32892 | Other status | Other type | Winnebago, IL | Testing Service Corp. | 218 ft |
| Settler's Hill Landfill B117 | 12-089-29750 | Other status | Other type | Kane, IL | Testing Service Corp. | 90 ft |
| Settler's Hill Landfill B115 | 12-089-29749 | Other status | Other type | Kane, IL | Testing Service Corp. | 67 ft |
| Settler's Hill Landfill B113 | 12-089-29748 | Other status | Other type | Kane, IL | Testing Service Corp. | 59 ft |
| Settler's Hill Landfill B111 | 12-089-29747 | Other status | Other type | Kane, IL | Testing Service Corp. | 54 ft |
| Wedgewood Dev. Boring 17 | 12-111-37099 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 25 ft |
| Wedgewood Development 15 | 12-111-37097 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 25 ft |
| Winding Creek Boring 106 | 12-111-37076 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 20 ft |
| Winding Creek Boring 105 | 12-111-37075 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 20 ft |
| Wedgewood Dev. Boring 10 | 12-111-37095 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 20 ft |
| Winding Creek Boring 104 | 12-111-37074 | Other status | Other type | Mchenry, IL | Testing Service Corporation | 20 ft |
Deepest first where depth is published. See all 32 wells →
Frequently asked questions
How many wells does Testing Service operate?
Testing Service is the operator of record for 32 catalogued oil & gas wells, with the largest concentration in Illinois (32). Only wells in states WellCensus has ingested are counted.
How many of Testing Service's wells are still active?
0 of Testing Service's catalogued wells are active; 1 are plugged & abandoned.
In which states does Testing Service operate wells?
Testing Service is the operator of record for wells in Illinois (32).
Does Testing Service operate mostly oil or gas wells?
0 of Testing Service's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Testing Service's deepest well?
Among wells with a published depth, Weller, Gerald 1 in Montgomery, IL is the deepest at 654 ft.
Where Testing 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, “Testing Service — well portfolio”, https://wellcensus.com/operators/testing-service-103034 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).