Tri State Exploration
Operator of record for 42 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Tri State Exploration is the operator of record for 42 catalogued U.S. oil & gas wells in 1 state. 7 (17%) are active, 32 (76%) plugged & abandoned and 2 flagged as orphaned. Its largest concentration is in Illinois, with 42 wells (100% of its portfolio).
Wells operated
42
Active
7
Plugged
32
Orphaned
2
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 42 |
Well mix
- Oil wells
- 31
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 17%
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Claim your operator profileWhere does Tri State Exploration operate?
Tri State Exploration's catalogued wells are spread across 1 state: Illinois (42). Its 42 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 Tri State Exploration’s wells are active, plugged or orphaned?
17% of Tri State Exploration's catalogued wells are active, 12 percentage points below the national share of 29%. 76% are plugged & abandoned, against 47% nationally. 2 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Tri State Exploration operate?
By product class, 31 (74%) 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 Matchett-Flexter 1 in Wayne, IL at 3,975 ft. The wells listed below sit in Wayne (IL), Clay (IL) and White (IL).
Notable wells operated by Tri State Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Matchett-Flexter 1 | 12-191-30069 | Plugged & abandoned | Other type | Wayne, IL | Tri-State Exploration, Inc. | 3,975 ft |
| Millsap 1 | 12-191-30047 | Plugged & abandoned | Other type | Wayne, IL | Tri-State Exploration, Inc. | 3,841 ft |
| Michels 1 | 12-191-31966 | Plugged & abandoned | Oil | Wayne, IL | Tri-State Exploration, Inc. | 3,715 ft |
| Lutz 2 | 12-025-27075 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,665 ft |
| Lutz, V. 1 | 12-025-26833 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,665 ft |
| Iffert 1 | 12-025-26854 | Plugged & abandoned | Other type | Clay, IL | Tri-State Exploration, Inc. | 3,646 ft |
| Mearns-Briscoe 1 | 12-025-27289 | Orphaned | Other type | Clay, IL | Tri-State Exploration, Inc. | 3,625 ft |
| Murphy, Clinton 1 | 12-193-02844 | Orphaned | Oil | White, IL | Tri-State Exploration, Inc. | 3,550 ft |
| Kuenstler 1-A | 12-025-26320 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,550 ft |
| Buerster, G. 1 | 12-025-26362 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,540 ft |
| Smith 1 | 12-025-26782 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,512 ft |
| Buerster, D. & J. 1 | 12-025-26695 | Plugged & abandoned | Oil | Clay, IL | Tri-State Exploration, Inc. | 3,457 ft |
Deepest first where depth is published. See all 42 wells →
Frequently asked questions
How many wells does Tri State Exploration operate?
Tri State Exploration is the operator of record for 42 catalogued oil & gas wells, with the largest concentration in Illinois (42). Only wells in states WellCensus has ingested are counted.
How many of Tri State Exploration's wells are still active?
7 of Tri State Exploration's catalogued wells are active; 32 are plugged & abandoned and 2 are flagged as orphaned.
In which states does Tri State Exploration operate wells?
Tri State Exploration is the operator of record for wells in Illinois (42).
Does Tri State Exploration operate mostly oil or gas wells?
31 of Tri State Exploration's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Tri State Exploration's deepest well?
Among wells with a published depth, Matchett-Flexter 1 in Wayne, IL is the deepest at 3,975 ft.
Where Tri State Exploration'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, “Tri State Exploration — well portfolio”, https://wellcensus.com/operators/tri-state-exploration-66210 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).