Development Associates
Operator of record for 31 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: DEVELOPMENT ASSOCIATES, INC · Development Associates, Inc.
At a glance
Development Associates is the operator of record for 31 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 30 (97%) are plugged & abandoned. Its largest concentration is in Illinois, with 30 wells (97% of its portfolio).
Wells operated
31
Active
0
Plugged
30
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 30 |
| Kentucky | 1 |
Well mix
- Oil wells
- 15
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Development Associates to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Development Associates operate?
Development Associates's catalogued wells are spread across 2 states: Illinois (30) and Kentucky (1). Its 30 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 Development Associates’s wells are active, plugged or orphaned?
0% of Development Associates's catalogued wells are active, 29 percentage points below the national share of 29%. 97% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Development Associates operate?
By product class, 15 (48%) 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 McBride, W.C., 1 in Perry, IL at 2,779 ft. The wells listed below sit in Perry (IL), Wabash (IL) and Coles (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 Development Associates
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| McBride, W.C., 1 | 12-145-02561 | Plugged & abandoned | Other type | Perry, IL | Development Associates, Inc. | 2,779 ft |
| Seitz-Alka Comm. 1 | 12-185-02867 | Plugged & abandoned | Other type | Wabash, IL | Development Associates, Inc. | 2,757 ft |
| Shearer, Thomas 2 | 12-185-02833 | Plugged & abandoned | Injection | Wabash, IL | Development Associates, Inc. | 2,600 ft |
| Smith J O 2 | 12-185-02707 | Plugged & abandoned | Oil | Wabash, IL | Development Associates, Inc. | 2,038 ft |
| Tracy-Miller Estate 1 | 12-029-00700 | Plugged & abandoned | Other type | Coles, IL | Development Associates, Inc. | 1,969 ft |
| Miller, George W. 4 | 12-029-00727 | Plugged & abandoned | Oil | Coles, IL | Development Associates, Inc. | 1,955 ft |
| Tracy, William H. 8 | 12-029-00714 | Plugged & abandoned | Other type | Coles, IL | Development Associates, Inc. | 1,937 ft |
| Tracy, William H. 1 | 12-029-00703 | Plugged & abandoned | Oil | Coles, IL | Development Associates, Inc. | 1,920 ft |
| Miller, George W. 1 | 12-029-00702 | Plugged & abandoned | Oil | Coles, IL | Development Associates, Inc. | 1,920 ft |
| Miller, George 3 | 12-029-00712 | Plugged & abandoned | Oil | Coles, IL | Development Associates, Inc. | 1,915 ft |
| Miller, George W. 2 | 12-029-00708 | Plugged & abandoned | Oil | Coles, IL | Development Associates, Inc. | 1,914 ft |
| Haybrook, M. D. Et Al, 1 | 12-029-01436 | Plugged & abandoned | Other type | Coles, IL | Development Associates, Inc. | 1,831 ft |
Deepest first where depth is published. See all 31 wells →
Frequently asked questions
How many wells does Development Associates operate?
Development Associates is the operator of record for 31 catalogued oil & gas wells, with the largest concentration in Illinois (30). Only wells in states WellCensus has ingested are counted.
How many of Development Associates's wells are still active?
0 of Development Associates's catalogued wells are active; 30 are plugged & abandoned.
In which states does Development Associates operate wells?
Development Associates is the operator of record for wells in Illinois (30) and Kentucky (1).
Does Development Associates operate mostly oil or gas wells?
15 of Development Associates's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Development Associates's deepest well?
Among wells with a published depth, McBride, W.C., 1 in Perry, IL is the deepest at 2,779 ft.
Where Development Associates'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, “Development Associates — well portfolio”, https://wellcensus.com/operators/development-associates-90981 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).