Big 4
Operator of record for 91 catalogued wells across 1 state. Every well below links to its full registry page.
Wells operated
91
Active
15
Plugged
10
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 91 |
Well mix
- Oil wells
- 24
- Gas wells
- 0
- Shut-in
- 13
- Active share
- 16%
Is this your company?
Claim Big 4 to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileNotable wells operated by Big 4
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| McOrr E. 1 | 12-101-09404 | Plugged & abandoned | Other type | Lawrence, IL | Big 4 | 2,056 ft |
| Seed, J. 16 | 12-101-08710 | Other status | Other type | Lawrence, IL | Big 4 | 2,000 ft |
| Gillespie, Sherman 3 | 12-101-09280 | Active | Oil | Lawrence, IL | Big 4 | 1,920 ft |
| Lutz, Ellen 2 | 12-101-08960 | Active | Oil | Lawrence, IL | Big 4 | 1,919 ft |
| Gillespie, Laura 10 | 12-101-09257 | Other status | Other type | Lawrence, IL | Big 4 | 1,864 ft |
| Seed, Simon 5 | 12-101-07925 | Active | Oil | Lawrence, IL | Big 4 | 1,852 ft |
| Buchanan 16 | 12-101-08326 | Active | Oil | Lawrence, IL | Big 4 | 1,852 ft |
| Buchanan Hrs. 21 | 12-101-08328 | Other status | Other type | Lawrence, IL | Big 4 | 1,851 ft |
| Seed, Len 14 | 12-101-09049 | Plugged & abandoned | Oil | Lawrence, IL | Big 4 | 1,850 ft |
| Gillespie, L. 45 | 12-101-09271 | Other status | Other type | Lawrence, IL | Big 4 | 1,850 ft |
| Gillespie, Laura 13 | 12-101-09260 | Other status | Other type | Lawrence, IL | Big 4 | 1,850 ft |
| Seed, L. 19 | 12-101-09053 | Active | Oil | Lawrence, IL | Big 4 | 1,846 ft |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Big 4 operate?
Big 4 is the operator of record for 91 catalogued oil & gas wells, with the largest concentration in Illinois (91). Only wells in states WellCensus has ingested are counted.
How many of Big 4's wells are still active?
15 of Big 4's catalogued wells are active; 10 are plugged & abandoned and 1 are flagged as orphaned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).