Dal Long Oil
Operator of record for 25 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: DAL-LONG OIL COMPANY · Dal-Long Oil Company
At a glance
Dal Long Oil is the operator of record for 25 catalogued U.S. oil & gas wells in 3 states. 1 (4%) are active, 21 (84%) plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in Illinois, with 13 wells (52% of its portfolio).
Wells operated
25
Active
1
Plugged
21
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 13 |
| Louisiana | 11 |
| Arkansas | 1 |
Well mix
- Oil wells
- 9
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 4%
Is this your company?
Claim Dal Long Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Dal Long Oil operate?
Dal Long Oil's catalogued wells are spread across 3 states: Illinois (13), Louisiana (11) and Arkansas (1). Its 13 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 Dal Long Oil’s wells are active, plugged or orphaned?
4% of Dal Long Oil's catalogued wells are active, 25 percentage points below the national share of 29%. 84% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Dal Long Oil operate?
By product class, 9 (36%) 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 Choate Et Al 001 in Vermilion, LA at 14,225 ft. The wells listed below sit in Vermilion (LA), Union (AR), Marion (IL), Jefferson (IL), Claiborne (LA) and Webster (LA) and other counties. 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 Dal Long Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Choate Et Al 001 | 17-113-21382 | Plugged & abandoned | Other type | Vermilion, LA | Dal-Long Oil Company | 14,225 ft |
| Felix B. Henry 1 | 03-139-12188 | Plugged & abandoned | Oil | Union, AR | Dal-Long Oil Company | 6,430 ft |
| Evans, Mildred 1 | 12-121-27488 | Plugged & abandoned | Other type | Marion, IL | Dal-Long Oil Company | 3,750 ft |
| Osborne, C. 1 | 12-121-27474 | Plugged & abandoned | Other type | Marion, IL | Dal-Long Oil Company | 3,650 ft |
| Carnes 1 | 12-081-24779 | Plugged & abandoned | Other type | Jefferson, IL | Dal-Long Oil Company | 3,570 ft |
| Kalfus, Michael 1 | 12-121-27698 | Plugged & abandoned | Other type | Marion, IL | Dal-Long Oil Company | 3,301 ft |
| Delaney Et Al 20-7 001 | 17-027-20958 | Orphaned | Oil | Claiborne, LA | Dal-Long Oil Company | 3,300 ft |
| Hickenbottom 1 | 12-121-27687 | Active | Oil | Marion, IL | Dal-Long Oil Company | 3,267 ft |
| Pardee 001 | 17-119-21288 | Plugged & abandoned | Oil | Webster, LA | Dal-Long Oil Company | 3,200 ft |
| Beckemeyer, Kathryn 1 | 12-027-25951 | Plugged & abandoned | Other type | Clinton, IL | Dal-Long Oil Company | 3,100 ft |
| Garrett 001 | 17-027-21259 | Plugged & abandoned | Oil | Claiborne, LA | Dal-Long Oil Company | 2,950 ft |
| Dalaney Et Al 20-2 Swd 001 | 17-027-21015 | Orphaned | Other type | Claiborne, LA | Dal-Long Oil Company | 2,918 ft |
Deepest first where depth is published. See all 25 wells →
Frequently asked questions
How many wells does Dal Long Oil operate?
Dal Long Oil is the operator of record for 25 catalogued oil & gas wells, with the largest concentration in Illinois (13). Only wells in states WellCensus has ingested are counted.
How many of Dal Long Oil's wells are still active?
1 of Dal Long Oil's catalogued wells are active; 21 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Dal Long Oil operate wells?
Dal Long Oil is the operator of record for wells in Illinois (13), Louisiana (11) and Arkansas (1).
Does Dal Long Oil operate mostly oil or gas wells?
9 of Dal Long Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Dal Long Oil's deepest well?
Among wells with a published depth, Choate Et Al 001 in Vermilion, LA is the deepest at 14,225 ft.
Where Dal Long Oil'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, “Dal Long Oil — well portfolio”, https://wellcensus.com/operators/dal-long-oil-70066 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).