Neilco
Operator of record for 15 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: NEILCO · Neilco
At a glance
Neilco is the operator of record for 15 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 13 (87%) are plugged & abandoned. Its largest concentration is in Louisiana, with 14 wells (93% of its portfolio).
Wells operated
15
Active
0
Plugged
13
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Louisiana | 14 |
| Arkansas | 1 |
Well mix
- Oil wells
- 9
- Gas wells
- 0
- Shut-in
- 1
- Active share
- 0%
Is this your company?
Claim Neilco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Neilco operate?
Neilco's catalogued wells are spread across 2 states: Louisiana (14) and Arkansas (1). Its 14 Louisiana wells are 0.0% of the 225,728 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 Neilco’s wells are active, plugged or orphaned?
0% of Neilco's catalogued wells are active, 29 percentage points below the national share of 29%. 87% are plugged & abandoned, against 47% nationally. 1 wells (7%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Neilco operate?
By product class, 9 (60%) 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 Howard 001 in Richland, LA at 3,434 ft. The wells listed below sit in Richland (LA), Columbia (AR) and Claiborne (LA). 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 Neilco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Howard 001 | 17-083-00551 | Plugged & abandoned | Oil | Richland, LA | Neilco | 3,434 ft |
| Thurman, W E 3 | 03-027-00271 | Plugged & abandoned | Oil | Columbia, AR | Neilco | 3,145 ft |
| Mengel 001 | 17-083-00267 | Plugged & abandoned | Oil | Richland, LA | Neilco | 2,993 ft |
| Mengel 010 | 17-083-00269 | Shut-in | Oil | Richland, LA | Neilco | 2,975 ft |
| Mengel 013 | 17-083-00250 | Plugged & abandoned | Oil | Richland, LA | Neilco | 2,970 ft |
| Howard Sd Ut Water Supply 001 | 17-083-88006 | Plugged & abandoned | Other type | Richland, LA | Neilco | 2,475 ft |
| J W Featherstone B-10 | 17-027-01990 | Plugged & abandoned | Other type | Claiborne, LA | Neilco | 1,467 ft |
| Shaw Swd 001 | 17-027-21299 | Plugged & abandoned | Other type | Claiborne, LA | Neilco | 1,454 ft |
| Muslow 004 | 17-027-02538 | Plugged & abandoned | Oil | Claiborne, LA | Neilco | 1,420 ft |
| J W Featherstone B-9 | 17-027-01991 | Plugged & abandoned | Other type | Claiborne, LA | Neilco | 1,390 ft |
| Muslow B 004 | 17-027-02539 | Plugged & abandoned | Other type | Claiborne, LA | Neilco | 1,388 ft |
| Muslow Oil Co D 001 | 17-027-02541 | Plugged & abandoned | Oil | Claiborne, LA | Neilco | 1,372 ft |
Deepest first where depth is published. See all 15 wells →
Frequently asked questions
How many wells does Neilco operate?
Neilco is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in Louisiana (14). Only wells in states WellCensus has ingested are counted.
How many of Neilco's wells are still active?
0 of Neilco's catalogued wells are active; 13 are plugged & abandoned.
In which states does Neilco operate wells?
Neilco is the operator of record for wells in Louisiana (14) and Arkansas (1).
Does Neilco operate mostly oil or gas wells?
9 of Neilco's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Neilco's deepest well?
Among wells with a published depth, Howard 001 in Richland, LA is the deepest at 3,434 ft.
Where Neilco'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, “Neilco — well portfolio”, https://wellcensus.com/operators/neilco-75404 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).