Casillas Petroleum
Operator of record for 761 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: CASILLAS PETROLEUM CORP · Casillas Petroleum Corp
At a glance
Casillas Petroleum is the operator of record for 761 catalogued U.S. oil & gas wells in 2 states. 628 (83%) are active, 64 (8%) plugged & abandoned. Its largest concentration is in Kansas, with 573 wells (75% of its portfolio).
Wells operated
761
Active
628
Plugged
64
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 573 |
| Oklahoma | 188 |
Well mix
- Oil wells
- 225
- Gas wells
- 463
- Shut-in
- 63
- Active share
- 83%
Is this your company?
Claim Casillas Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Casillas Petroleum operate?
Casillas Petroleum's catalogued wells are spread across 2 states: Kansas (573) and Oklahoma (188). Its 573 Kansas wells are 0.1% of the 473,140 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 (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Casillas Petroleum’s wells are active, plugged or orphaned?
83% of Casillas Petroleum's catalogued wells are active, 52 percentage points above the national share of 30%. 8% are plugged & abandoned, against 48% nationally. 63 wells (8%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Casillas Petroleum operate?
By product class, 225 (30%) are oil wells and 463 (61%) gas wells; nationally the shares are 45% and 18%. The deepest of its wells with a published depth is Curry 1-2 in Finney, KS at 7,044 ft. The wells listed below sit in Finney (KS), Haskell (KS), Kearny (KS) and Seward (KS). 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 Casillas Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Curry 1-2 | 15-055-20536 | Active | Gas | Finney, KS | Casillas Petroleum Corp | 7,044 ft |
| Pleasant Prairie Unit 74 | 15-081-00003 | Active | Injection | Haskell, KS | Casillas Petroleum Corp | 6,260 ft |
| USA 'B' 4 | 15-093-21693 | Shut-in | Oil | Kearny, KS | Casillas Petroleum Corp | 6,200 ft |
| Pleasant Prairie 26 | 15-055-00031 | Active | Injection | Finney, KS | Casillas Petroleum Corp | 6,181 ft |
| Woodward 1-2 | 15-175-21274 | Active | Gas | Seward, KS | Casillas Petroleum Corp | 5,935 ft |
| Reed 1-2 | 15-175-21063 | Active | Gas | Seward, KS | Casillas Petroleum Corp | 5,875 ft |
| C. S. High 1 | 15-175-00005 | Active | Gas | Seward, KS | Casillas Petroleum Corp | 5,861 ft |
| Home Royalty 'A' 2 | 15-175-21405 | Active | Oil | Seward, KS | Casillas Petroleum Corp | 5,821 ft |
| Myers 1-2 | 15-175-20987 | Active | Gas | Seward, KS | Casillas Petroleum Corp | 5,810 ft |
| Wheatley 1-2 | 15-081-20985 | Active | Gas | Haskell, KS | Casillas Petroleum Corp | 5,800 ft |
| Randle 1-2 | 15-081-20906 | Active | Gas | Haskell, KS | Casillas Petroleum Corp | 5,800 ft |
| Home Royalty 'A' 4 | 15-175-21773 | Active | Oil | Seward, KS | Casillas Petroleum Corp | 5,800 ft |
Deepest first where depth is published. See all 761 wells →
Frequently asked questions
How many wells does Casillas Petroleum operate?
Casillas Petroleum is the operator of record for 761 catalogued oil & gas wells, with the largest concentration in Kansas (573). Only wells in states WellCensus has ingested are counted.
How many of Casillas Petroleum's wells are still active?
628 of Casillas Petroleum's catalogued wells are active; 64 are plugged & abandoned.
In which states does Casillas Petroleum operate wells?
Casillas Petroleum is the operator of record for wells in Kansas (573) and Oklahoma (188).
Does Casillas Petroleum operate mostly oil or gas wells?
225 of Casillas Petroleum's catalogued wells are oil wells and 463 are gas wells; the rest are injection, service or unclassified wells.
What is Casillas Petroleum's deepest well?
Among wells with a published depth, Curry 1-2 in Finney, KS is the deepest at 7,044 ft.
Where Casillas Petroleum'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 28, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Casillas Petroleum — well portfolio”, https://wellcensus.com/operators/casillas-petroleum-1590 (data as of October 28, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).