Big Four Petroleum
Operator of record for 90 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: BIG FOUR PETROLEUM CO · BIG FOUR PETROLEUM COMPANY
At a glance
Big Four Petroleum is the operator of record for 90 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 88 (98%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 57 wells (63% of its portfolio).
Wells operated
90
Active
0
Plugged
88
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 57 |
| Colorado | 33 |
Well mix
- Oil wells
- 16
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Big Four Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Big Four Petroleum operate?
Big Four Petroleum's catalogued wells are spread across 2 states: Oklahoma (57) and Colorado (33). Its 33 Colorado wells are 0.0% of the 124,327 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 Big Four Petroleum’s wells are active, plugged or orphaned?
0% of Big Four Petroleum's catalogued wells are active, 29 percentage points below the national share of 29%. 98% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Big Four Petroleum operate?
By product class, 16 (18%) are oil wells and 5 (6%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 1 Amoco-Hyatt in Arapahoe, CO at 7,681 ft. The wells listed below sit in Arapahoe (CO), Weld (CO), Prowers (CO) and Kiowa (CO). 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 Big Four Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 1 Amoco-Hyatt | 05-005-06843 | Plugged & abandoned | Other type | Arapahoe, CO | Big Four Petroleum Co | 7,681 ft |
| 1 Beitler | 05-005-06511 | Plugged & abandoned | Other type | Arapahoe, CO | Big Four Petroleum Co | 7,583 ft |
| 1 Amoco-Kalcevic | 05-005-06854 | Plugged & abandoned | Oil | Arapahoe, CO | Big Four Petroleum Co | 7,550 ft |
| 1 Newby | 05-005-06493 | Plugged & abandoned | Other type | Arapahoe, CO | Big Four Petroleum Co | 7,540 ft |
| 2 Williams | 05-005-06448 | Plugged & abandoned | Oil | Arapahoe, CO | Big Four Petroleum Co | 7,505 ft |
| 1 Williams | 05-005-06454 | Plugged & abandoned | Oil | Arapahoe, CO | Big Four Petroleum Co | 7,463 ft |
| 1 Big Mac | 05-123-09828 | Plugged & abandoned | Other type | Weld, CO | Big Four Petroleum Co | 7,163 ft |
| 2-34 Herrin | 05-099-06185 | Plugged & abandoned | Other type | Prowers, CO | Big Four Petroleum Co | 5,781 ft |
| 1-33 Herrin | 05-099-06147 | Plugged & abandoned | Other type | Prowers, CO | Big Four Petroleum Co | 5,760 ft |
| 3-23 Herrin | 05-099-06202 | Plugged & abandoned | Other type | Prowers, CO | Big Four Petroleum Co | 5,706 ft |
| 1-27 Garvey | 05-061-06374 | Plugged & abandoned | Oil | Kiowa, CO | Big Four Petroleum Co | 5,650 ft |
| 1-31 Bear Smith | 05-099-06234 | Plugged & abandoned | Other type | Prowers, CO | Big Four Petroleum Co | 5,520 ft |
Deepest first where depth is published. See all 90 wells →
Frequently asked questions
How many wells does Big Four Petroleum operate?
Big Four Petroleum is the operator of record for 90 catalogued oil & gas wells, with the largest concentration in Oklahoma (57). Only wells in states WellCensus has ingested are counted.
How many of Big Four Petroleum's wells are still active?
0 of Big Four Petroleum's catalogued wells are active; 88 are plugged & abandoned.
In which states does Big Four Petroleum operate wells?
Big Four Petroleum is the operator of record for wells in Oklahoma (57) and Colorado (33).
Does Big Four Petroleum operate mostly oil or gas wells?
16 of Big Four Petroleum's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Big Four Petroleum's deepest well?
Among wells with a published depth, 1 Amoco-Hyatt in Arapahoe, CO is the deepest at 7,681 ft.
Where Big Four 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 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Big Four Petroleum — well portfolio”, https://wellcensus.com/operators/big-four-petroleum-1048 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).