Richardson Operating
Operator of record for 462 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: RICHARDSON OPERATING CO · RICHARDSON OPERATING COMPANY · Richardson Operating Co · Richardson Operating Company
At a glance
Richardson Operating is the operator of record for 462 catalogued U.S. oil & gas wells in 5 states. 141 (31%) are active, 142 (31%) plugged & abandoned and 5 flagged as orphaned. Its largest concentration is in Wyoming, with 361 wells (78% of its portfolio).
Wells operated
462
Active
141
Plugged
142
Orphaned
5
Portfolio by state
| State | Wells |
|---|---|
| Wyoming | 361 |
| New Mexico | 53 |
| Montana | 32 |
| Colorado | 10 |
| Utah | 6 |
Well mix
- Oil wells
- 207
- Gas wells
- 168
- Shut-in
- 148
- Active share
- 31%
Is this your company?
Claim Richardson Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Richardson Operating operate?
Richardson Operating's catalogued wells are spread across 5 states: Wyoming (361), New Mexico (53), Montana (32), Colorado (10) and Utah (6). Its 361 Wyoming wells are 0.3% of the 129,957 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 Richardson Operating’s wells are active, plugged or orphaned?
31% of Richardson Operating's catalogued wells are active, 2 percentage points above the national share of 29%. 31% are plugged & abandoned, against 47% nationally. 148 wells (32%) are shut-in — unplugged but idle. 5 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Richardson Operating operate?
By product class, 207 (45%) are oil wells and 168 (36%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Hells H Acre Unit Ii 1-K-11 in Natrona, WY at 22,431 ft. The wells listed below sit in Natrona (WY), Fremont (WY), Lincoln (WY) and Park (WY). State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Richardson Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Hells H Acre Unit Ii 1-K-11 | 49-025-20837 | Plugged & abandoned | Gas | Natrona, WY | Richardson Operating Co | 22,431 ft |
| Copper Mountain Unit 35-13 | 49-013-22764 | Shut-in | Gas | Fremont, WY | Richardson Operating Co | 19,100 ft |
| Diamond State 36-13 | 49-013-22729 | Active | Gas | Fremont, WY | Richardson Operating Co | 18,520 ft |
| Diamond State 36-31 | 49-013-22646 | Active | Gas | Fremont, WY | Richardson Operating Co | 17,540 ft |
| Road Hollow Unit 8 | 49-023-20597 | Plugged & abandoned | Gas | Lincoln, WY | Richardson Operating Co | 16,733 ft |
| Road Hollow Unit 4 | 49-023-20423 | Active | Gas | Lincoln, WY | Richardson Operating Co | 16,493 ft |
| Road Hollow W-30108 7 | 49-023-20523 | Plugged & abandoned | Gas | Lincoln, WY | Richardson Operating Co | 16,201 ft |
| Road Hollow W-30105 10 | 49-023-20581 | Plugged & abandoned | Gas | Lincoln, WY | Richardson Operating Co | 15,942 ft |
| Road Hollow Unit 3 | 49-023-20532 | Plugged & abandoned | Oil | Lincoln, WY | Richardson Operating Co | 15,877 ft |
| West Madden Federal 6-27 | 49-013-22519 | Active | Gas | Fremont, WY | Richardson Operating Co | 15,620 ft |
| Naraco 1-4 | 49-029-21275 | Shut-in | Gas | Park, WY | Richardson Operating Co | 15,567 ft |
| Road Hollow Unit 9 | 49-023-20607 | Plugged & abandoned | Oil | Lincoln, WY | Richardson Operating Co | 15,536 ft |
Deepest first where depth is published. See all 462 wells →
Frequently asked questions
How many wells does Richardson Operating operate?
Richardson Operating is the operator of record for 462 catalogued oil & gas wells, with the largest concentration in Wyoming (361). Only wells in states WellCensus has ingested are counted.
How many of Richardson Operating's wells are still active?
141 of Richardson Operating's catalogued wells are active; 142 are plugged & abandoned and 5 are flagged as orphaned.
In which states does Richardson Operating operate wells?
Richardson Operating is the operator of record for wells in Wyoming (361), New Mexico (53), Montana (32), Colorado (10) and Utah (6).
Does Richardson Operating operate mostly oil or gas wells?
207 of Richardson Operating's catalogued wells are oil wells and 168 are gas wells; the rest are injection, service or unclassified wells.
What is Richardson Operating's deepest well?
Among wells with a published depth, Hells H Acre Unit Ii 1-K-11 in Natrona, WY is the deepest at 22,431 ft.
Where Richardson Operating's wells are
- Oil & gas wells in Wyoming· 361 operated by Richardson Operating
- Oil & gas wells in New Mexico· 53 operated by Richardson Operating
- Oil & gas wells in Montana· 32 operated by Richardson Operating
- Oil & gas wells in Colorado· 10 operated by Richardson Operating
- Oil & gas wells in Utah· 6 operated by Richardson Operating
- Largest U.S. well operators
- All well operators
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, “Richardson Operating — well portfolio”, https://wellcensus.com/operators/richardson-operating-2647 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).