Swepi
Operator of record for 2,459 catalogued wells across 9 states. Every well below links to its full registry page.
Filed as: SWEPI LP · Swepi LP
At a glance
Swepi is the operator of record for 2,459 catalogued U.S. oil & gas wells in 9 states. None is listed as active, 1,095 (45%) are plugged & abandoned. Its largest concentration is in Michigan, with 1,267 wells (52% of its portfolio).
Wells operated
2,459
Active
0
Plugged
1,095
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Michigan | 1,267 |
| Pennsylvania | 667 |
| Wyoming | 261 |
| New York | 185 |
| Louisiana | 47 |
| Colorado | 22 |
| New Mexico | 6 |
| Ohio | 3 |
| Utah | 1 |
Well mix
- Oil wells
- 461
- Gas wells
- 593
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Swepi to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Swepi operate?
Swepi's catalogued wells are spread across 9 states: Michigan (1,267), Pennsylvania (667), Wyoming (261), New York (185) and Louisiana (47) and 4 more. Its 1,267 Michigan wells are 1% of the 85,673 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 Swepi’s wells are active, plugged or orphaned?
0% of Swepi's catalogued wells are active, 29 percentage points below the national share of 29%. 45% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Swepi operate?
By product class, 461 (19%) are oil wells and 593 (24%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Ha Ra Suz;marie Mcdaniel 21 001 in Natchitoches, LA at 19,900 ft. The wells listed below sit in Natchitoches (LA), Sabine (LA), Fremont (WY), De Soto (LA), Red River (LA) and Sweetwater (WY). 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 Swepi
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Ha Ra Suz;marie Mcdaniel 21 001 | 17-069-20423 | Other status | Other type | Natchitoches, LA | Swepi LP | 19,900 ft |
| Ha Ra Sun;olympia Minerals 11 001 | 17-085-22223 | Plugged & abandoned | Other type | Sabine, LA | Swepi LP | 19,880 ft |
| Ha Ra Suh;drury Stevens 20 004-Alt | 17-085-22372 | Other status | Other type | Sabine, LA | Swepi LP | 19,500 ft |
| Ind 14-20-258049 33-10 | 49-013-06363 | Plugged & abandoned | Gas | Fremont, WY | Swepi LP | 19,235 ft |
| Ha Ra Suh;drury Stevens 20 003-Alt | 17-085-22371 | Other status | Other type | Sabine, LA | Swepi LP | 19,000 ft |
| Ha Ra Sug;drury Stevens 17 004-Alt | 17-085-22370 | Other status | Other type | Sabine, LA | Swepi LP | 19,000 ft |
| Ha Ra Sug;drury Stevens 17 003-Alt | 17-085-22369 | Other status | Other type | Sabine, LA | Swepi LP | 19,000 ft |
| Ha Ra Su68;joe Inabett 36 002-Alt | 17-031-25961 | Other status | Other type | De Soto, LA | Swepi LP | 18,700 ft |
| Ha Rd Suh;lormand 33 007-Alt | 17-081-21334 | Other status | Other type | Red River, LA | Swepi LP | 18,700 ft |
| Ha Ra Suv;edgar Cason 13 H 003-Alt | 17-081-21365 | Plugged & abandoned | Other type | Red River, LA | Swepi LP | 18,500 ft |
| Twelvemile 1-30h | 49-037-27214 | Plugged & abandoned | Gas | Sweetwater, WY | Swepi LP | 18,500 ft |
| Ha Ra Sudd;olympia Min 6 001 | 17-085-22387 | Other status | Other type | Sabine, LA | Swepi LP | 18,500 ft |
Deepest first where depth is published. See all 2,459 wells →
Frequently asked questions
How many wells does Swepi operate?
Swepi is the operator of record for 2,459 catalogued oil & gas wells, with the largest concentration in Michigan (1,267). Only wells in states WellCensus has ingested are counted.
How many of Swepi's wells are still active?
0 of Swepi's catalogued wells are active; 1,095 are plugged & abandoned.
In which states does Swepi operate wells?
Swepi is the operator of record for wells in Michigan (1,267), Pennsylvania (667), Wyoming (261), New York (185), Louisiana (47), Colorado (22), New Mexico (6), Ohio (3) and Utah (1).
Does Swepi operate mostly oil or gas wells?
461 of Swepi's catalogued wells are oil wells and 593 are gas wells; the rest are injection, service or unclassified wells.
What is Swepi's deepest well?
Among wells with a published depth, Ha Ra Suz;marie Mcdaniel 21 001 in Natchitoches, LA is the deepest at 19,900 ft.
Where Swepi's wells are
- Oil & gas wells in Michigan· 1,267 operated by Swepi
- Oil & gas wells in Pennsylvania· 667 operated by Swepi
- Oil & gas wells in Wyoming· 261 operated by Swepi
- Oil & gas wells in New York· 185 operated by Swepi
- Oil & gas wells in Louisiana· 47 operated by Swepi
- Oil & gas wells in Colorado· 22 operated by Swepi
- 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, “Swepi — well portfolio”, https://wellcensus.com/operators/swepi-4639 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).