Sei
Operator of record for 3 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: S. E. I. · SEI
At a glance
Sei is the operator of record for 3 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 3 (100%) are plugged & abandoned. Its largest concentration is in California, with 2 wells (67% of its portfolio).
Wells operated
3
Active
0
Plugged
3
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 2 |
| Louisiana | 1 |
Well mix
- Oil wells
- 2
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Sei to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Sei operate?
Sei's catalogued wells are spread across 2 states: California (2) and Louisiana (1). Its 2 California wells are 0.0% of the 242,471 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 Sei’s wells are active, plugged or orphaned?
0% of Sei's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Sei operate?
By product class, 2 (67%) are oil wells and 1 (33%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Vua;dorothy Evans 001 in Bienville, LA at 7,080 ft. The wells listed below sit in Bienville (LA) and Kern (CA). 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 Sei
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Vua;dorothy Evans 001 | 17-013-20322 | Plugged & abandoned | Gas | Bienville, LA | Sei | 7,080 ft |
| Drillco 33-3 | 04-029-42546 | Plugged & abandoned | Oil | Kern, CA | S. E. I. | — |
| Drillco 33-4 | 04-029-42626 | Plugged & abandoned | Oil | Kern, CA | S. E. I. | — |
Deepest first where depth is published. See all 3 wells →
Frequently asked questions
How many wells does Sei operate?
Sei is the operator of record for 3 catalogued oil & gas wells, with the largest concentration in California (2). Only wells in states WellCensus has ingested are counted.
How many of Sei's wells are still active?
0 of Sei's catalogued wells are active; 3 are plugged & abandoned.
In which states does Sei operate wells?
Sei is the operator of record for wells in California (2) and Louisiana (1).
Does Sei operate mostly oil or gas wells?
2 of Sei's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Sei's deepest well?
Among wells with a published depth, Vua;dorothy Evans 001 in Bienville, LA is the deepest at 7,080 ft.
Where Sei'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, “Sei — well portfolio”, https://wellcensus.com/operators/sei-17663 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).