Sigma
Operator of record for 23 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Sigma is the operator of record for 23 catalogued U.S. oil & gas wells in 1 state. 19 (83%) are active, 1 (4%) plugged & abandoned and 3 flagged as orphaned. Its largest concentration is in West Virginia, with 23 wells (100% of its portfolio).
Wells operated
23
Active
19
Plugged
1
Orphaned
3
Portfolio by state
| State | Wells |
|---|---|
| West Virginia | 23 |
Well mix
- Oil wells
- 0
- Gas wells
- 23
- Shut-in
- 0
- Active share
- 83%
Is this your company?
Claim Sigma to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Sigma operate?
Sigma's catalogued wells are spread across 1 state: West Virginia (23). Its 23 West Virginia wells are 0.0% of the 118,569 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 Sigma’s wells are active, plugged or orphaned?
83% of Sigma's catalogued wells are active, 54 percentage points above the national share of 29%. 4% are plugged & abandoned, against 47% nationally. 3 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Sigma operate?
By product class, 0 (0%) are oil wells and 23 (100%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Mcdowell (WV), Wyoming (WV) and Logan (WV).
Notable wells operated by Sigma
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Taylor 1 | 47-047-00364 | Active | Gas | Mcdowell, WV | Sigma Corporation | — |
| Harman, James W. 1 | 47-109-00139 | Active | Gas | Wyoming, WV | Sigma Corporation | — |
| Burgess, S. M. 1172 | 47-109-00081 | Active | Gas | Wyoming, WV | Sigma Corporation | — |
| Burgess, S. M. 2 | 47-109-00131 | Active | Gas | Wyoming, WV | Sigma Corporation | — |
| Aldredge, Lucille 3 | 47-045-00834 | Active | Gas | Logan, WV | Sigma Corporation | — |
| Parsons, Paul 188 | 47-045-00817 | Active | Gas | Logan, WV | Sigma Corporation | — |
| Aldredge, Lucille 5 | 47-045-00858 | Plugged & abandoned | Gas | Logan, WV | Sigma Corporation | — |
| Aldredge, Lucille 4 | 47-045-00836 | Active | Gas | Logan, WV | Sigma Corporation | — |
| Gibson, Ranny Lon Gibson 1 | 47-045-00832 | Orphaned | Gas | Logan, WV | Sigma Corporation | — |
| Aldredge, Lucille 2 | 47-045-00810 | Active | Gas | Logan, WV | Sigma Corporation | — |
| Crane Creek Gas Co. 2 | 47-047-00392 | Active | Gas | Mcdowell, WV | Sigma Corporation | — |
| Brickles, Hiles 190 | 47-045-00825 | Orphaned | Gas | Logan, WV | Sigma Corporation | — |
Deepest first where depth is published. See all 23 wells →
Frequently asked questions
How many wells does Sigma operate?
Sigma is the operator of record for 23 catalogued oil & gas wells, with the largest concentration in West Virginia (23). Only wells in states WellCensus has ingested are counted.
How many of Sigma's wells are still active?
19 of Sigma's catalogued wells are active; 1 are plugged & abandoned and 3 are flagged as orphaned.
In which states does Sigma operate wells?
Sigma is the operator of record for wells in West Virginia (23).
Does Sigma operate mostly oil or gas wells?
0 of Sigma's catalogued wells are oil wells and 23 are gas wells; the rest are injection, service or unclassified wells.
Where Sigma'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, “Sigma — well portfolio”, https://wellcensus.com/operators/sigma-142376 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).