Mountainside Energy Operating
Operator of record for 103 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Mountainside Energy Operating is the operator of record for 103 catalogued U.S. oil & gas wells in 1 state. 102 (99%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in Oklahoma, with 103 wells (100% of its portfolio).
Wells operated
103
Active
102
Plugged
0
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 103 |
Well mix
- Oil wells
- 4
- Gas wells
- 96
- Shut-in
- 1
- Active share
- 99%
Is this your company?
Claim Mountainside Energy Operating to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Mountainside Energy Operating operate?
Mountainside Energy Operating's catalogued wells are spread across 1 state: Oklahoma (103). Its 103 Oklahoma wells are 0.0% of the 456,595 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 Mountainside Energy Operating’s wells are active, plugged or orphaned?
99% of Mountainside Energy Operating's catalogued wells are active, 70 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. 1 wells (1.0%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Mountainside Energy Operating operate?
By product class, 4 (4%) are oil wells and 96 (93%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Texas (OK) and Washita (OK).
Notable wells operated by Mountainside Energy Operating
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Leon Allen #2 | 35-139-35467 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| J.C. Walters #19-4 | 35-149-20715 | Active | Gas | Washita, OK | Mountainside Energy Operating, LLC | — |
| Porter Unit (Porter 1) #1 | 35-139-01672 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| M.L. Guier #1r | 35-139-23309 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| You-Gene #14 #1 | 35-139-23600 | Active | Other type | Texas, OK | Mountainside Energy Operating, LLC | — |
| Kate Jackson #2r | 35-139-24029 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| J. C. Walter #3-19 | 35-149-20617 | Active | Gas | Washita, OK | Mountainside Energy Operating, LLC | — |
| Erhart A R #1 | 35-139-00788 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| Tryon L.E. #1 | 35-139-00797 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| L C Christian #1 | 35-139-00116 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| Olson "B" Unit #1 | 35-139-00743 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
| Lee Willoughby Unit #1 | 35-139-00971 | Active | Gas | Texas, OK | Mountainside Energy Operating, LLC | — |
Deepest first where depth is published. See all 103 wells →
Frequently asked questions
How many wells does Mountainside Energy Operating operate?
Mountainside Energy Operating is the operator of record for 103 catalogued oil & gas wells, with the largest concentration in Oklahoma (103). Only wells in states WellCensus has ingested are counted.
How many of Mountainside Energy Operating's wells are still active?
102 of Mountainside Energy Operating's catalogued wells are active; 0 are plugged & abandoned.
In which states does Mountainside Energy Operating operate wells?
Mountainside Energy Operating is the operator of record for wells in Oklahoma (103).
Does Mountainside Energy Operating operate mostly oil or gas wells?
4 of Mountainside Energy Operating's catalogued wells are oil wells and 96 are gas wells; the rest are injection, service or unclassified wells.
Where Mountainside Energy Operating'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, “Mountainside Energy Operating — well portfolio”, https://wellcensus.com/operators/mountainside-energy-operating-2243 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).