Sierra Oil
Operator of record for 17 catalogued wells across 2 states. Every well below links to its full registry page.
Wells operated
17
Active
0
Plugged
7
Orphaned
10
Portfolio by state
| State | Wells |
|---|---|
| California | 13 |
| Illinois | 4 |
Well mix
- Oil wells
- 11
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileNotable wells operated by Sierra Oil
| Well | API # | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Messner 1 | 12-117-22691 | Plugged & abandoned | Other type | Macoupin, IL | Sierra Oil Co. | 490 ft |
| Ahrling 1-S | 12-117-22725 | Orphaned | Gas | Macoupin, IL | Sierra Oil Co. | 474 ft |
| Kulenkamp 1 | 12-117-22728 | Orphaned | Other type | Macoupin, IL | Sierra Oil Co. | 440 ft |
| Smith 1 | 12-117-22690 | Plugged & abandoned | Other type | Macoupin, IL | Sierra Oil Co. | 294 ft |
| Lease by Sierra Oil Co. 3 | 04-037-26074 | Orphaned | Oil | Los Angeles, CA | Sierra Oil Co. | — |
| Lease by Sierra Oil Co. 6 | 04-037-26075 | Orphaned | Oil | Los Angeles, CA | Sierra Oil Co. | — |
| Lease by Sierra Oil Co. 7 | 04-037-26076 | Orphaned | Oil | Los Angeles, CA | Sierra Oil Co. | — |
| Lease by Sierra Oil Co. 5 | 04-037-26077 | Orphaned | Oil | Los Angeles, CA | Sierra Oil Co. | — |
| Sierra Oil Co. 1 | 04-029-32802 | Plugged & abandoned | Other type | Kern, CA | Sierra Oil Co. | — |
| Farnsworth 1 | 04-059-05981 | Plugged & abandoned | Oil | Orange, CA | Sierra Oil Co. | — |
| Farnsworth 3 | 04-059-05982 | Plugged & abandoned | Oil | Orange, CA | Sierra Oil Co. | — |
| Lease by Sierra Oil Co. 2 | 04-037-26070 | Orphaned | Oil | Los Angeles, CA | Sierra Oil Co. | — |
Deepest first where depth is published; find any well via search.
Frequently asked questions
How many wells does Sierra Oil operate?
Sierra Oil is the operator of record for 17 catalogued oil & gas wells, with the largest concentration in California (13). Only wells in states WellCensus has ingested are counted.
How many of Sierra Oil's wells are still active?
0 of Sierra Oil's catalogued wells are active; 7 are plugged & abandoned and 10 are flagged as orphaned.
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).