Emjayco
Operator of record for 76 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Emjayco · Emjayco, L. P.
At a glance
Emjayco is the operator of record for 76 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 65 (86%) are plugged & abandoned. Its largest concentration is in California, with 76 wells (100% of its portfolio).
Wells operated
76
Active
0
Plugged
65
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 76 |
Well mix
- Oil wells
- 68
- Gas wells
- 2
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Emjayco to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Emjayco operate?
Emjayco's catalogued wells are spread across 1 state: California (76). Its 76 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 Emjayco’s wells are active, plugged or orphaned?
0% of Emjayco's catalogued wells are active, 29 percentage points below the national share of 29%. 86% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Emjayco operate?
By product class, 68 (89%) are oil wells and 2 (3%) gas wells; nationally the shares are 43% and 17%. 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 Emjayco
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Vedder 12-4 | 04-029-08844 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Vedder 12-1 | 04-029-08841 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Vedder 12-8 | 04-029-08848 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Vedder-Parkford U.S. Lease 11 | 04-029-08859 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Brockman 10 | 04-029-06599 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Vedder-Parkford U.S. Lease 12 | 04-029-08860 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Dougherty 13 | 04-029-06614 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Vedder 12-6 | 04-029-08846 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Dougherty 9 | 04-029-00389 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Brown G-7 | 04-029-04668 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
| Brockman 9 | 04-029-06598 | Plugged & abandoned | Other type | Kern, CA | Emjayco, L. P. | — |
| Dougherty 8 | 04-029-06611 | Plugged & abandoned | Oil | Kern, CA | Emjayco, L. P. | — |
Deepest first where depth is published. See all 76 wells →
Frequently asked questions
How many wells does Emjayco operate?
Emjayco is the operator of record for 76 catalogued oil & gas wells, with the largest concentration in California (76). Only wells in states WellCensus has ingested are counted.
How many of Emjayco's wells are still active?
0 of Emjayco's catalogued wells are active; 65 are plugged & abandoned.
In which states does Emjayco operate wells?
Emjayco is the operator of record for wells in California (76).
Does Emjayco operate mostly oil or gas wells?
68 of Emjayco's catalogued wells are oil wells and 2 are gas wells; the rest are injection, service or unclassified wells.
Where Emjayco'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, “Emjayco — well portfolio”, https://wellcensus.com/operators/emjayco-10184 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).