Hartley Natural Resource Development
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hartley Natural Resource Development is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 11 (92%) are plugged & abandoned and 1 flagged as orphaned. Its largest concentration is in California, with 12 wells (100% of its portfolio).
Wells operated
12
Active
0
Plugged
11
Orphaned
1
Portfolio by state
| State | Wells |
|---|---|
| California | 12 |
Well mix
- Oil wells
- 4
- Gas wells
- 3
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Hartley Natural Resource Development operate?
Hartley Natural Resource Development's catalogued wells are spread across 1 state: California (12). Its 12 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 Hartley Natural Resource Development’s wells are active, plugged or orphaned?
0% of Hartley Natural Resource Development's catalogued wells are active, 29 percentage points below the national share of 29%. 92% are plugged & abandoned, against 47% nationally. 1 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Hartley Natural Resource Development operate?
By product class, 4 (33%) are oil wells and 3 (25%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Yolo (CA) and Kern (CA).
Notable wells operated by Hartley Natural Resource Development
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Abele Farms 1-32 | 04-113-21004 | Plugged & abandoned | Other type | Yolo, CA | Hartley Natural Resource Development | — |
| Abele Farms 1-33 | 04-113-21021 | Plugged & abandoned | Gas | Yolo, CA | Hartley Natural Resource Development | — |
| AROW-Knaggs 1 | 04-113-20426 | Plugged & abandoned | Gas | Yolo, CA | Hartley Natural Resource Development | — |
| Cities Unit 1 | 04-113-20865 | Plugged & abandoned | Other type | Yolo, CA | Hartley Natural Resource Development | — |
| T.S.A. 14x | 04-029-77006 | Orphaned | Oil | Kern, CA | Hartley Natural Resource Development | — |
| Tenneco OG-842 1 | 04-029-78522 | Plugged & abandoned | Oil | Kern, CA | Hartley Natural Resource Development | — |
| W.F. Moore 15X | 04-029-77460 | Plugged & abandoned | Oil | Kern, CA | Hartley Natural Resource Development | — |
| Shafter Gas Unit 1-18 | 04-029-78304 | Plugged & abandoned | Oil | Kern, CA | Hartley Natural Resource Development | — |
| Hershey Land 2-28 | 04-113-20795 | Plugged & abandoned | Gas | Yolo, CA | Hartley Natural Resource Development | — |
| Staib 2-31 | 04-113-20892 | Plugged & abandoned | Other type | Yolo, CA | Hartley Natural Resource Development | — |
| Liles 1-29 | 04-113-21047 | Plugged & abandoned | Other type | Yolo, CA | Hartley Natural Resource Development | — |
| Zamora Unit 1 | 04-113-20940 | Plugged & abandoned | Other type | Yolo, CA | Hartley Natural Resource Development | — |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Hartley Natural Resource Development operate?
Hartley Natural Resource Development is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in California (12). Only wells in states WellCensus has ingested are counted.
How many of Hartley Natural Resource Development's wells are still active?
0 of Hartley Natural Resource Development's catalogued wells are active; 11 are plugged & abandoned and 1 are flagged as orphaned.
In which states does Hartley Natural Resource Development operate wells?
Hartley Natural Resource Development is the operator of record for wells in California (12).
Does Hartley Natural Resource Development operate mostly oil or gas wells?
4 of Hartley Natural Resource Development's catalogued wells are oil wells and 3 are gas wells; the rest are injection, service or unclassified wells.
Where Hartley Natural Resource Development'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, “Hartley Natural Resource Development — well portfolio”, https://wellcensus.com/operators/hartley-natural-resource-development-8209 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).