Ht Hilliard &
Operator of record for 17 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Ht Hilliard & is the operator of record for 17 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 17 (100%) are plugged & abandoned. Its largest concentration is in California, with 17 wells (100% of its portfolio).
Wells operated
17
Active
0
Plugged
17
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 17 |
Well mix
- Oil wells
- 0
- Gas wells
- 7
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Ht Hilliard & operate?
Ht Hilliard &'s catalogued wells are spread across 1 state: California (17). Its 17 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 Ht Hilliard &’s wells are active, plugged or orphaned?
0% of Ht Hilliard &'s catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Ht Hilliard & operate?
By product class, 0 (0%) are oil wells and 7 (41%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Solano (CA), Glenn (CA), Yolo (CA) and Santa Barbara (CA).
Notable wells operated by Ht Hilliard &
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Peters-Iriart 1 | 04-095-20814 | Plugged & abandoned | Other type | Solano, CA | H. T. Hilliard & Co. | — |
| Schonauer-NGC 3-10 | 04-021-20541 | Plugged & abandoned | Other type | Glenn, CA | H. T. Hilliard & Co. | — |
| Reimann-NGC 1-28 | 04-021-20529 | Plugged & abandoned | Other type | Glenn, CA | H. T. Hilliard & Co. | — |
| Pardi 1 | 04-095-20815 | Plugged & abandoned | Other type | Solano, CA | H. T. Hilliard & Co. | — |
| NF-PF University 1 | 04-095-20809 | Plugged & abandoned | Other type | Solano, CA | H. T. Hilliard & Co. | — |
| Pope et al 1 | 04-113-20856 | Plugged & abandoned | Gas | Yolo, CA | H. T. Hilliard & Co. | — |
| Petersen 1 | 04-113-20880 | Plugged & abandoned | Gas | Yolo, CA | H. T. Hilliard & Co. | — |
| McCray 1 | 04-083-22097 | Plugged & abandoned | Other type | Santa Barbara, CA | H. T. Hilliard & Co. | — |
| A-V Land 1 | 04-113-20851 | Plugged & abandoned | Gas | Yolo, CA | H. T. Hilliard & Co. | — |
| Vereschagin-NGC 1-13 | 04-021-20534 | Plugged & abandoned | Other type | Glenn, CA | H. T. Hilliard & Co. | — |
| Yolo Ranch 1-16 | 04-113-20959 | Plugged & abandoned | Gas | Yolo, CA | H. T. Hilliard & Co. | — |
| Glide 1-35 | 04-113-20962 | Plugged & abandoned | Other type | Yolo, CA | H. T. Hilliard & Co. | — |
Deepest first where depth is published. See all 17 wells →
Frequently asked questions
How many wells does Ht Hilliard & operate?
Ht Hilliard & is the operator of record for 17 catalogued oil & gas wells, with the largest concentration in California (17). Only wells in states WellCensus has ingested are counted.
How many of Ht Hilliard &'s wells are still active?
0 of Ht Hilliard &'s catalogued wells are active; 17 are plugged & abandoned.
In which states does Ht Hilliard & operate wells?
Ht Hilliard & is the operator of record for wells in California (17).
Does Ht Hilliard & operate mostly oil or gas wells?
0 of Ht Hilliard &'s catalogued wells are oil wells and 7 are gas wells; the rest are injection, service or unclassified wells.
Where Ht Hilliard &'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, “Ht Hilliard & — well portfolio”, https://wellcensus.com/operators/ht-hilliard-5789 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).