Hamar Associates
Operator of record for 47 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Hamar Associates is the operator of record for 47 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 23 (49%) are plugged & abandoned. Its largest concentration is in California, with 47 wells (100% of its portfolio).
Wells operated
47
Active
0
Plugged
23
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 47 |
Well mix
- Oil wells
- 9
- Gas wells
- 36
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Hamar Associates operate?
Hamar Associates's catalogued wells are spread across 1 state: California (47). Its 47 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 Hamar Associates’s wells are active, plugged or orphaned?
0% of Hamar Associates's catalogued wells are active, 29 percentage points below the national share of 29%. 49% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Hamar Associates operate?
By product class, 9 (19%) are oil wells and 36 (77%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Tehama (CA) and Sutter (CA).
Notable wells operated by Hamar Associates
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Plymire Road 2 | 04-103-20257 | Plugged & abandoned | Gas | Tehama, CA | Hamar Associates, LLC | — |
| McClure 1-6 | 04-103-20245 | Plugged & abandoned | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Albertson 1-21 | 04-103-20263 | Plugged & abandoned | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Plymire Road 3 | 04-103-20278 | Other status | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Richter 1-20 | 04-101-20577 | Other status | Gas | Sutter, CA | Hamar Associates, LLC | — |
| Mackert 1-6 | 04-101-20560 | Plugged & abandoned | Gas | Sutter, CA | Hamar Associates, LLC | — |
| Reed 2-11 | 04-103-20255 | Plugged & abandoned | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Red Bluff 1 | 04-103-20273 | Other status | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Leiser Rd 1-7 | 04-101-20570 | Other status | Gas | Sutter, CA | Hamar Associates, LLC | — |
| Giusti 2-25 | 04-101-20590 | Plugged & abandoned | Gas | Sutter, CA | Hamar Associates, LLC | — |
| McClure 1-5 | 04-103-20256 | Plugged & abandoned | Gas | Tehama, CA | Hamar Associates, LLC | — |
| Mackert 3-31 | 04-101-20596 | Plugged & abandoned | Gas | Sutter, CA | Hamar Associates, LLC | — |
Deepest first where depth is published. See all 47 wells →
Frequently asked questions
How many wells does Hamar Associates operate?
Hamar Associates is the operator of record for 47 catalogued oil & gas wells, with the largest concentration in California (47). Only wells in states WellCensus has ingested are counted.
How many of Hamar Associates's wells are still active?
0 of Hamar Associates's catalogued wells are active; 23 are plugged & abandoned.
In which states does Hamar Associates operate wells?
Hamar Associates is the operator of record for wells in California (47).
Does Hamar Associates operate mostly oil or gas wells?
9 of Hamar Associates's catalogued wells are oil wells and 36 are gas wells; the rest are injection, service or unclassified wells.
Where Hamar Associates'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, “Hamar Associates — well portfolio”, https://wellcensus.com/operators/hamar-associates-3381 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).