Roy Gill & Assoc
Operator of record for 6 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Roy Gill & Assoc is the operator of record for 6 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 6 (100%) are plugged & abandoned. Its largest concentration is in California, with 6 wells (100% of its portfolio).
Wells operated
6
Active
0
Plugged
6
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 6 |
Well mix
- Oil wells
- 4
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim Roy Gill & Assoc to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Roy Gill & Assoc operate?
Roy Gill & Assoc's catalogued wells are spread across 1 state: California (6). Its 6 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 Roy Gill & Assoc’s wells are active, plugged or orphaned?
0% of Roy Gill & Assoc'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 Roy Gill & Assoc operate?
By product class, 4 (67%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Los Angeles (CA), Orange (CA) and Ventura (CA).
Notable wells operated by Roy Gill & Assoc
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Mittry 1 | 04-037-05425 | Plugged & abandoned | Other type | Los Angeles, CA | Roy Gill & Assoc. | — |
| Hook 1 | 04-059-05175 | Plugged & abandoned | Oil | Orange, CA | Roy Gill & Assoc. | — |
| Gill 1 | 04-111-05838 | Plugged & abandoned | Other type | Ventura, CA | Roy Gill & Assoc. | — |
| Cole 1 | 04-059-01802 | Plugged & abandoned | Oil | Orange, CA | Roy Gill & Assoc. | — |
| Diane Wells 1 | 04-059-01803 | Plugged & abandoned | Oil | Orange, CA | Roy Gill & Assoc. | — |
| Lyons 1 | 04-059-01804 | Plugged & abandoned | Oil | Orange, CA | Roy Gill & Assoc. | — |
Deepest first where depth is published. See all 6 wells →
Frequently asked questions
How many wells does Roy Gill & Assoc operate?
Roy Gill & Assoc is the operator of record for 6 catalogued oil & gas wells, with the largest concentration in California (6). Only wells in states WellCensus has ingested are counted.
How many of Roy Gill & Assoc's wells are still active?
0 of Roy Gill & Assoc's catalogued wells are active; 6 are plugged & abandoned.
In which states does Roy Gill & Assoc operate wells?
Roy Gill & Assoc is the operator of record for wells in California (6).
Does Roy Gill & Assoc operate mostly oil or gas wells?
4 of Roy Gill & Assoc's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
Where Roy Gill & Assoc'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, “Roy Gill & Assoc — well portfolio”, https://wellcensus.com/operators/roy-gill-assoc-3592 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).