Gary Drilling
Operator of record for 18 catalogued wells across 4 states. Every well below links to its full registry page.
Filed as: GARY DRILLING CO · Gary Drilling · Gary Drilling Co. · Gary Drilling Company
At a glance
Gary Drilling is the operator of record for 18 catalogued U.S. oil & gas wells in 4 states. None is listed as active, 14 (78%) are plugged & abandoned. Its largest concentration is in California, with 12 wells (67% of its portfolio).
Wells operated
18
Active
0
Plugged
14
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 12 |
| Montana | 4 |
| Arkansas | 1 |
| Wyoming | 1 |
Well mix
- Oil wells
- 3
- Gas wells
- 7
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Gary Drilling operate?
Gary Drilling's catalogued wells are spread across 4 states: California (12), Montana (4), Arkansas (1) and Wyoming (1). Its 4 Montana wells are 0.0% of the 42,011 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 Gary Drilling’s wells are active, plugged or orphaned?
0% of Gary Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 78% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Gary Drilling operate?
By product class, 3 (17%) are oil wells and 7 (39%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Christensen 2-3 in Sheridan, MT at 8,910 ft. The wells listed below sit in Sheridan (MT), Big Horn (MT), Yellowstone (MT), Prairie (MT), Washakie (WY) and Howard (AR) and other counties. State filings spell the name 4 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Gary Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Christensen 2-3 | 25-091-21239 | Plugged & abandoned | Other type | Sheridan, MT | Gary Drilling Co. | 8,910 ft |
| Federal White 30-3 | 25-003-21025 | Plugged & abandoned | Other type | Big Horn, MT | Gary Drilling Co. | 8,200 ft |
| Larson 7-1 | 25-111-21170 | Other status | Other type | Yellowstone, MT | Gary Drilling Co. | 6,110 ft |
| Nprr S-27-2 | 25-079-05001 | Plugged & abandoned | Other type | Prairie, MT | Gary Drilling Co. | 5,600 ft |
| So Nowood Ut 81-0274 1 | 49-043-20687 | Plugged & abandoned | Gas | Washakie, WY | Gary Drilling Co | 4,996 ft |
| Scott, Joe D 1 | 03-061-00013 | Plugged & abandoned | Oil | Howard, AR | Gary Drilling | 1,909 ft |
| Armstrong 1R-9 | 04-011-20507 | Plugged & abandoned | Gas | Colusa, CA | Gary Drilling Company | — |
| Portwood 1 | 04-029-62407 | Other status | Oil | Kern, CA | Gary Drilling Company | — |
| Lease by Gary Drilling Company 5-64-22N | 04-029-67033 | Plugged & abandoned | Gas | Kern, CA | Gary Drilling Company | — |
| Kalfsbeek 2 | 04-011-00242 | Plugged & abandoned | Gas | Colusa, CA | Gary Drilling Company | — |
| Gill Ranch 1-12 | 04-039-20066 | Plugged & abandoned | Other type | Madera, CA | Gary Drilling Company | — |
| Bomberger 1 | 04-077-20604 | Plugged & abandoned | Other type | San Joaquin, CA | Gary Drilling Company | — |
Deepest first where depth is published. See all 18 wells →
Frequently asked questions
How many wells does Gary Drilling operate?
Gary Drilling is the operator of record for 18 catalogued oil & gas wells, with the largest concentration in California (12). Only wells in states WellCensus has ingested are counted.
How many of Gary Drilling's wells are still active?
0 of Gary Drilling's catalogued wells are active; 14 are plugged & abandoned.
In which states does Gary Drilling operate wells?
Gary Drilling is the operator of record for wells in California (12), Montana (4), Arkansas (1) and Wyoming (1).
Does Gary Drilling operate mostly oil or gas wells?
3 of Gary Drilling's catalogued wells are oil wells and 7 are gas wells; the rest are injection, service or unclassified wells.
What is Gary Drilling's deepest well?
Among wells with a published depth, Christensen 2-3 in Sheridan, MT is the deepest at 8,910 ft.
Where Gary Drilling'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, “Gary Drilling — well portfolio”, https://wellcensus.com/operators/gary-drilling-5421 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).