Donald C Slawson Expl
Operator of record for 99 catalogued wells across 1 state. Every well below links to its full registry page.
Filed as: Donald C Slawson Expl Co., Inc · Donald C. Slawson Expl.Co.,Inc.
At a glance
Donald C Slawson Expl is the operator of record for 99 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 93 (94%) are plugged & abandoned. Its largest concentration is in California, with 99 wells (100% of its portfolio).
Wells operated
99
Active
0
Plugged
93
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| California | 99 |
Well mix
- Oil wells
- 0
- Gas wells
- 74
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Donald C Slawson Expl operate?
Donald C Slawson Expl's catalogued wells are spread across 1 state: California (99). Its 99 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 Donald C Slawson Expl’s wells are active, plugged or orphaned?
0% of Donald C Slawson Expl's catalogued wells are active, 29 percentage points below the national share of 29%. 94% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Donald C Slawson Expl operate?
By product class, 0 (0%) are oil wells and 74 (75%) gas wells; nationally the shares are 43% and 17%. The wells listed below sit in Solano (CA), Yolo (CA), Glenn (CA) and Colusa (CA). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Donald C Slawson Expl
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Anderson 1-15 | 04-095-21069 | Plugged & abandoned | Gas | Solano, CA | Donald C Slawson Expl Co., Inc | — |
| Mako 1-33 | 04-113-21108 | Plugged & abandoned | Other type | Yolo, CA | Donald C Slawson Expl Co., Inc | — |
| Hammerhead 1-8 | 04-113-21118 | Plugged & abandoned | Other type | Yolo, CA | Donald C Slawson Expl Co., Inc | — |
| Levee 1-29 | 04-021-20617 | Plugged & abandoned | Gas | Glenn, CA | Donald C Slawson Expl Co., Inc | — |
| Cain 1-27 | 04-011-20598 | Plugged & abandoned | Other type | Colusa, CA | Donald C Slawson Expl Co., Inc | — |
| Balsdon 1-7 | 04-011-20698 | Plugged & abandoned | Gas | Colusa, CA | Donald C Slawson Expl Co., Inc | — |
| Butte City 1-28 | 04-021-20613 | Plugged & abandoned | Other type | Glenn, CA | Donald C Slawson Expl Co., Inc | — |
| Erdman 1-26 | 04-011-20574 | Plugged & abandoned | Other type | Colusa, CA | Donald C Slawson Expl Co., Inc | — |
| Levee 2-29 | 04-021-20621 | Plugged & abandoned | Other type | Glenn, CA | Donald C Slawson Expl Co., Inc | — |
| Arcand 2-23 | 04-011-20610 | Plugged & abandoned | Other type | Colusa, CA | Donald C Slawson Expl Co., Inc | — |
| Caroline 1-12 | 04-011-20724 | Plugged & abandoned | Gas | Colusa, CA | Donald C Slawson Expl Co., Inc | — |
| Davisson 2-2 | 04-095-21136 | Plugged & abandoned | Gas | Solano, CA | Donald C Slawson Expl Co., Inc | — |
Deepest first where depth is published. See all 99 wells →
Frequently asked questions
How many wells does Donald C Slawson Expl operate?
Donald C Slawson Expl is the operator of record for 99 catalogued oil & gas wells, with the largest concentration in California (99). Only wells in states WellCensus has ingested are counted.
How many of Donald C Slawson Expl's wells are still active?
0 of Donald C Slawson Expl's catalogued wells are active; 93 are plugged & abandoned.
In which states does Donald C Slawson Expl operate wells?
Donald C Slawson Expl is the operator of record for wells in California (99).
Does Donald C Slawson Expl operate mostly oil or gas wells?
0 of Donald C Slawson Expl's catalogued wells are oil wells and 74 are gas wells; the rest are injection, service or unclassified wells.
Where Donald C Slawson Expl'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, “Donald C Slawson Expl — well portfolio”, https://wellcensus.com/operators/donald-c-slawson-expl-3827 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).