Shaffer Oil
Operator of record for 16 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: SHAFFER OIL · SHAFFER OIL CO · Shaffer Oil Co · Shaffer Oil Co., Inc.
At a glance
Shaffer Oil is the operator of record for 16 catalogued U.S. oil & gas wells in 5 states. None is listed as active, 13 (81%) are plugged & abandoned. Its largest concentration is in Kansas, with 7 wells (44% of its portfolio).
Wells operated
16
Active
0
Plugged
13
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 7 |
| Michigan | 4 |
| Wyoming | 3 |
| Illinois | 1 |
| Kentucky | 1 |
Well mix
- Oil wells
- 9
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
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Claim your operator profileWhere does Shaffer Oil operate?
Shaffer Oil's catalogued wells are spread across 5 states: Kansas (7), Michigan (4), Wyoming (3), Illinois (1) and Kentucky (1). Its 4 Michigan wells are 0.0% of the 85,673 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 Shaffer Oil’s wells are active, plugged or orphaned?
0% of Shaffer Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 81% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Shaffer Oil operate?
By product class, 9 (56%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Saya, John 1 in Mason, MI at 2,480 ft. The wells listed below sit in Mason (MI), Kent (MI), Greenwood (KS), Muskegon (MI), Crawford (IL) and Cass (MI). 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 Shaffer Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Saya, John 1 | 21-105-24454 | Other status | Other type | Mason, MI | Shaffer Oil Co | 2,480 ft |
| Coalter-Green Comm 1 | 21-081-27063 | Other status | Other type | Kent, MI | Shaffer Oil Co | 2,364 ft |
| Schindler 2 | 15-073-70094 | Plugged & abandoned | Injection | Greenwood, KS | Shaffer Oil Co., Inc. | 1,780 ft |
| Sauder 4 | 15-073-70308 | Plugged & abandoned | Oil | Greenwood, KS | Shaffer Oil Co., Inc. | 1,776 ft |
| Imthurn 34 | 15-073-70230 | Plugged & abandoned | Oil | Greenwood, KS | Shaffer Oil Co., Inc. | 1,769 ft |
| Schneider 23 | 15-073-70062 | Plugged & abandoned | Oil | Greenwood, KS | Shaffer Oil Co., Inc. | 1,766 ft |
| Sauder 8-B | 15-073-70068 | Plugged & abandoned | Oil | Greenwood, KS | Shaffer Oil Co., Inc. | 1,732 ft |
| Sauder 2-B | 15-073-70188 | Plugged & abandoned | Injection | Greenwood, KS | Shaffer Oil Co., Inc. | 1,712 ft |
| Nesco Inc 1 | 21-121-26783 | Plugged & abandoned | Other type | Muskegon, MI | Shaffer Oil Co | 1,682 ft |
| Imthurn 8 | 15-073-00612 | Plugged & abandoned | Oil | Greenwood, KS | Shaffer Oil Co., Inc. | 1,592 ft |
| Parker, S. J. 4 | 12-033-30396 | Plugged & abandoned | Oil | Crawford, IL | Shaffer Oil Co | 1,020 ft |
| Rosser, Edward Et Al 1 | 21-027-23614 | Other status | Other type | Cass, MI | Shaffer Oil Co | 737 ft |
Deepest first where depth is published. See all 16 wells →
Frequently asked questions
How many wells does Shaffer Oil operate?
Shaffer Oil is the operator of record for 16 catalogued oil & gas wells, with the largest concentration in Kansas (7). Only wells in states WellCensus has ingested are counted.
How many of Shaffer Oil's wells are still active?
0 of Shaffer Oil's catalogued wells are active; 13 are plugged & abandoned.
In which states does Shaffer Oil operate wells?
Shaffer Oil is the operator of record for wells in Kansas (7), Michigan (4), Wyoming (3), Illinois (1) and Kentucky (1).
Does Shaffer Oil operate mostly oil or gas wells?
9 of Shaffer Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Shaffer Oil's deepest well?
Among wells with a published depth, Saya, John 1 in Mason, MI is the deepest at 2,480 ft.
Where Shaffer Oil's wells are
- Oil & gas wells in Kansas· 7 operated by Shaffer Oil
- Oil & gas wells in Michigan· 4 operated by Shaffer Oil
- Oil & gas wells in Wyoming· 3 operated by Shaffer Oil
- Oil & gas wells in Illinois· 1 operated by Shaffer Oil
- Oil & gas wells in Kentucky· 1 operated by Shaffer Oil
- Largest U.S. well operators
- All well operators
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, “Shaffer Oil — well portfolio”, https://wellcensus.com/operators/shaffer-oil-28910 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).