Mansfield Cb
Operator of record for 108 catalogued wells across 3 states. Every well below links to its full registry page.
Filed as: MANSFIELD C B · MANSFIELD, C B · Mansfield, C. B.
At a glance
Mansfield Cb is the operator of record for 108 catalogued U.S. oil & gas wells in 3 states. 6 (6%) are active, 101 (94%) plugged & abandoned. Its largest concentration is in Illinois, with 95 wells (88% of its portfolio).
Wells operated
108
Active
6
Plugged
101
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 95 |
| Wyoming | 9 |
| Kentucky | 4 |
Well mix
- Oil wells
- 56
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 6%
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Claim your operator profileWhere does Mansfield Cb operate?
Mansfield Cb's catalogued wells are spread across 3 states: Illinois (95), Wyoming (9) and Kentucky (4). Its 95 Illinois wells are 0.1% of the 174,478 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 Mansfield Cb’s wells are active, plugged or orphaned?
6% of Mansfield Cb's catalogued wells are active, 23 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 Mansfield Cb operate?
By product class, 56 (52%) are oil wells and 1 (0.9%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Us Unit-2 1 in Campbell, WY at 7,475 ft. The wells listed below sit in Campbell (WY) and Jasper (IL). State filings spell the name 3 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Mansfield Cb
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Us Unit-2 1 | 49-005-23198 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 7,475 ft |
| T G Jenkins-Us 1 | 49-005-22257 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 7,450 ft |
| Us Unit-1 1 | 49-005-23134 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 7,435 ft |
| Elmer Oedekoven-USA 1 | 49-005-22614 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 7,238 ft |
| Ray & Nona Cutler 1 | 49-005-22115 | Plugged & abandoned | Gas | Campbell, WY | Mansfield C B | 7,142 ft |
| U S A 1-8 | 49-005-22758 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 7,076 ft |
| Cutler Patented 1 | 49-005-22849 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 6,990 ft |
| State-Mansfield 1 | 49-005-22544 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 6,979 ft |
| Oedekoven 1 | 49-005-22850 | Plugged & abandoned | Oil | Campbell, WY | Mansfield C B | 6,972 ft |
| Crouse, J. M. 1 | 12-079-01110 | Plugged & abandoned | Other type | Jasper, IL | Mansfield, C. B. | 3,210 ft |
| Meryman Community 1 | 12-079-01095 | Plugged & abandoned | Other type | Jasper, IL | Mansfield, C. B. | 3,161 ft |
| Boehl 1 | 12-079-00996 | Active | Injection | Jasper, IL | Mansfield, C. B. | 2,881 ft |
Deepest first where depth is published. See all 108 wells →
Frequently asked questions
How many wells does Mansfield Cb operate?
Mansfield Cb is the operator of record for 108 catalogued oil & gas wells, with the largest concentration in Illinois (95). Only wells in states WellCensus has ingested are counted.
How many of Mansfield Cb's wells are still active?
6 of Mansfield Cb's catalogued wells are active; 101 are plugged & abandoned.
In which states does Mansfield Cb operate wells?
Mansfield Cb is the operator of record for wells in Illinois (95), Wyoming (9) and Kentucky (4).
Does Mansfield Cb operate mostly oil or gas wells?
56 of Mansfield Cb's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Mansfield Cb's deepest well?
Among wells with a published depth, Us Unit-2 1 in Campbell, WY is the deepest at 7,475 ft.
Where Mansfield Cb'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, “Mansfield Cb — well portfolio”, https://wellcensus.com/operators/mansfield-cb-29801 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).