Chatham Associates
Operator of record for 12 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Chatham Associates is the operator of record for 12 catalogued U.S. oil & gas wells in 1 state. 6 (50%) are active, 1 (8%) plugged & abandoned and 5 flagged as orphaned. Its largest concentration is in Ohio, with 12 wells (100% of its portfolio).
Wells operated
12
Active
6
Plugged
1
Orphaned
5
Portfolio by state
| State | Wells |
|---|---|
| Ohio | 12 |
Well mix
- Oil wells
- 12
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 50%
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Claim Chatham Associates to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Chatham Associates operate?
Chatham Associates's catalogued wells are spread across 1 state: Ohio (12). Its 12 Ohio wells are 0.0% of the 242,052 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 Chatham Associates’s wells are active, plugged or orphaned?
50% of Chatham Associates's catalogued wells are active, 21 percentage points above the national share of 29%. 8% are plugged & abandoned, against 47% nationally. 5 wells filed under this name are flagged as orphaned — unplugged, with no operator able to plug them.
What kinds of wells does Chatham Associates operate?
By product class, 12 (100%) 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 Countryman E A 1 in Logan, OH at 1,898 ft. The wells listed below sit in Logan (OH) and Hardin (OH).
Notable wells operated by Chatham Associates
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Countryman E A 1 | 34-091-20038 | Orphaned | Oil | Logan, OH | Chatham Associates | 1,898 ft |
| Countrymen 1 | 34-065-20100 | Active | Oil | Hardin, OH | Chatham Associates | 1,894 ft |
| Patrick Katherine M 1 | 34-091-20068 | Orphaned | Oil | Logan, OH | Chatham Associates | 1,505 ft |
| Warnecke Meletus 1 | 34-091-20074 | Orphaned | Oil | Logan, OH | Chatham Associates | 1,500 ft |
| Thompson Howard 2 | 34-065-20110 | Active | Oil | Hardin, OH | Chatham Associates | 1,460 ft |
| Poe Douglas # 1 | 34-065-20109 | Plugged & abandoned | Oil | Hardin, OH | Chatham Associates | 1,445 ft |
| Acheson Harold & Verla 2 | 34-065-20111 | Active | Oil | Hardin, OH | Chatham Associates | 1,440 ft |
| Elder Beulah 1 | 34-091-20033 | Orphaned | Oil | Logan, OH | Chatham Associates | 1,436 ft |
| Golliday James B 1 | 34-091-20034 | Orphaned | Oil | Logan, OH | Chatham Associates | 1,423 ft |
| Arbogost Margaret M 1 | 34-065-20112 | Active | Oil | Hardin, OH | Chatham Associates | 1,418 ft |
| Zimmerman B 1 | 34-065-20096 | Active | Oil | Hardin, OH | Chatham Associates | 0 ft |
| Mccarty 1 | 34-065-20092 | Active | Oil | Hardin, OH | Chatham Associates | 0 ft |
Deepest first where depth is published. See all 12 wells →
Frequently asked questions
How many wells does Chatham Associates operate?
Chatham Associates is the operator of record for 12 catalogued oil & gas wells, with the largest concentration in Ohio (12). Only wells in states WellCensus has ingested are counted.
How many of Chatham Associates's wells are still active?
6 of Chatham Associates's catalogued wells are active; 1 are plugged & abandoned and 5 are flagged as orphaned.
In which states does Chatham Associates operate wells?
Chatham Associates is the operator of record for wells in Ohio (12).
Does Chatham Associates operate mostly oil or gas wells?
12 of Chatham Associates's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Chatham Associates's deepest well?
Among wells with a published depth, Countryman E A 1 in Logan, OH is the deepest at 1,898 ft.
Where Chatham Associates'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, “Chatham Associates — well portfolio”, https://wellcensus.com/operators/chatham-associates-71255 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).