Coulston Drilling
Operator of record for 15 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: COULSTON DRILLING COMPANY · Coulston Drilling Company
At a glance
Coulston Drilling is the operator of record for 15 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 15 (100%) are plugged & abandoned. Its largest concentration is in Arkansas, with 14 wells (93% of its portfolio).
Wells operated
15
Active
0
Plugged
15
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Arkansas | 14 |
| Wyoming | 1 |
Well mix
- Oil wells
- 15
- Gas wells
- 0
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Coulston Drilling to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Coulston Drilling operate?
Coulston Drilling's catalogued wells are spread across 2 states: Arkansas (14) and Wyoming (1). Its 14 Arkansas wells are 0.0% of the 33,791 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 Coulston Drilling’s wells are active, plugged or orphaned?
0% of Coulston Drilling's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Coulston Drilling operate?
By product class, 15 (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 Cornelius Estate 3 in Lafayette, AR at 8,340 ft. The wells listed below sit in Lafayette (AR), Columbia (AR), Miller (AR) and Nevada (AR). 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 Coulston Drilling
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Cornelius Estate 3 | 03-073-01050 | Plugged & abandoned | Oil | Lafayette, AR | Coulston Drilling Company | 8,340 ft |
| Cornelius Estate 2 | 03-073-00651 | Plugged & abandoned | Oil | Lafayette, AR | Coulston Drilling Company | 8,234 ft |
| Moore, Hy Est 1 | 03-073-01003 | Plugged & abandoned | Oil | Lafayette, AR | Coulston Drilling Company | 7,724 ft |
| McAlister, J C 1 | 03-027-00430 | Plugged & abandoned | Oil | Columbia, AR | Coulston Drilling Company | 6,717 ft |
| Gunter, E F 1 | 03-027-00451 | Plugged & abandoned | Oil | Columbia, AR | Coulston Drilling Company | 6,574 ft |
| Gunter Land & Timber Co 2 | 03-027-00452 | Plugged & abandoned | Oil | Columbia, AR | Coulston Drilling Company | 6,560 ft |
| Sanders, H O 1 | 03-027-00453 | Plugged & abandoned | Oil | Columbia, AR | Coulston Drilling Company | 6,538 ft |
| Watts, Raymond et al 1 | 03-091-01168 | Plugged & abandoned | Oil | Miller, AR | Coulston Drilling Company | 6,375 ft |
| Smith, Hagler 1 | 03-091-01169 | Plugged & abandoned | Oil | Miller, AR | Coulston Drilling Company | 6,300 ft |
| Reeks, E E 1 | 03-091-00903 | Plugged & abandoned | Oil | Miller, AR | Coulston Drilling Company | 6,297 ft |
| Fincher Estate 1 | 03-099-10039 | Plugged & abandoned | Oil | Nevada, AR | Coulston Drilling Company | 6,057 ft |
| Mills, Mrs Nancy 1 | 03-091-00734 | Plugged & abandoned | Oil | Miller, AR | Coulston Drilling Company | 5,848 ft |
Deepest first where depth is published. See all 15 wells →
Frequently asked questions
How many wells does Coulston Drilling operate?
Coulston Drilling is the operator of record for 15 catalogued oil & gas wells, with the largest concentration in Arkansas (14). Only wells in states WellCensus has ingested are counted.
How many of Coulston Drilling's wells are still active?
0 of Coulston Drilling's catalogued wells are active; 15 are plugged & abandoned.
In which states does Coulston Drilling operate wells?
Coulston Drilling is the operator of record for wells in Arkansas (14) and Wyoming (1).
Does Coulston Drilling operate mostly oil or gas wells?
15 of Coulston Drilling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Coulston Drilling's deepest well?
Among wells with a published depth, Cornelius Estate 3 in Lafayette, AR is the deepest at 8,340 ft.
Where Coulston 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, “Coulston Drilling — well portfolio”, https://wellcensus.com/operators/coulston-drilling-27137 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).