Harken Exploration
Operator of record for 53 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: HARKEN EXPLORATION COMPANY · Harken Exploration Co
At a glance
Harken Exploration is the operator of record for 53 catalogued U.S. oil & gas wells in 2 states. None is listed as active, 53 (100%) are plugged & abandoned. Its largest concentration is in Oklahoma, with 48 wells (91% of its portfolio).
Wells operated
53
Active
0
Plugged
53
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Oklahoma | 48 |
| Arkansas | 5 |
Well mix
- Oil wells
- 15
- Gas wells
- 11
- Shut-in
- 0
- Active share
- 0%
Is this your company?
Claim Harken Exploration to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Harken Exploration operate?
Harken Exploration's catalogued wells are spread across 2 states: Oklahoma (48) and Arkansas (5). Its 5 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 Harken Exploration’s wells are active, plugged or orphaned?
0% of Harken Exploration'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 Harken Exploration operate?
By product class, 15 (28%) are oil wells and 11 (21%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Franks-Nipper 2 in Columbia, AR at 8,660 ft. The wells listed below sit in Columbia (AR), Major (OK), Lincoln (OK), Haskell (OK) and Harper (OK). 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 Harken Exploration
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Franks-Nipper 2 | 03-027-11197 | Plugged & abandoned | Oil | Columbia, AR | Harken Exploration Co | 8,660 ft |
| Link Warnock 2 | 03-027-11582 | Plugged & abandoned | Oil | Columbia, AR | Harken Exploration Co | 8,615 ft |
| Warnock 1 | 03-027-10232 | Plugged & abandoned | Oil | Columbia, AR | Harken Exploration Co | 8,611 ft |
| Kirkpatrick 2 | 03-027-10344 | Plugged & abandoned | Oil | Columbia, AR | Harken Exploration Co | 8,600 ft |
| Snider-Dodson 1 | 03-027-10106 | Plugged & abandoned | Oil | Columbia, AR | Harken Exploration Co | 8,224 ft |
| Edna Sunderman #1 | 35-093-22060 | Plugged & abandoned | Oil | Major, OK | Harken Exploration Company | — |
| Edna Lindley #1 | 35-093-22090 | Plugged & abandoned | Oil | Major, OK | Harken Exploration Company | — |
| Rodman #1-5 | 35-081-21644 | Plugged & abandoned | Other type | Lincoln, OK | Harken Exploration Company | — |
| Olga Martens #a-2 | 35-093-21869 | Plugged & abandoned | Oil | Major, OK | Harken Exploration Company | — |
| H.Suderman #1 | 35-093-21861 | Plugged & abandoned | Oil | Major, OK | Harken Exploration Company | — |
| Means #1-35 | 35-061-20503 | Plugged & abandoned | Gas | Haskell, OK | Harken Exploration Company | — |
| Patsy #3 #4 | 35-059-21538 | Plugged & abandoned | Gas | Harper, OK | Harken Exploration Company | — |
Deepest first where depth is published. See all 53 wells →
Frequently asked questions
How many wells does Harken Exploration operate?
Harken Exploration is the operator of record for 53 catalogued oil & gas wells, with the largest concentration in Oklahoma (48). Only wells in states WellCensus has ingested are counted.
How many of Harken Exploration's wells are still active?
0 of Harken Exploration's catalogued wells are active; 53 are plugged & abandoned.
In which states does Harken Exploration operate wells?
Harken Exploration is the operator of record for wells in Oklahoma (48) and Arkansas (5).
Does Harken Exploration operate mostly oil or gas wells?
15 of Harken Exploration's catalogued wells are oil wells and 11 are gas wells; the rest are injection, service or unclassified wells.
What is Harken Exploration's deepest well?
Among wells with a published depth, Franks-Nipper 2 in Columbia, AR is the deepest at 8,660 ft.
Where Harken Exploration'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, “Harken Exploration — well portfolio”, https://wellcensus.com/operators/harken-exploration-5195 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).