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United Mineral Development

Operator of record for 19 catalogued wells across 1 state. Every well below links to its full registry page.

Filed as: UNITED MINERAL DEVELOPMENT · UNITED MINERAL DEVELOPMENT CO

At a glance

United Mineral Development is the operator of record for 19 catalogued U.S. oil & gas wells in 1 state. 13 (68%) are active, 5 (26%) plugged & abandoned. Its largest concentration is in Kentucky, with 19 wells (100% of its portfolio).

Wells operated

19

Active

13

Plugged

5

Orphaned

0

Portfolio by state

StateWells
Kentucky19

Well mix

Oil wells
0
Gas wells
15
Shut-in
0
Active share
68%

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Where does United Mineral Development operate?

United Mineral Development's catalogued wells are spread across 1 state: Kentucky (19). Its 19 Kentucky wells are 0.0% of the 201,022 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 United Mineral Development’s wells are active, plugged or orphaned?

68% of United Mineral Development's catalogued wells are active, 40 percentage points above the national share of 29%. 26% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does United Mineral Development operate?

By product class, 0 (0%) are oil wells and 15 (79%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is York Coal Co 6 in Pike, KY at 3,706 ft. 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 United Mineral Development

Wells operated by United Mineral Development
WellAPI # / state IDStatusTypeLocationOperatorDepth
York Coal Co 616-195-06354ActiveGasPike, KYUnited Mineral Development Co3,706 ft
York Coal 616-195-05719Other statusOther typePike, KYUnited Mineral Development3,706 ft
York Coal Co 516-195-04489ActiveGasPike, KYUnited Mineral Development Co3,609 ft
May, Thomas P 1516-195-05897Plugged & abandonedGasPike, KYUnited Mineral Development Co3,581 ft
May, Mary E 16KGS record 40988Plugged & abandonedOther typePike, KYUnited Mineral Development Co3,566 ft
York Coal Co 716-195-06363ActiveGasPike, KYUnited Mineral Development Co3,511 ft
York Coal Co 16KGS record 40993ActiveGasPike, KYUnited Mineral Development Co3,464 ft
York Coal Co 1216-195-06356ActiveGasPike, KYUnited Mineral Development Co3,456 ft
York Coal Co 1316-195-06355Plugged & abandonedGasPike, KYUnited Mineral Development Co3,449 ft
York Coal Co 1116-195-06357ActiveGasPike, KYUnited Mineral Development Co3,445 ft
York Coal Co 916-195-06359ActiveGasPike, KYUnited Mineral Development Co3,440 ft
York Coal Co 1016-195-06358ActiveGasPike, KYUnited Mineral Development Co3,418 ft

Deepest first where depth is published. See all 19 wells →

Frequently asked questions

How many wells does United Mineral Development operate?

United Mineral Development is the operator of record for 19 catalogued oil & gas wells, with the largest concentration in Kentucky (19). Only wells in states WellCensus has ingested are counted.

How many of United Mineral Development's wells are still active?

13 of United Mineral Development's catalogued wells are active; 5 are plugged & abandoned.

In which states does United Mineral Development operate wells?

United Mineral Development is the operator of record for wells in Kentucky (19).

Does United Mineral Development operate mostly oil or gas wells?

0 of United Mineral Development's catalogued wells are oil wells and 15 are gas wells; the rest are injection, service or unclassified wells.

What is United Mineral Development's deepest well?

Among wells with a published depth, York Coal Co 6 in Pike, KY is the deepest at 3,706 ft.

Where United Mineral Development'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, “United Mineral Development — well portfolio”, https://wellcensus.com/operators/united-mineral-development-69361 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).