Skip to content
WellCensus

Marks &

Operator of record for 18 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Marks & is the operator of record for 18 catalogued U.S. oil & gas wells in 1 state. 18 (100%) are active, 0 (0%) plugged & abandoned. Its largest concentration is in West Virginia, with 18 wells (100% of its portfolio).

Wells operated

18

Active

18

Plugged

0

Orphaned

0

Portfolio by state

StateWells
West Virginia18

Well mix

Oil wells
0
Gas wells
17
Shut-in
0
Active share
100%

Is this your company?

Claim Marks & to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Where does Marks & operate?

Marks &'s catalogued wells are spread across 1 state: West Virginia (18). Its 18 West Virginia wells are 0.0% of the 118,569 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 Marks &’s wells are active, plugged or orphaned?

100% of Marks &'s catalogued wells are active, 71 percentage points above the national share of 29%. 0% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Marks & operate?

By product class, 0 (0%) are oil wells and 17 (94%) gas wells; nationally the shares are 43% and 17%.

Notable wells operated by Marks &

Wells operated by Marks &
WellAPI # / state IDStatusTypeLocationOperatorDepth
Knotts, John R. 347-013-03324ActiveGasCalhoun, WVMarks & Co., Inc.—
Hays, E.I. & G.W. - Heirs 147-013-00380ActiveOther typeCalhoun, WVMarks & Co., Inc.—
Gherke, A. 147-013-01735ActiveGasCalhoun, WVMarks & Co., Inc.—
Kendall, J. D. 147-013-01766ActiveGasCalhoun, WVMarks & Co., Inc.—
Downey, W. & J. Lockney 347-013-02437ActiveGasCalhoun, WVMarks & Co., Inc.—
Downey, W. A. 447-013-02843ActiveGasCalhoun, WVMarks & Co., Inc.—
Stump, Leon Leon Stump 147-013-02984ActiveGasCalhoun, WVMarks & Co., Inc.—
Lockney, J. R. 147-013-01355ActiveGasCalhoun, WVMarks & Co., Inc.—
Keith, Elmer, Etal 147-013-00332ActiveGasCalhoun, WVMarks & Co., Inc.—
Chenoweth, D. O. 147-013-01337ActiveGasCalhoun, WVMarks & Co., Inc.—
Downey, Walter A. 247-013-01362ActiveGasCalhoun, WVMarks & Co., Inc.—
Knotts, Woodrow 247-013-02471ActiveGasCalhoun, WVMarks & Co., Inc.—

Deepest first where depth is published. See all 18 wells →

Frequently asked questions

How many wells does Marks & operate?

Marks & is the operator of record for 18 catalogued oil & gas wells, with the largest concentration in West Virginia (18). Only wells in states WellCensus has ingested are counted.

How many of Marks &'s wells are still active?

18 of Marks &'s catalogued wells are active; 0 are plugged & abandoned.

In which states does Marks & operate wells?

Marks & is the operator of record for wells in West Virginia (18).

Does Marks & operate mostly oil or gas wells?

0 of Marks &'s catalogued wells are oil wells and 17 are gas wells; the rest are injection, service or unclassified wells.

Where Marks &'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, “Marks & — well portfolio”, https://wellcensus.com/operators/marks-142403 (data as of October 10, 2026).

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