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WellCensus

Oil & gas wells in Marshall County, OK

2,123 catalogued wells in Marshall County, Oklahoma, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Marshall County, Oklahoma has 2,123 catalogued oil & gas wells: 620 active (29%), 1,441 plugged & abandoned (68%) and 9 documented orphans. It ranks 53rd of the 74 Oklahoma counties WellCensus profiles by well count and holds 0.5% of the state's 456,595 catalogued wells.

Catalogued wells

2,123

Active

620

Plugged

1,441

Documented orphans

9

What is the status of oil and gas wells in Marshall County?

29% of Marshall County's wells are active, close to the Oklahoma share of 28%. 68% are plugged & abandoned, against 54% statewide and 47% nationally. 17 wells (0.8%) are shut-in — unplugged but idle. 9 wells (0.4%) are documented orphans with no operator able to plug them, compared with 5% across Oklahoma and 4% nationally. The remaining 36 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Marshall County?

By product class, 728 of the county's wells (34%) are oil wells, 167 (8%) gas wells and 5 (0.2%) injection wells. Statewide the oil share is 40% and the gas share 16%. 99% of the county's wells carry coordinates and appear on the map.

How does Marshall County compare with other Oklahoma counties?

Marshall County has the 53rd-most catalogued wells of the 74 Oklahoma counties with at least 25. The median Oklahoma county on WellCensus has 4,129 wells. The largest, Creek County, has 33,057. By documented orphans it ranks 60th in Oklahoma.

Who operates wells in Marshall County?

134 distinct operators of record are linked to wells in Marshall County. 100% of the county's wells carry a link to a canonical operator profile; the rest list no operator or a name not yet resolved. Each well's page names its operator where the state publishes one.

Oil & gas wells in Marshall County, OK
WellAPI # / state IDStatusTypeOperator
Unknown #nknown35-095-00140Plugged & abandonedOther typeMarshall Oil Corporation
Little /101/ #1035-095-00845Plugged & abandonedOilUnion Oil Co Of California
Chapman Xs #2-5h35-095-20559Plugged & abandonedOther typeMerit Energy Company
Flenniken #1-11h35-095-20532ActiveOilXto Energy Inc
Blackbeard Xs #2-7h35-095-20555ActiveOilXto Energy Inc
Castleberry #1-32h35-095-20571ActiveGasXto Energy Inc
Chapman Ranch #1-31h3035-095-20574ActiveGasXto Energy Inc
Well API 35-095-0014335-095-00143Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0010835-095-00108Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0013735-095-00137Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0014235-095-00142Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0014435-095-00144Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0018735-095-00187Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0018935-095-00189Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0036535-095-00365Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0036835-095-00368Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0037035-095-00370Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0037935-095-00379Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0051635-095-00516Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-0096635-095-00966Plugged & abandonedOther typeConocophillips Co
Well API 35-095-7001835-095-70018Plugged & abandonedOilState Fund Plugging
Well API 35-095-7600235-095-76002Plugged & abandonedOther typeState Fund Plugging
Well API 35-095-7600935-095-76009Other statusOther typeOtc/Occ Not Assigned
Well API 35-095-7601435-095-76014Plugged & abandonedOther typeOtc/Occ Not Assigned
Well API 35-095-7601535-095-76015Other statusOther typeState Fund Plugging

A sample of the county’s wells — every catalogued well has its own page. Browse all 2,123 in search → (filter by operator, status and type, then export), or find a specific well on the live map.

Frequently asked questions

How many oil and gas wells are in Marshall County, OK?

Marshall County, Oklahoma has 2,123 catalogued oil & gas wells: 620 active, 1,441 plugged and 9 documented orphans.

How many orphaned wells are in Marshall County?

9 wells in Marshall County, Oklahoma are documented orphans — unplugged with no solvent operator of record, the 60th-highest count among Oklahoma counties.

What share of wells in Marshall County are plugged?

1,441 of Marshall County's 2,123 catalogued wells (68%) are plugged & abandoned, compared with 54% across Oklahoma.

Which Oklahoma county has the most oil and gas wells?

Creek County has the most catalogued wells of any Oklahoma county on WellCensus (33,057); Marshall County ranks 53rd with 2,123.

How many companies operate wells in Marshall County?

134 distinct operators of record are linked to catalogued wells in Marshall County, Oklahoma.

Nearby in the Oklahoma rankings

About this data

Source: Oklahoma Corporation Commission (RBDMS) well registry, plus the USGS United States Documented Orphaned Well Database (2026, doi 10.5066/P13FHBYG), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Oil & gas wells in Marshall County, Oklahoma”, https://wellcensus.com/wells/oklahoma/marshall (data as of October 10, 2026).