Skip to content
WellCensus

Oil & gas wells in Harper County, KS

3,017 catalogued wells in Harper County, Kansas, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Harper County, Kansas has 3,017 catalogued oil & gas wells: 685 active (23%), 2,045 plugged & abandoned (68%) and 14 documented orphans. It ranks 45th of the 104 Kansas counties WellCensus profiles by well count and holds 0.6% of the state's 473,140 catalogued wells.

Catalogued wells

3,017

Active

685

Plugged

2,045

Documented orphans

14

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

23% of Harper County's wells are active, close to the Kansas share of 21%. 68% are plugged & abandoned, against 55% statewide and 47% nationally. 157 wells (5%) are shut-in — unplugged but idle. 14 wells (0.5%) are documented orphans with no operator able to plug them, compared with 2% across Kansas and 4% nationally. The remaining 116 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Harper County?

By product class, 1,250 of the county's wells (41%) are oil wells, 405 (13%) gas wells and 205 (7%) injection wells. Statewide the oil share is 42% and the gas share 9%. The deepest total depth published for a Harper County well is 9,936 ft, against 11,300 ft for Kansas as a whole. 100% of the county's wells carry coordinates and appear on the map.

How does Harper County compare with other Kansas counties?

Harper County has the 45th-most catalogued wells of the 104 Kansas counties with at least 25. The median Kansas county on WellCensus has 2,220 wells. The largest, Montgomery County, has 21,956. By documented orphans it ranks 40th in Kansas.

Who operates wells in Harper County?

290 distinct operators of record are linked to wells in Harper County. 72% 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 Harper County, KS
WellAPI # / state IDStatusTypeOperator
Bertholf 215-077-21392ActiveOilR & B Oil & Gas, Inc.
Carr 215-077-21393ActiveOilR & B Oil & Gas, Inc.
Werner 115-077-21401ActiveOilR & B Oil & Gas, Inc.
Graber 315-077-21403Shut-inOilMessenger Petroleum, Inc.
Williams 115-077-21404Plugged & abandonedGasWoolsey Operating Company, LLC
Grabs 'B' 115-077-21407ActiveGasR & B Oil & Gas, Inc.
Struble 36D-315-077-21410Plugged & abandonedOther typeS S & L Oil & Gas Properties, Inc.
Washbon 315-077-21409ActiveOilR & B Oil & Gas, Inc.
Sanders, Mac 215-077-21419Plugged & abandonedGasR & B Oil & Gas, Inc.
Bertholf 315-077-21421Plugged & abandonedOther typeR & B Oil & Gas, Inc.
Bertholf 315-077-21425ActiveOilR & B Oil & Gas, Inc.
Carothers Brothers 'A' 115-077-21385Plugged & abandonedGasSandRidge Exploration and Production LLC
Rectifier N-1115-077-21388Shut-inOther typeONEOK NGL Pipeline, LLC
Rectifier N-1015-077-21389Shut-inOther typeONEOK NGL Pipeline, LLC
Knox 'A' 115-077-21390Plugged & abandonedGasBramwell Petroleum, Inc.
Salser, Eileen 1-615-077-21391Plugged & abandonedOilVess Oil Corporation
Oscar Smith 315-077-21394Plugged & abandonedGasCastle Resources, Inc.
McDaniel Trust 'A' 1-3415-077-21402Plugged & abandonedOther typeMcCoy Petroleum Corporation
Frances 1-615-077-21405Plugged & abandonedOther typeFalcon Exploration, Inc.
Muir 'P' 215-077-21406ActiveGasMcCoy Petroleum Corporation
Smith-Gleinn 'A' 1-2615-077-21408Plugged & abandonedOther typeMcCoy Petroleum Corporation
Walker, John 1-2315-077-21414Plugged & abandonedOther typeOil Producers, Inc. of Kansas
Williams 'A' 115-077-21416Plugged & abandonedOther typePintail Petroleum, Ltd.
Shroyer 'A' 1-2015-077-21411Plugged & abandonedOilMcCoy Petroleum Corporation
Wilson Trust 215-077-21420Plugged & abandonedGasPintail Petroleum, Ltd.

A sample of the county’s wells — every catalogued well has its own page. Browse all 3,017 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 Harper County, KS?

Harper County, Kansas has 3,017 catalogued oil & gas wells: 685 active, 2,045 plugged and 14 documented orphans.

How many orphaned wells are in Harper County?

14 wells in Harper County, Kansas are documented orphans — unplugged with no solvent operator of record, the 40th-highest count among Kansas counties.

What share of wells in Harper County are plugged?

2,045 of Harper County's 3,017 catalogued wells (68%) are plugged & abandoned, compared with 55% across Kansas.

Which Kansas county has the most oil and gas wells?

Montgomery County has the most catalogued wells of any Kansas county on WellCensus (21,956); Harper County ranks 45th with 3,017.

How many companies operate wells in Harper County?

290 distinct operators of record are linked to catalogued wells in Harper County, Kansas.

Nearby in the Kansas rankings

About this data

Source: Kansas Geological Survey 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 Harper County, Kansas”, https://wellcensus.com/wells/kansas/harper (data as of October 10, 2026).