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WellCensus

Oil & gas wells in Washington County, PA

10,647 catalogued wells in Washington County, Pennsylvania, from the state regulator registry and the federal orphaned-well inventory.

Dataset updated . Derived from public data sources.

At a glance

Washington County, Pennsylvania has 10,647 catalogued oil & gas wells: 3,615 active (34%), 3,630 plugged & abandoned (34%) and 1,110 documented orphans. It ranks 6th of the 37 Pennsylvania counties WellCensus profiles by well count and holds 5% of the state's 224,189 catalogued wells.

Catalogued wells

10,647

Active

3,615

Plugged

3,630

Documented orphans

1,110

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

34% of Washington County's wells are active, 11 percentage points below the Pennsylvania share of 45%. 34% are plugged & abandoned, against 25% statewide and 47% nationally. 1,110 wells (10%) are documented orphans with no operator able to plug them, compared with 12% across Pennsylvania and 4% nationally. The remaining 2,292 carry status codes outside those classes, such as permitted or cancelled locations.

What kinds of wells are in Washington County?

By product class, 2,349 of the county's wells (22%) are oil wells, 7,061 (66%) gas wells and 188 (2%) injection wells. Statewide the oil share is 37% and the gas share 51%. 100% of the county's wells carry coordinates and appear on the map.

How does Washington County compare with other Pennsylvania counties?

Washington County has the 6th-most catalogued wells of the 37 Pennsylvania counties with at least 25. The median Pennsylvania county on WellCensus has 4,066 wells. The largest, McKean County, has 38,160. By documented orphans it ranks 7th in Pennsylvania.

Who operates wells in Washington County?

347 distinct operators of record are linked to wells in Washington 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 Washington County, PA
WellAPI # / state IDStatusTypeOperator
Caldwell Ff50cv37-125-23374ActiveGasDiversified Prod LLC
J Knestrick 11537-125-01008Plugged & abandonedGasEqt Prod Co
Hathaway Hrs 24037-125-01013Plugged & abandonedGasEqt Prod Co
Blaney V M 137-125-01129Plugged & abandonedOilDallas Energy LLC
Carson Heirs 837-125-01130Plugged & abandonedOilDallas Energy LLC
Mcclay J 737-125-01195Plugged & abandonedOilDallas Energy LLC
Hagerty R W 437-125-01258Plugged & abandonedOilDallas Energy LLC
Consol Nv57jhs37-125-24898ActiveGasCnx Gas Co LLC
Mele Unit 2h37-125-24408Other statusGasRange Resources Appalachia LLC
V Santora 00237-125-23005Other statusGasKriebel Minerals Inc
Moore 237-125-23034ActiveGasDiversified Prod LLC
Molnar Unit 4h37-125-24445Other statusGasRange Resources Appalachia LLC
W J Munce 2737-125-02056Other statusOilDallas Energy LLC
Haywood-Swoger Unit 437-125-22221ActiveGasKriebel Natural Gas Co LLC
Haywood-Swoger Unit 237-125-22219Other statusGasKriebel Minerals Inc
Fox 237-125-22241ActiveGasPa Well Acquisition Co LLC
Alfonsi 11-137-125-23079Other statusGasPa Well Acquisition Co LLC
Mavilla 42-237-125-23088ActiveGasPa Well Acquisition Co LLC
Pocky 68-137-125-23087Other statusGasPa Well Acquisition Co LLC
Haines Gaylord Unit 2h37-125-24392Other statusGasRange Resources Appalachia LLC
S G Mccollough 57737-125-01019Plugged & abandonedGasEqt Prod Co
Carson L 937-125-01136Plugged & abandonedOilDallas Energy LLC
Hagerty D 137-125-01250Plugged & abandonedOilDallas Energy LLC
Dick Sprowls (Ethel Moore) L462137-125-20081ActiveInjectionColumbia Gas Trans LLC
Walker (Frmly Fe Walker & Ge Walker) 404-337-125-20153ActiveGasKeystone Crude LLC

A sample of the county’s wells — every catalogued well has its own page. Browse all 10,647 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 Washington County, PA?

Washington County, Pennsylvania has 10,647 catalogued oil & gas wells: 3,615 active, 3,630 plugged and 1,110 documented orphans.

How many orphaned wells are in Washington County?

1,110 wells in Washington County, Pennsylvania are documented orphans — unplugged with no solvent operator of record, the 7th-highest count among Pennsylvania counties.

What share of wells in Washington County are plugged?

3,630 of Washington County's 10,647 catalogued wells (34%) are plugged & abandoned, compared with 25% across Pennsylvania.

Which Pennsylvania county has the most oil and gas wells?

McKean County has the most catalogued wells of any Pennsylvania county on WellCensus (38,160); Washington County ranks 6th with 10,647.

How many companies operate wells in Washington County?

347 distinct operators of record are linked to catalogued wells in Washington County, Pennsylvania.

Nearby in the Pennsylvania rankings

About this data

Source: Pennsylvania DEP 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 Washington County, Pennsylvania”, https://wellcensus.com/wells/pennsylvania/washington (data as of October 10, 2026).