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WellCensus

Sonoma Resources

Operator of record for 84 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Sonoma Resources is the operator of record for 84 catalogued U.S. oil & gas wells in 1 state. 50 (60%) are active, 20 (24%) plugged & abandoned. Its largest concentration is in Kansas, with 84 wells (100% of its portfolio).

Wells operated

84

Active

50

Plugged

20

Orphaned

0

Portfolio by state

StateWells
Kansas84

Well mix

Oil wells
62
Gas wells
1
Shut-in
14
Active share
60%

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Where does Sonoma Resources operate?

Sonoma Resources's catalogued wells are spread across 1 state: Kansas (84). Its 84 Kansas wells are 0.0% of the 473,140 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 Sonoma Resources’s wells are active, plugged or orphaned?

60% of Sonoma Resources's catalogued wells are active, 31 percentage points above the national share of 29%. 24% are plugged & abandoned, against 47% nationally. 14 wells (17%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Sonoma Resources operate?

By product class, 62 (74%) are oil wells and 1 (1%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Howard 1 in Sedgwick, KS at 3,580 ft. The wells listed below sit in Sedgwick (KS), Marion (KS), Butler (KS) and Greenwood (KS).

Notable wells operated by Sonoma Resources

Wells operated by Sonoma Resources
WellAPI # / state IDStatusTypeLocationOperatorDepth
Howard 115-173-19008Plugged & abandonedOilSedgwick, KSSonoma Resources LLC3,580 ft
Unruh 115-115-21489Plugged & abandonedOther typeMarion, KSSonoma Resources LLC3,440 ft
Miller 815-015-23039ActiveInjectionButler, KSSonoma Resources LLC3,250 ft
Fuqua 9 615-015-21429ActiveInjectionButler, KSSonoma Resources LLC3,215 ft
CoFank Ranch 315-073-24217ActiveInjectionGreenwood, KSSonoma Resources LLC3,100 ft
Corfman 4-A15-015-21162Plugged & abandonedInjectionButler, KSSonoma Resources LLC3,040 ft
CoFank Ranch 215-073-24216ActiveOilGreenwood, KSSonoma Resources LLC2,950 ft
CoFank Ranch 115-073-24196Shut-inOilGreenwood, KSSonoma Resources LLC2,950 ft
Drumm Institute 415-015-23542Plugged & abandonedInjectionButler, KSSonoma Resources LLC2,872 ft
Drumm Institute 315-015-23514Plugged & abandonedOilButler, KSSonoma Resources LLC2,869 ft
Drumm Institute 215-015-23494Plugged & abandonedOilButler, KSSonoma Resources LLC2,847 ft
Hamilton 515-015-20255ActiveInjectionButler, KSSonoma Resources LLC2,847 ft

Deepest first where depth is published. See all 84 wells →

Frequently asked questions

How many wells does Sonoma Resources operate?

Sonoma Resources is the operator of record for 84 catalogued oil & gas wells, with the largest concentration in Kansas (84). Only wells in states WellCensus has ingested are counted.

How many of Sonoma Resources's wells are still active?

50 of Sonoma Resources's catalogued wells are active; 20 are plugged & abandoned.

In which states does Sonoma Resources operate wells?

Sonoma Resources is the operator of record for wells in Kansas (84).

Does Sonoma Resources operate mostly oil or gas wells?

62 of Sonoma Resources's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.

What is Sonoma Resources's deepest well?

Among wells with a published depth, Howard 1 in Sedgwick, KS is the deepest at 3,580 ft.

Where Sonoma Resources'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, “Sonoma Resources — well portfolio”, https://wellcensus.com/operators/sonoma-resources-81778 (data as of October 10, 2026).

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