Johnson County, KS oil and gas wells
6,210 wells: 1,739 active, 2,339 plugged, 15 orphaned, run by 215 operators.
Johnson County, KS ranks #28 among Kansas counties by wells on record, with 1% of the state's 519,691 wells. 1,739 of its wells (28%) are active, above the statewide share of 21%. Another 210 are shut in or temporarily abandoned. 15 wells are flagged as orphaned, with no responsible operator. Of the 4,851 wells here with a type on record, 43% are oil wells, 23% disposal or injection wells and 16% gas wells. Drilling records here go back to 1888. Of the 4,034 wells with a drilling date, 189 (5%) were drilled in 2016 or later, the most recent in 2026. 135 wells are listed as permitted or being drilled. 506 wells have been plugged since 2016. Wells with a recorded depth average 822 ft. 215 operators have wells here. The largest by active wells is HB Energy LLC, with 304 active (17% of the county's active wells).
Figures from the Kansas Geological Survey, updated 2026-10-09.
Top operators in Johnson
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| EFFERTZ 6-Q | 15-091-22412 | Plugged | Dry hole | 🔒 Sign in free |
| EFFERTZ 8-Q | 15-091-22413 | Plugged | Injection | 🔒 Sign in free |
| EFFERTZ 1-R | 15-091-22414 | Plugged | Oil | 🔒 Sign in free |
| EFFERTZ 10-M | 15-091-22518-0001 | Plugged | Injection | 🔒 Sign in free |
| EFFERTZ 10-O | 15-091-22519 | Plugged | Injection | 🔒 Sign in free |
| EFFERTZ 9-P | 15-091-22520 | Plugged | Oil | 🔒 Sign in free |
| EFFERTZ 10-K | 15-091-22563 | Plugged | Injection | 🔒 Sign in free |
| EFFERTZ 11-N | 15-091-22564 | Plugged | Oil | 🔒 Sign in free |
| EFFERTZ 9-R | 15-091-22565 | Plugged | Oil | 🔒 Sign in free |
| EFFERTZ 11-L | 15-091-22566 | Plugged | Oil | 🔒 Sign in free |
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Johnson County, KS well questions
How many oil and gas wells are in Johnson County, KS?
6,210 wells are on record: 1,739 active, 210 shut in or temporarily abandoned and 2,339 plugged, with 15 flagged orphaned.
Who operates the most wells in Johnson County, KS?
HB Energy LLC, with 304 active wells and 391 wells on record here. The table above lists the top operators.
Are new wells still being drilled in Johnson County, KS?
Yes. 189 wells were drilled in 2016 or later, the most recent in 2026, and 135 more are permitted or being drilled.