Stored formation/play groups ranked by recorded well count, with recorded operators and primary counties. Coverage is limited to the groups included below.
Buckhead Energy analysis of public oil and gas data. Daily refresh scheduled. Stored source refresh: 2026-11-01.
Stored source refresh: 2026-11-01. Formation/play groups require at least 25 recorded wells and a known operator; the directory shows at most 50 groups ranked by well count. Operator counts reflect distinct recorded operator names, not verified current operations. Permit counts use the preceding 24 months at summary refresh. Grouping can represent a formation, play or basin; it is not an inventory of every geological formation. Figures are Buckhead Energy analysis of public oil and gas data; counts under 3 wells are withheld.
Buckhead Energy analysis of public oil and gas data. Scheduled refreshes do not guarantee that new regulator filings are available; the state regulator remains the record of any specific well.
Quick answer: The highest well-count groups listed for Kansas are the Central Kansas Uplift, Anadarko Basin, Excello-Mulky, Forest City Basin and Sedgwick Basin, led by the Central Kansas Uplift with 55,624 wells on record. Ranked by well count across 11 tracked formations from Buckhead Energy analysis of public oil and gas data. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
The highest well-count groups listed for Kansas are the Central Kansas Uplift, Anadarko Basin, Excello-Mulky, Forest City Basin and Sedgwick Basin, led by the Central Kansas Uplift with 55,624 wells on record. Ranked by well count across 11 tracked formations from Buckhead Energy analysis of public oil and gas data. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
Top Operators:
Murfin Drilling (1,865), Mai Oil Operations (1,275), American Warrior (992), Patterson Energy (982), Vess Oil (936), Farmer John O (919), Berexco (898), Ritchie Exploration (890), F G Holl Company (705), Trans Pacific Oil (702)
Primary counties: Barton, Ellis, Russell, Stafford, Rice
Top Operators:
Eiger Operating Company, LLC (8,366), Scout Energy Management (1,934), American Warrior (1,896), Anadarko Petroleum (1,453), Oxy (1,400), Edison Operating Company (935), Berexco (919), Merit Energy Company (870), Ritchie Exploration (863), Exxon Mobil (768)
Primary counties: Ness, Stevens, Finney, Morton, Haskell
Top Operators:
River Rock Operating (2,374), Redbud Oil & Gas11/Ofb (2,094), Colt Energy (1,879), Postrock Midcontinent Production (949), Kansas Energy Company (846), A & A Well Service (841), Running Foxes Petroleum (797), Dart Cherokee Basin Operating (763), Cherokee Wells (734), Jv Oil (652)
Primary counties: Montgomery, Allen, Neosho, Wilson, Chautauqua
Top Operators:
Rj Energy (4,615), Bobcat Oilfield Service (1,696), Colt Energy (1,118), Bg5 (1,084), Jtc Oil (1,003), Birk Petroleum (1,001), Southern Community (978), Town Oil Company (915), Kansas Resource Exploration & Development (892), Altavista Energy (889)
Primary counties: Miami, Anderson, Franklin, Linn, Coffey
Top Operators:
R & B Oil & Gas (451), Sandridge Exploration & Production (350), Pickrell Drilling Company (342), Herman L Loeb (335), Val Energy (317), Bcemach Iii LLC (299), Chieftain Oil (284), Bear Petroleum (278), Atlas Operating (276), Trek Aec (265)
Primary counties: Barber, Sumner, Mc Pherson, Kingman, Sedgwick
Top Operators:
Laymon Oil Ii (1,144), Rj Energy (944), Colt Energy (834), Trimble & Maclaskey Oil (594), Owens Petroleum (455), Warhorse Petroleum INC (357), Altavista Energy (323), 325 Energy Operations, LLC (276), Jackson Brothers (259), Tremo (251)
Primary counties: Greenwood, Woodson, Allen, Chautauqua, Bourbon
Top Operators:
Range Oil Company (777), Vess Oil (768), Oxy (584), Anstine & Musgrove (234), Crown Energy Company (189), Benson Mineral Group (188), Aztec Oil Operating LLC (168), Bear Petroleum (165), Mwk Petroleum Company (157), Phillips Petroleum Company (156)
Primary counties: Butler, Cowley, Chase, Morris, Nemaha
Top Operators:
Murfin Drilling (414), Gore Oil Company (88), Downingnelson Oil (64), Berexco (54), Ritchie Exploration (42), Carmen Schmitt (39), Raymond Oil Company (38), Grand Mesa Operating Company (35), Brito Oil Company (35), Val Energy (33)
Primary counties: Rawlins, Thomas, Cheyenne, Sherman, Sheridan
Top Operators:
Own Resources Operating (505), Murfin Drilling (238), Smith Oil & Gas (191), Rosewood Resources (161), Lobo Production (159), Pdc Energy (133), Noble Energy (118), Priority Oil & Gas (41), Rockin G Energy (35), Foundation Energy Management (35)
Primary counties: Cheyenne, Sherman, Rawlins, Thomas, Sheridan
Top Operators:
Natural Gas Pipeline CO Of America (104), Bruce Oil Company (71), Casebeer (50), Northern Natural Gas Company (49), Shields Oil Producers (47), Scotts Production (47), Brungardt Oil And Leasing (46), Tom Brown (41), Range Oil Company (37), Berexco (35)
Primary counties: Saline, Osborne, Dickinson, Clay, Lincoln
Top Operators:
Kansas Energy Company (12), Mc C Oil Company (—), Roadrunner Energy (—), B & J Drilling Company (—), Mcgowan Oil Company A General (—), Hamp Oil (—), Sierra Drilling Company (—), Wilmax Company (—), Yale Oil Association (—), Myers Drilling Company (—)
Primary counties: Chautauqua, Cowley, Labette, Montgomery
Source: Buckhead Energy analysis of public oil and gas data, aggregated by primary play / interpreted formation / basin.
Threshold: Groups require at least 25 recorded wells and a known operator. The directory shows up to 50 groups by well count; omitted groups are not evidence of no activity.
Owner context: These formation summaries describe reported activity. They do not establish ownership, payment entitlement or a value for an individual tract.
Refresh cadence: Daily refresh scheduled. Stored source refresh: 2026-11-01.
The highest well-count formation/play groups listed for Kansas are the Central Kansas Uplift, Anadarko Basin, Excello-Mulky, Forest City Basin and Sedgwick Basin, among others. This directory tracks 11 recorded formation/play groups ranked by well count, per Buckhead Energy analysis of public oil and gas data. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
The Central Kansas Uplift has the most wells among the listed Kansas groups — 55,624 wells, worked by 2,361 recorded operators, per Buckhead Energy analysis of public oil and gas data. This is a well-count ranking, not a reserves or value ranking. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
The operators with the most wells on record in the Central Kansas Uplift are Murfin Drilling, Mai Oil Operations, American Warrior, Patterson Energy, Vess Oil. Each formation card below lists its top operators by well count. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
About 1,715 drilling permits were filed across the tracked Kansas formations in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data — a rough measure of where new activity is concentrated. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
Your deed and county records determine which formations your mineral rights cover; a tract can own multiple stacked formations. This directory is informational only, not a valuation. Stored source refresh: 2026-11-01. These are limited stored records; reporting windows are evaluated at source refresh.
The geology under your tract drives your valuation. Get a free written offer based on your specific formation and county.
Get Your Free Written OfferState: Kansas
Active formations: 11
Total wells: 261,198
Recent permits: 1,715
Last refresh: 2026-11-01
Free written offers on Kansas mineral rights — across every active formation.
Get Your Free Offer