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. Grouping can represent a formation, play or basin; it is not an inventory of every geological formation. Oklahoma drilling counts are being reconciled with state records and will return here once verified. 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 Oklahoma are the Chautauqua Platform, Anadarko Basin, Woodford, South Oklahoma Folded Belt and Excello-Mulky, led by the Chautauqua Platform with 97,599 wells on record. Ranked by well count across 13 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:
State Fund Plugging (1,829), Great Horned Owls, LLC (1,358), Snr Operating LLC (1,063), Circle 9 Resources (888), New Dominion (770), Chesapeake Energy (575), Conocophillips Company (523), Chevron (509), Marjo Operating (446), Krumme Oil Company LLP (430)
Primary counties: Creek, Osage, Okmulgee, Seminole, Lincoln
Top Operators:
Chesapeake Energy (4,303), Diversified Production LLC (2,944), Bcemach (2,242), Sandridge Exploration & Production (2,002), Latigo Oil & Gas (1,450), Eiger Operating Company, LLC (1,417), Bcemach Iii LLC (1,407), Eog Resources (1,074), Continental Resources (1,069), Mewbourne Oil Company (977)
Primary counties: Texas, Beaver, Garfield, Kingfisher, Major
Top Operators:
Citation Oil & Gas (3,376), Devon Energy Production Company (953), Fw Midcon I, LLC (892), Daylight Petroleum (795), Stephens & Johnson Operating Company (786), Mack Energy Company (773), Continental Resources (772), Wild Outdoors Oil (740), Kodiak Oil & Gas (687), Xto Energy (662)
Primary counties: Carter, Stephens, Grady, Canadian, Blaine
Top Operators:
Citation Oil & Gas (3,811), Conocophillips Company (642), Wildhorse Operating Company (629), Xto Energy (545), Le Jones Operating (461), Magnolia Petroleum Company (451), Chesapeake Energy (448), Phoenix Petrocorp (398), Lewis Oil Operations (349), Mack Energy Company (333)
Primary counties: Stephens, Garvin, Carter, Cotton, Comanche
Top Operators:
State Fund Plugging (2,055), Gateway Resources (1,773), Endeavor Energy Resources (859), Rocky Roads Operating LLC (576), Exxon Mobil (569), Pemco (547), Comdisco Resources (496), Bratco Operating Company (390), Bullseye Operating (387), Entransco Energy (358)
Primary counties: Nowata, Washington, Tulsa, Osage, Creek
Top Operators:
Merit Energy Company (1,178), Citation Oil & Gas (1,175), Bpx Operating Company (1,086), Abundance Energy Services LLC (864), Ew Operating OK, LLC (545), Chesapeake Energy (482), Mustang Fuel (316), Stephens Production Company (311), Bear Production (283), Paluca Petroleum (255)
Primary counties: Pontotoc, Latimer, Haskell, Le Flore, Pittsburg
Top Operators:
Trinity Operating Usg (851), Abundance Energy Services LLC (717), Tag Team Resources (399), Foundation Energy Management (384), Merit Energy Company (375), Arkoma Resources (367), Santa Fe Operating, LLC (359), Ovintiv USA INC (180), Pemco (162), Chesapeake Energy (152)
Primary counties: Hughes, Pittsburg, Mc Intosh, Coal, Okfuskee
Top Operators:
Unbridled Resources LLC (471), Diversified Production LLC (283), Bcemach Ii LLC (272), Presidio Petroleum (254), Bcemach Iii LLC (249), Chesapeake Energy (189), Kaiserfrancis Oil Company (180), Shell Oil Company (162), Burlington Resources Oil & Gas Company (109), Apache (104)
Primary counties: Kiowa, Beckham, Washita, Roger Mills, Greer
Top Operators:
Diversified Production LLC (520), Presidio Petroleum (452), Unbridled Resources LLC (216), Bcemach Iii LLC (179), Teocalli Exploration LLC (174), Apache (167), Chesapeake Energy (157), Mustang Fuel (146), Avalanche Oil & Gas (123), Burlington Resources Oil & Gas Company (102)
Primary counties: Roger Mills, Custer, Beckham, Dewey, Washita
Top Operators:
Red River Petroleum (137), Fulcrum Exploration (121), Oxy (65), Weinkauf Petroleum (57), Eog Resources (49), Burk Royalty (47), Ac Operating Company (43), Keith F Walker Oil & Gas (42), Glb Exploration (41), Buck Creek Energy (35)
Primary counties: Tillman, Cimarron, Jackson, Harmon, Greer
Top Operators:
Longfellow Energy (58), Chesapeake Energy (56), Sanguine Gas Exploration (37), The Ghk Company LLC (34), Western Oil & Gas Dev Company (30), Finley Resources (24), Trinity Operating Usg (19), Xto Energy (16), Canyon Creek Energy Texas (13), Antero Resources (12)
Primary counties: Atoka, Bryan, Mc Curtain, Pushmataha, Choctaw
Top Operators:
Mewbourne Oil Company (92), Unbridled Resources LLC (89), Be Anadarko Ii LLC (58), Unit Petroleum Company (33), Diversified Production LLC (24), Jones Energy (22), Strat Land Exploration Company (12), Presidio Petroleum (12), Chesapeake Energy (9), Samson Resources Company (6)
Primary counties: Ellis, Beaver
Top Operators:
K S & S Oil Company (48), Lofton W (—)
Primary counties: Jefferson, Love
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 Oklahoma are the Chautauqua Platform, Anadarko Basin, Woodford, South Oklahoma Folded Belt and Excello-Mulky, among others. This directory tracks 13 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 Chautauqua Platform has the most wells among the listed Oklahoma groups — 97,599 wells, worked by 6,788 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 Chautauqua Platform are State Fund Plugging, Great Horned Owls, LLC, Snr Operating LLC, Circle 9 Resources, New Dominion. 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.
Oklahoma drilling counts are being reconciled with state records and will return here once verified. 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.
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Get Your Free Written OfferState: Oklahoma
Active formations: 13
Total wells: 329,520
Oklahoma drilling counts are being reconciled with state records and will return here once verified.
Last refresh: 2026-11-01
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