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US Mineral & Drilling Activity Index

The state of US oil & gas drilling right now — permits, DUC inventory, recent spuds and new producers, counted by state, across the 11 top mineral states, from Buckhead Energy analysis of public oil and gas data, refreshed daily.

Data as of

The National Picture in One Sentence

As of November 1, 2026, the 10 of 11 top US mineral states tracked here with published drilling figures (Oklahoma permit, spud and first-production counts are under review and left out) show 19,878 drilling permits filed over the last 12 months, 7,825 wells spudded in the last 12 months, and 7,134 wells brought onto first production in the last 12 months, while all 11 states hold 13,341 drilled-but-uncompleted (DUC) wells in inventory across 819 producing counties — per Buckhead Energy analysis of public oil and gas data.

19,878
Permits · last 12 mo
13,341
DUC wells in inventory
7,825
Spudded · last 12 mo
7,134
First production · 12 mo
819
Producing counties

Oklahoma drilling counts are being reconciled with state records and will return here once verified. For current filings, use the Oklahoma Corporation Commission well data finder.

National totals add only the states with a published figure; a state whose figure is withheld (fewer than 3 wells) or unavailable is left out, so these totals are floors.

Drilling Activity by State

StatePermits (12 mo)DUCsSpuds (12 mo)First production (12 mo)CountiesTop Operator by Wells
Texas 8,330 5,065 3,606 3,963 247 Hilcorp Energy Company
California 3,902 161 39 116 45 Chevron
New Mexico 3,538 2,061 1,918 1,719 30 Hilcorp Energy Company
North Dakota 986 857 674 420 42 Continental Resources
Utah 845 486 323 176 27 Koda Gnb, LLC
Colorado 722 745 668 523 51 Noble Energy
Wyoming 673 569 322 204 23 Eog Resources
Kansas 552 2,518 275 13 105 Eiger Operating Company, LLC
Mississippi 199 23 0 0 70 Denbury Onshore
Illinois 131 — 0 0 102 The Ohio Oil
Oklahoma (under review, unranked) — 856 — — 77 Citation Oil & Gas

Ranked by 12-month permits; states without a published permit total or whose counts are under review are listed last, unranked. Each state links to its full monthly drilling activity report.

Top Operators by County Footprint

The operators with the widest US county footprint — a county counts where the operator ranks among the top 8 by wells on record. Wells operated only; drilling activity is not attributed to operators. Aggregated from 1,089+ operator-county pairs across the tracked states, as of 2026-10-04.

#OperatorCountiesStatesWellsProducing
1 Diversified Production LLC 101 AL, LA, OH, OK, PA, TN, TX, VA, WV 55,212 54,081
2 Shell Oil Company 74 AL, CA, CO, IL, KY, LA, MI, MS, MT, ND, NE, NY, OK, PA, SD, TX, WY 6,999 980
3 Chesapeake Energy 68 AR, KS, KY, LA, ND, NY, OH, OK, PA, TN, TX, WV, WY 12,524 2,857
4 Chevron 63 AL, CA, CO, KS, LA, MS, MT, NM, OH, OK, TX, WY 67,389 41,282
5 Exxon Mobil 62 AL, CA, IL, KS, LA, MI, MS, MT, OK, TX, UT 13,157 3,388
6 Hilcorp Energy Company 58 AL, CO, LA, MS, NM, OH, PA, TX, WY 46,300 43,657
7 Xto Energy 55 AR, CO, LA, ND, NM, OK, PA, TX, UT, WV 13,615 8,515
8 Eog Resources 54 CO, MS, ND, NM, OK, PA, TX, UT, WY 35,435 15,857
9 Oxy 44 CA, CO, KS, MI, NM, OK, TX, VA, WV 29,831 24,090
10 Bpx Operating Company 44 CO, KS, LA, MI, NM, OK, PA, TX, WY 7,322 3,993
11 Merit Energy Company 38 AR, KS, MI, OK, TX, WY 8,540 7,607
12 Eqt Production Company 37 KY, PA, VA, WV 8,223 4,756
13 Texaco 35 IL, KY, LA, MS, TX, UT 8,715 989
14 Conocophillips Company 35 CO, LA, MI, MT, ND, NM, OK, TX, UT, WY 4,764 1,462
15 Anadarko Petroleum 34 CO, KS, OK, PA, TX, UT, WY 12,163 3,210
16 Amoco Production Company 32 AL, CO, LA, MS, ND, NE, TX, UT, WY 2,445 795
17 Marathon Oil Company 31 AR, IL, KS, LA, MI, MS, ND, NE, OK, TX, WY 11,901 4,910
18 Continental Oil Company 30 AR, CO, IL, MS, MT, ND, OK, SD, TX, WY 7,698 5,082
19 Phillips Petroleum Company 30 AR, CA, CO, IL, KS, LA, MI, MT, PA, TX 2,658 450
20 Devon Energy Production Company 28 MT, NM, OK, TX, WV, WY 15,065 7,675
21 Humble Oil And Refining Company 28 AR, FL, LA, MS, TX, UT 1,662 88
22 Scout Energy Management 27 CO, KS, ND, OK, TX, UT 17,700 16,076
23 Citation Oil & Gas 27 CO, IL, MT, OK, SD, TX, UT, WY 13,002 6,589
24 Atlas Operating 27 PA, TX 3,344 1,756
25 Sun Explorationproduction Company 27 LA, MT, TX 2,040 130

By state: TX 493 operators across 210 counties · KS 355 operators across 95 counties · OK 327 operators across 71 counties · OH 214 operators across 58 counties · IL 201 operators across 54 counties · WV 119 operators across 44 counties · MI 69 operators across 51 counties · MS 110 operators across 38 counties · CO 118 operators across 35 counties · PA 69 operators across 32 counties · CA 88 operators across 32 counties · LA 74 operators across 23 counties · WY 85 operators across 22 counties · MT 78 operators across 20 counties · ND 62 operators across 20 counties · AR 50 operators across 17 counties · KY 53 operators across 15 counties · AL 58 operators across 14 counties · NM 45 operators across 11 counties · UT 48 operators across 10 counties · NE 36 operators across 8 counties · TN 28 operators across 7 counties · VA 12 operators across 5 counties · NY 13 operators across 4 counties · SD 10 operators across 2 counties · FL 4 operators across 4 counties

Each operator links to its profile — wells operated and the counties where it operates wells.

State Reports & Dashboards

Every state in the index has a full monthly report, a live snapshot dashboard, and an operator leaderboard:

California: Report · Snapshot · Operators

Colorado: Report · Snapshot · Operators

Illinois: Report · Snapshot · Operators

Kansas: Report · Snapshot · Operators

Mississippi: Report · Snapshot · Operators

New Mexico: Report · Snapshot · Operators

North Dakota: Report · Snapshot · Operators

Oklahoma: Report · Snapshot · Operators

Texas: Report · Snapshot · Operators

Utah: Report · Snapshot · Operators

Wyoming: Report · Snapshot · Operators

US Mineral Market Activity Index — all 11 states ranked 0–100 → · All datasets & live prices →

Frequently Asked Questions

What is the US Mineral & Drilling Activity Index?

A dated, first-party national rollup of oil and gas drilling activity across the 11 top US mineral states — Texas, Oklahoma, New Mexico, North Dakota, Colorado, Wyoming, and Kansas. It aggregates permits, drilled-but-uncompleted (DUC) inventory, recent spuds, and newly producing wells, counted by state and county — Buckhead Energy analysis of public oil and gas data, refreshed daily. Drilling activity is never attributed to individual operators. Oklahoma permit, spud and first-production counts are under review while they are reconciled with state records and are left out of these totals.

How many drilling permits have been filed across these states?

As of November 1, 2026, the tracked states show 19,878 drilling permits over the last 12 months, 13,341 DUC wells in inventory, and 7,134 wells brought onto first production in the last 12 months. Oklahoma permit, spud and first-production counts are under review while they are reconciled with state records and are left out of these totals.

Where does the data come from?

The figures are Buckhead Energy analysis of public oil and gas data (well headers and permits), aggregated per state and refreshed daily.

Is this index a valuation?

No. The figures are Buckhead Energy analysis of public oil and gas data. They are reference data, not a valuation, appraisal or investment advice.

Which state has the most drilling activity right now?

By 12-month permits, Texas leads the tracked states with 8,330 permits, followed by California. See the table for the full ranking, each linking to that state's monthly report.

Which operators have the widest county footprint?

By county footprint (counties where the operator ranks among the top 8 by wells on record), Diversified Production LLC currently leads with 101 counties, followed by Shell Oil Company (74) and Chesapeake Energy (68).

Source: Buckhead Energy analysis of public oil and gas data. Data as of .

Machine-readable JSON (same numbers, never drift): /api/v1/us-drilling-activity-index

Journalists and researchers: questions about national and per-state figures are welcome — [email protected].

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