11,461 wells across 1,254 active operators, with 233 drilling permits filed in the last 24 months.
Refreshed monthly from MSOGB well-header records. Data current as of 2026-08-12.
Quick answer: The Austin Chalk formation in Mississippi has 11,461 wells on record across 1,254 active operators, with 233 drilling permits filed in the last 24 months (as of 2026-08-12). Its most active operators by well count are Denbury Onshore, Humble Oil And Refining Company, Callon Petroleum Company, Sun Oil Company and Black Jack Oil. Compiled from Mississippi State Oil & Gas Board (MSOGB) well-header records, refreshed monthly.
The operators with the most well counts targeting the Austin Chalk formation in Mississippi:
| # | Operator | Wells in Austin Chalk |
|---|---|---|
| 1 | Denbury Onshore | 429 |
| 2 | Humble Oil And Refining Company | 252 |
| 3 | Callon Petroleum Company | 227 |
| 4 | Sun Oil Company | 208 |
| 5 | Black Jack Oil | 175 |
| 6 | Hughes & New Oil Company | 173 |
| 7 | D A Biglane Operating Company | 169 |
| 8 | Petrotx Operating LLC | 161 |
| 9 | Encana Oil & Gas | 151 |
| 10 | Seriopunches Oil Company | 115 |
The Mississippi counties with the most Austin Chalk activity:
Adams, Wilkinson, Franklin, Amite, Pike
The most recent 27 drilling permits filed for Austin Chalk wells in Mississippi:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-08-10 | George W. Armstrong K-1 K-1 | 2300100298 |
Adams | D A Biglane Operating Company | — |
| 2026-07-17 | Schuchardt T 1 | 2300100138 |
Adams | Black Jack Oil | — |
| 2026-05-29 | Linwood Plantation Swdw C 2 | 2300122162 |
Adams | Black Jack Oil | — |
| 2026-05-26 | Lehman 2 | 2303720524 |
Franklin | Kaiser Operating | — |
| 2026-05-21 | Brown Swdw 7 | 2300121630 |
Adams | Mammoth Service Group LLC | — |
| 2026-05-15 | Junkin A-20 | 2300120017 |
Adams | Let Production Company | — |
| 2026-05-15 | Frank Junkin Jr 11-1 | 2300123488 |
Adams | Let Production Company | — |
| 2026-01-23 | U. S. A. 36-15 1 | 2303701006 |
Franklin | Kaiser Operating | — |
| 2025-10-10 | Big River Field Swdw 2 | 2300123018 |
Adams | Black Jack Oil | — |
| 2025-10-02 | New Era Plantation 3 | 2300121271 |
Adams | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Brandon 1 1 | 2315720246 |
Wilkinson | Pistol Ridge Partners LLC | — |
| 2025-10-02 | New Era Plantation-Woods Unit 2 | 2300121338 |
Adams | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Loflin Swdw 1 | 2303720727 |
Franklin | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Sharp Swdw M 2 | 2315721175 |
Wilkinson | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Fredrck Schuchrdt B-1 | 2300100126 |
Adams | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Frederick Schuchardt J 2 | 2300100134 |
Adams | Pistol Ridge Partners LLC | — |
| 2025-10-02 | Frederick J Schuchardt A-1 | 2300100619 |
Adams | Pistol Ridge Partnersllc | — |
| 2025-10-02 | Armstrong-Oakland Swdw 2 | 2300120492 |
Adams | Pistol Ridge Partnersllc | — |
| 2025-09-02 | Davis Heirs 2 | 2315700876 |
Wilkinson | Kaiser Operating | — |
| 2025-06-16 | E.netterville # 2 # 2 | 2300100845 |
Adams | Wilcox Ventures LLC | 298 |
| 2025-05-20 | Calvin Cage 1 | 2315721378 |
Wilkinson | Wilcox Ventures LLC | — |
| 2025-03-06 | Crosby "A" 2-A | 2315720934 |
Wilkinson | Kaiser Operating | — |
| 2025-03-05 | Batteast 2 | 2315721448 |
Wilkinson | Kaiser Operating | — |
| 2025-03-05 | Mckittrick-Linwood 1 | 2300120941 |
Adams | Black Jack Oil | — |
| 2025-02-18 | Ayers "A" Swd 2 | 2300123344 |
Adams | Burnsed Oil | — |
| 2025-02-18 | Whetstone 31-1 1 | 2315720782 |
Wilkinson | Burnsed Oil | — |
| 2025-01-15 | W. C. Walker 1 | 2300103486 |
Adams | Kaiser Operating | — |
The Austin Chalk is one of Mississippi's active oil and gas plays, with 11,461 wells on file across 1,254 distinct operators of record. Operators have filed 233 drilling permits targeting the Austin Chalk in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in Adams, Wilkinson, Franklin, Amite, Pike, knowing whether your tract sits within an active Austin Chalk footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
See all Mississippi oil & gas formations & plays · Download the Mississippi formations dataset (CSV)
11,461 wells target the Austin Chalk in Mississippi, worked by 1,254 active operators, per MSOGB well-header records (as of 2026-08-12).
By well count, the most active Austin Chalk operators in Mississippi are Denbury Onshore, Humble Oil And Refining Company, Callon Petroleum Company, Sun Oil Company and Black Jack Oil. The full ranking is in the table on this page.
Operators filed 233 drilling permits targeting the Austin Chalk in the last 24 months — a live measure of current activity, per MSOGB records.
Operators filed 233 new drilling permits targeting the Austin Chalk in Mississippi over the last 24 months. New permits and spuds are the clearest signal of active Austin Chalk drilling, per MSOGB records (as of 2026-08-12).
Austin Chalk activity in Mississippi currently spans 11,461 wells on record and 1,254 active operators, led by Denbury Onshore, Humble Oil And Refining Company, Callon Petroleum Company, Sun Oil Company and Black Jack Oil, with 233 drilling permits filed in the last 24 months — refreshed monthly from Mississippi State Oil & Gas Board (MSOGB) well-header records (as of 2026-08-12).
The most active Austin Chalk counties in Mississippi are Adams, Wilkinson, Franklin, Amite, Pike.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. Buckhead Energy checks your tract against current Austin Chalk well and permit data and puts a free, no-obligation written offer in writing — this page is informational only, not a valuation.
Cite this dataset
Permanently archived and citable via a DOI on Zenodo (CERN), under a CC BY 4.0 license. DOI: 10.5281/zenodo.21442884 · View on Zenodo
License & attribution: This data is licensed CC BY 4.0. You are free to share and adapt it, including commercially, provided you credit “Buckhead Energy” and link back to this page or the DOI above.
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Formation: Austin Chalk
State: Mississippi
Total wells: 11,461
Active operators: 1,254
Permits 24mo: 233
Last refresh: 2026-08-12
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