11,461 wells across 1,249 recorded operators, with 208 drilling permits filed in the 24-month window at summary refresh.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
Quick answer: The Austin Chalk formation in Mississippi has 11,461 wells on record across 1,249 recorded operators, with 208 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Denbury Onshore, Humble Oil And Refining Company, Callon Petroleum Company, Sun Oil Company and Black Jack Oil. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
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 | 235 |
| 4 | Sun Oil Company | 208 |
| 5 | Black Jack Oil | 175 |
| 6 | Hughes & New Oil Company | 173 |
| 7 | D A Biglane Operating Company | 168 |
| 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
Drilling permits in Mississippi each year, the Austin Chalk count and share of them, and the median lateral length of those Austin Chalk permits.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 234 | 81 | 34.6% | 7,255 ft |
| 2025 | 601 | 125 | 20.8% | 286 ft |
| 2024 | 242 | 79 | 32.6% | n<5 |
| 2023 | 216 | 21 | 9.7% | n<5 |
| 2022 | 438 | 51 | 11.6% | n<5 |
| 2021 | 237 | 29 | 12.2% | n<5 |
| 2020 | 172 | 23 | 13.4% | n<5 |
| 2019 | 237 | 59 | 24.9% | n<5 |
Share of each year’s Mississippi drilling permits by target formation, for the formations with the most permits.
| Year | Mid-Gulf Coast Basin | Austin Chalk | Floyd-Neal | Black Warrior Basin |
|---|---|---|---|---|
| 2026 | 57.7% | 34.6% | — | 4.7% |
| 2025 | 77.4% | 20.8% | — | 1.3% |
| 2024 | 58.3% | 32.6% | 1.7% | — |
| 2023 | 84.7% | 9.7% | 1.4% | — |
| 2022 | 86.5% | 11.6% | — | — |
| 2021 | 62% | 12.2% | 24.1% | — |
| 2020 | 76.7% | 13.4% | 3.5% | 3.5% |
| 2019 | 43.5% | 24.9% | 1.3% | 6.3% |
Buckhead Energy computes every figure on this page from grouped records in public oil and gas data. The page shows counts, sums, percentiles and indexes only; it does not list individual wells, leases or permits.
Counts under 3 wells and percentiles under 5 wells are withheld; totals are floors.
Share is the formation’s permits as a percent of the state’s permits that year. Median lateral length is published only when at least 5 permits stand behind it.
Last computed: 2026-10-24. These figures are informational only and are not a valuation of any mineral or royalty interest.
The Austin Chalk is a formation/play group recorded in Mississippi, with 11,461 wells on file across 1,249 distinct operators of record. Operators have filed 208 drilling permits targeting the Austin Chalk in the 24-month window at summary refresh. These are stored records, not a live measure of drilling.
Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.
11,461 wells target the Austin Chalk in Mississippi, worked by 1,249 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
The Austin Chalk operators with the most wells on record 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. Formation summary date: 2026-10-24.
Operators filed 208 drilling permits targeting the Austin Chalk in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
Operators filed 208 new drilling permits targeting the Austin Chalk in Mississippi in the 24-month window at source refresh. New permits and spuds record reported activity stages; they do not establish ongoing drilling, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
Austin Chalk activity in Mississippi includes 11,461 wells on record and 1,249 recorded operators, with 208 drilling permits filed in the 24-month window at source refresh — from Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-10-24.
The primary counties recorded for Austin Chalk in Mississippi are Adams, Wilkinson, Franklin, Amite, Pike. Formation summary date: 2026-10-24.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Formation summary date: 2026-10-24.
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Get Your Free Written OfferFormation: Austin Chalk
State: Mississippi
Total wells: 11,461
Recorded operators: 1,249
Permits 24mo: 208
Summary date: 2026-10-24
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