Where rigs are running and where permits are landing across the Austin Chalk Giddings trend — county-by-county intel for mineral owners deciding whether to hold or sell.
Get a Free Mineral ValuationFor Austin Chalk mineral owners, the difference between a section that's about to be drilled with a modern long-lateral horizontal and a section that's been dormant for years is enormous in valuation terms. A single new long-lateral well can dwarf the cumulative production of every prior vertical and short-lateral well that ever produced from the same acreage.
The Texas Railroad Commission (RRC) publishes operator filings within a few business days of submission. Buckhead Energy monitors RRC filings and incorporates them into every Austin Chalk mineral valuation.
Austin Chalk rig activity has concentrated in:
Brazos County — EOG-led long-lateral horizontal redevelopment
Burleson County — EOG and other operators in the central Giddings core
Washington County — long-lateral redevelopment of Brenham-area sections
Grimes County — Crownquest-led long-lateral activity in the eastern Giddings extension
Karnes / DeWitt counties — Magnolia south Texas Austin Chalk + Eagle Ford
Lee / Fayette counties — selective long-lateral activity; lower density than the Brazos/Burleson core
Two Texas Railroad Commission filing types are most relevant to Austin Chalk mineral owners:
RRC Form W-1 — drilling permit application. A new W-1 on your section means the operator intends to drill a new well. Typical timeline from permit to spud is 3 to 12 months in the Austin Chalk.
RRC Form P-12 (Pooled Unit Designation) — pools acreage into a producing unit; precursor to a long-lateral horizontal that crosses multiple lease tracts
Modern Austin Chalk long-laterals routinely cross multiple lease boundaries; a P-12 filing on or adjacent to your acreage is a strong signal that horizontal drilling is imminent.
Modern long-lateral Austin Chalk wells produce significantly more oil than the original vertical or short-lateral wells of the 1970s-2000s. A new RRC W-1 or P-12 on or near your section can materially raise the fair market value of your interest. If you've received an offer recently and a new permit has landed, ask for an updated written valuation.
EOG Resources has been the most active modern Austin Chalk filer in recent years, with concentrated permit activity in Brazos, Burleson, and Washington counties. Magnolia Oil & Gas leads south Texas filings in Karnes and DeWitt. For a fuller operator activity profile, see our Austin Chalk Operators List.
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