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Royalty Clerk

RRC field 86950300 · District 02

Sugarkane (Austin Chalk)

The Sugarkane (Austin Chalk) field reported 6.7 million barrels of oil and 39 million mcf of gas in the last 12 months.

Field dossier

6,741,551bbl oil, last 12 months−21% vs prior year
Producing leases
357of 441 on record
Operators
16
Counties
5
Biggest operator
Magnolia Oil & Gas Operating LLC

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Where the field sits

fewermore

La Salle County: 1 producing leaseAtascosa County: 3 producing leasesKarnes County: 307 producing leasesDe Witt County: 21 producing leasesLive Oak County: 25 producing leasesKarnesDe WittLive Oak
5 counties
Gas, last 12 months
38,806,948 mcf
Data through
Jul 2026

Five years of output in Sugarkane (Austin Chalk)

Oil output in the Sugarkane (Austin Chalk) field fell 21% over the last 12 months

6.7M bbl through Jul 2026, against 8.5M bbl a year earlier. Peak Aug 2021: 1.6M bbl.

Oil output in the Sugarkane (Austin Chalk) field fell 21% over the last 12 months6.7M bbl through Jul 2026, against 8.5M bbl a year earlier. Peak Aug 2021: 1.6M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.6M (Aug 21)494k20222023202420252026
Oil output in the Sugarkane (Austin Chalk) field fell 21% over the last 12 months6.7M bbl through Jul 2026, against 8.5M bbl a year earlier. Peak Aug 2021: 1.6M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.6M (Aug 21)494k'22'23'24'25'26

Gas output in the Sugarkane (Austin Chalk) field fell 16% over the last 12 months

39M mcf through Jul 2026, against 46M mcf a year earlier. Peak Aug 2021: 6.3M mcf.

Gas output in the Sugarkane (Austin Chalk) field fell 16% over the last 12 months39M mcf through Jul 2026, against 46M mcf a year earlier. Peak Aug 2021: 6.3M mcf.Gas, mcf per month02.5M5M7.5MPeak 6.3M (Aug 21)3M20222023202420252026
Gas output in the Sugarkane (Austin Chalk) field fell 16% over the last 12 months39M mcf through Jul 2026, against 46M mcf a year earlier. Peak Aug 2021: 6.3M mcf.Gas, mcf per month02.5M5M7.5MPeak 6.3M (Aug 21)3M'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, field 86950300, through Jul 2026, file dated Sep 18, 2026.

Leases in the Sugarkane (Austin Chalk) field

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 357), ranked by output value.

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SourceTexas Railroad Commission Production Data Query.

Who operates here, and where

Operators, by oil

Magnolia Oil & Gas Operating leads

  1. Magnolia Oil & Gas Operating LLC52 leases1.5Mbbl
  2. EOG Resources, Inc.41 leases1.3Mbbl
  3. Devon Energy Production Co, L.P.25 leases888kbbl
  4. Marathon Oil Ef LLC135 leases785kbbl
  5. Crescent Energy Operating, LLC11 leases666kbbl
  6. BPX Operating Company21 leases429kbbl
  7. Burlington Resources O & G Co LP29 leases319kbbl
  8. Gulftex Energy, LLC6 leases202kbbl

Counties, by oil

Karnes County leads

  1. Karnes County307 leases5.7Mbbl
  2. Live Oak County25 leases667kbbl
  3. De Witt County21 leases289kbbl
  4. Atascosa County3 leases7,297bbl
  5. La Salle County1 lease4,813bbl

More operators

OperatorRepsol Oil & Gas USA, LLC10OperatorMurphy Expl. & Prod. Co. - USA12OperatorCaturus Energy, LLC4OperatorTidal Petroleum, Inc.5

Recent drilling permits in the Sugarkane (Austin Chalk) field