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Royalty Clerk

RRC operator 521544

Magnolia Oil & Gas Operating LLC

Magnolia Oil & Gas Operating LLC reported 18 million barrels of oil and 123 million mcf of gas in the last 12 months.

Operator dossier

17,554,215bbl oil, last 12 months−2% vs prior year
Producing leases
1,467of 1,950 on record
Counties
16
Biggest county
Washington County
Biggest field
Giddings (Austin Chalk-3)

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Where they work

fewermore

Zavala County: 10 producing leasesAtascosa County: 2 producing leasesWilson County: 1 producing leaseGonzales County: 17 producing leasesFayette County: 390 producing leasesMontgomery County: 3 producing leasesWashington County: 248 producing leasesKarnes County: 108 producing leasesDe Witt County: 7 producing leasesBrazos County: 71 producing leasesBurleson County: 128 producing leasesLee County: 285 producing leasesRobertson County: 15 producing leasesAustin County: 9 producing leasesGrimes County: 106 producing leasesMilam County: 67 producing leasesFayetteWashingtonKarnes
16 counties
Gas, last 12 months
123,290,051 mcf
Fields
24
Data through
Jul 2026
Leases on record
1,950

Five years of Magnolia Oil & Gas Operating LLC output

Oil output from Magnolia Oil & Gas Operating LLC held steady over the last 12 months

18M bbl through Jul 2026, against 18M bbl a year earlier. Peak Oct 2025: 1.6M bbl.

Oil output from Magnolia Oil & Gas Operating LLC held steady over the last 12 months18M bbl through Jul 2026, against 18M bbl a year earlier. Peak Oct 2025: 1.6M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.6M (Oct 25)1.3M20222023202420252026
Oil output from Magnolia Oil & Gas Operating LLC held steady over the last 12 months18M bbl through Jul 2026, against 18M bbl a year earlier. Peak Oct 2025: 1.6M bbl.Oil, bbl per month0500k1M1.5M2MPeak 1.6M (Oct 25)1.3M'22'23'24'25'26

Gas output from Magnolia Oil & Gas Operating LLC rose 3% over the last 12 months

123M mcf through Jul 2026, against 119M mcf a year earlier. Peak Oct 2025: 12M mcf.

Gas output from Magnolia Oil & Gas Operating LLC rose 3% over the last 12 months123M mcf through Jul 2026, against 119M mcf a year earlier. Peak Oct 2025: 12M mcf.Gas, mcf per month02.5M5M7.5M10M13MPeak 12M (Oct 25)9.4M20222023202420252026
Gas output from Magnolia Oil & Gas Operating LLC rose 3% over the last 12 months123M mcf through Jul 2026, against 119M mcf a year earlier. Peak Oct 2025: 12M mcf.Gas, mcf per month02.5M5M7.5M10M13MPeak 12M (Oct 25)9.4M'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, operator 521544, through Jul 2026, file dated Sep 18, 2026.

Magnolia Oil & Gas Operating LLC leases, biggest first

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 1,467), ranked by output value.

Search by lease name →

SourceTexas Railroad Commission Production Data Query.

Counties and fields where Magnolia Oil & Gas Operating LLC produces

Counties, by Magnolia Oil & Gas Operating LLC oil

Washington County leads

  1. Washington County248 leases6.8Mbbl
  2. Karnes County108 leases3.5Mbbl
  3. Fayette County390 leases3.4Mbbl
  4. Lee County285 leases2.1Mbbl
  5. Milam County67 leases660kbbl
  6. Burleson County128 leases540kbbl
  7. Zavala County10 leases259kbbl
  8. Robertson County15 leases187kbbl

Fields, by Magnolia Oil & Gas Operating LLC oil

Giddings (Austin Chalk-3) leads

  1. Giddings (Austin Chalk-3)1,192 leases · District 03 · Field 3473350013Mbbl
  2. Eagleville (Eagle Ford-2)63 leases · District 02 · Field 271357502.1Mbbl
  3. Sugarkane (Austin Chalk)52 leases · District 02 · Field 869503001.5Mbbl
  4. Giddings (Eagleford)17 leases · District 03 · Field 34733610325kbbl
  5. Briscoe Ranch (Eagleford)10 leases · District 01 · Field 12018200259kbbl
  6. Eagleville (Eagle Ford-1)15 leases · District 01 · Field 2713570094.9kbbl
  7. Giddings (Austin Chalk, Gas)31 leases · District 03 · Field 3477355065.6kbbl
  8. Giddings (Buda)31 leases · District 03 · Field 3473360060.4kbbl

8 more counties (number = producing leases)

CountyDe Witt7CountyGrimes106CountyGonzales17CountyBrazos71CountyWilson1CountyAtascosa2CountyAustin9CountyMontgomery3

Recent drilling permits for Magnolia Oil & Gas Operating LLC

Where the gas of Magnolia Oil & Gas Operating LLC went

Plants
<0.1%
Pipelines
96%
Lease fuel
3.1%
Flared or vented
0.7%

SourceTexas Railroad Commission Production Data Query, last 12 months. What the codes mean