Skip to content
Royalty Clerk

Texas oil lease

Producing

LANG

Lang is an oil lease in Zavala County, Texas, operated by Mueller Exploration, Inc. in the Pearsall (Buda, S.) field.

1 well

695bbl oil, last 12 months+23% vs prior year
RRC lease
01-17442

Is your check right?

Check my statement

Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Oil in Jul 2026
35 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 23% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 23% over the last 12 monthsMonthly oil production for LANG, Aug 2023 to Jul 2026. Oil output rose 23% over the last 12 months. 695 bbl in the 12 months through Jul 2026, against 563 bbl in the 12 months before.Last 12 months: 695 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 23% over the last 12 monthsMonthly oil production for LANG, Aug 2023 to Jul 2026. Oil output rose 23% over the last 12 months. 695 bbl in the 12 months through Jul 2026, against 563 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 2 times, most recently in Apr 2026

Operators of this lease over timeMueller Exploration, Inc., Jan 2020 to Mar 2025; Silver Anchor Resources LLC, Apr 2025 to Mar 2026; Mueller Exploration, Inc., Apr 2026 to Jul 20262020202120222023202420252026Changed Apr 2025Changed Apr 2026Mueller Exploration, Inc.Jan 2020 to Mar 2025Silver Anchor Resources LLCApr 2025 to Mar 2026Mueller Exploration, Inc.Apr 2026 to now
Operators of this lease over timeMueller Exploration, Inc., Jan 2020 to Mar 2025; Silver Anchor Resources LLC, Apr 2025 to Mar 2026; Mueller Exploration, Inc., Apr 2026 to Jul 20262020202120222023202420252026Changed Apr 2025Changed Apr 2026Mueller Exploration, Inc.Jan 2020 to Mar 2025Silver Anchor Resources LLCApr 2025 to Mar 2026Mueller Exploration, Inc.Apr 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on LANG
API numberWell no.Status
42-507-328751HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers50Apr 1, 2026–
Shell Trading (Us) CompanyOilGathers50Apr 1, 2026–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2025Apr 1, 2026
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2025Apr 1, 2026
Eastex Crude Company, LLCOilGathers70Apr 1, 2025Apr 1, 2026
Shell Trading (Us) CompanyOilGathers30Apr 1, 2025Apr 1, 2026
Eastex Crude CompanyOilGathers50Apr 1, 2016Apr 1, 2025
Shell Trading (Us) CompanyOilGathers50Apr 1, 2016Apr 1, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

638.43 acres on the newest permit

Permits for Lang
API numberWell no.Acreson the permit
42-507-328751H638.43

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for LANG
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Mueller Exploration,350$80.46$2.89
Jun 2026Mueller Exploration,75160$84.81$3.15
May 2026Mueller Exploration,00$102.13$2.94
Apr 2026Mueller Exploration,30$100.32$2.77
Mar 2026Silver Anchor137155$91.38$3.04
Feb 2026Silver Anchor172319$64.51$3.62
Jan 2026Silver Anchor1130$60.04$7.72
Dec 2025Silver Anchor00$57.97$4.26
Nov 2025Silver Anchor160158$60.06$3.79
Oct 2025Silver Anchor00$60.89$3.19
Sep 2025Silver Anchor00$63.96$2.97
Aug 2025Silver Anchor00$64.86$2.91
Jul 2025Silver Anchor00$68.39$3.20
Jun 2025Silver Anchor00$68.17$3.02
May 2025Silver Anchor00$62.17$3.12
Apr 2025Silver Anchor00$63.54$3.42
Mar 2025Mueller Exploration,00$68.24$4.12
Feb 2025Mueller Exploration,970$71.53$4.19
Jan 2025Mueller Exploration,55149$75.74$4.13
Dec 2024Mueller Exploration,1170$70.12$3.01
Nov 2024Mueller Exploration,50163$69.95$2.12
Oct 2024Mueller Exploration,780$71.99$2.20
Sep 2024Mueller Exploration,76154$70.24$2.28
Aug 2024Mueller Exploration,900$76.68$1.99
Jul 2024Mueller Exploration,137167$81.80$2.07
Jun 2024Mueller Exploration,92156$79.77$2.54
May 2024Mueller Exploration,1320$80.02$2.12
Apr 2024Mueller Exploration,78158$85.35$1.60
Mar 2024Mueller Exploration,102160$81.28$1.49
Feb 2024Mueller Exploration,730$77.25$1.72
Jan 2024Mueller Exploration,230$74.15$3.18
Dec 2023Mueller Exploration,340$71.90$2.52
Nov 2023Mueller Exploration,44158$77.69$2.71
Oct 2023Mueller Exploration,240$85.64$2.98
Sep 2023Mueller Exploration,870$89.43$2.64
Aug 2023Mueller Exploration,42164$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

How to check your stub against this lease

Do your checks match this lease?

Nearby

Mueller Exploration, Inc. in Zavala County

No other producing leases from this operator in this county are in our data yet.

Pearsall (Buda, S.) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km