Skip to content
Royalty Clerk

Texas oil lease

Producing

LLM UNIT ZAV

LLM Unit Zav is an oil lease in Zavala County, Texas, operated by Exco Operating Company, LP in the Briscoe Ranch (Eagleford) field.

1 well

5,748bbl oil, last 12 months−18% vs prior year
Operator
Exco Operating Company, LP
County
Zavala County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-17477

Is your check right?

Check my statement

Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
14,238 mcf
Oil in Jul 2026
224 bbl

Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for LLM UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 5,748 bbl in the 12 months through Jul 2026, against 6,992 bbl in the 12 months before.Last 12 months: 5,748 bblbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for LLM UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 5,748 bbl in the 12 months through Jul 2026, against 6,992 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2025 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 55.7% of the gas in Jan 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Apr 2025 the lease's gas goes to a transmission line instead of lease fuelShare of LLM UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 55.7% of the gas in Jan 2025.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2025: fuel to lineFlared 55.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2025 the lease's gas goes to a transmission line instead of lease fuelShare of LLM UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 55.7% of the gas in Jan 2025.Share of gas by disposition code0%50%100%Apr 25: fuel to lineFlared 55.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    72% · 10,202 mcf

  • Lease fuel (1)

    25% · 3,614 mcf

  • Flared (4)

    3.0% · 422 mcf

3.0% of the gas flared in the last 12 months. 6 months above 3%.

1 well on this lease

Wells on LLM UNIT ZAV
API numberWell no.Status
42-507-33001B 2HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers100Jan 1, 2023–
Raider Marketing, LPCasinghead gasBuys100Jan 1, 2017–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Eastex Crude CompanyOilGathers50Apr 27, 2018Jan 1, 2023
Flint Hills Resources, LPOilGathers50Apr 27, 2018Jan 1, 2023

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

Who buys my oilOil price check

6,670.67 acres on the newest permit

Permits for LLM Unit Zav
API numberWell no.Acreson the permit
42-507-33001B 2H6,670.67

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for LLM UNIT ZAV
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262241636475160$80.46$2.89
Jun 20264894571,390752323$84.81$3.15
May 20265616281,4841,1580$102.13$2.94
Apr 20264864811,30194541$100.32$2.77
Mar 20264784711,1398130$91.38$3.04
Feb 20265214699246300$64.51$3.62
Jan 20264995981,1017960$60.04$7.72
Dec 20254874471,1658450$57.97$4.26
Nov 20254764641,1898740$60.06$3.79
Oct 20254884531,3291,0030$60.89$3.19
Sep 20255144821,23185858$63.96$2.97
Aug 20255256471,3381,0120$64.86$2.91
Jul 20255784381,3461,0200$68.39$3.20
Jun 20255596311,2969910$68.17$3.02
May 20254204861,3481,0220$62.17$3.12
Apr 20254934721,4781,15112$63.54$3.42
Mar 20254854735432170$68.24$4.12
Feb 202555747229400$71.53$4.19
Jan 20256306371,384287771$75.74$4.13
Dec 20246216421,6751,3490$70.12$3.01
Nov 20246126261,6981,3830$69.95$2.12
Oct 20246997951,6131,2870$71.99$2.20
Sep 20246306391,2969980$70.24$2.28
Aug 20247086361,437783328$76.68$1.99
Jul 20246466391,628852450$81.80$2.07
Jun 20246658351,4461,1310$79.77$2.54
May 20246934831,3691,0430$80.02$2.12
Apr 20247198241,4791,14717$85.35$1.60
Mar 20248948011,5271,2010$81.28$1.49
Feb 20248431,3181,3361,0420$77.25$1.72
Jan 20241,0171,1241,4271,1010$74.15$3.18
Dec 20231,0127931,4321,1060$71.90$2.52
Nov 20237906401,4011,0860$77.69$2.71
Oct 20238991,2718016120$85.64$2.98
Sep 202321306300$89.43$2.64
Aug 20232028400$81.39$2.58

Flared above 3%

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?

Check my statement

Nearby

This lease belongs to

OperatorExco Operating Company, LPFieldBriscoe Ranch (Eagleford)CountyZavala County

Exco Operating Company, LP in Zavala County

All Exco Operating Company, LP leases →

Briscoe Ranch (Eagleford) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km